US3879297A - Liquid fire extinguishing composition - Google Patents

Liquid fire extinguishing composition Download PDF

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US3879297A
US3879297A US295979A US29597972A US3879297A US 3879297 A US3879297 A US 3879297A US 295979 A US295979 A US 295979A US 29597972 A US29597972 A US 29597972A US 3879297 A US3879297 A US 3879297A
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weight
fire
composition
aliphatic hydrocarbon
extinguishing
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Philippe Languille
Jean-Claude Vitat
Antony Roland Guillemont
Jean-Pierre Remond
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Rhone Progil SA
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A62D1/0028—Liquid extinguishing substances
    • A62D1/0057—Polyhaloalkanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/02—Halogenated hydrocarbons

Definitions

  • ABSTRACT Liquid fire extinguishing composition formulated to contain 50% to 99.9% by weight of one or more fire extinguishing halogenated aliphatic hydrocarbons and 0.1% to 20% by weight of one or more polysiloxanes which may or may not include a solvent for the polysiloxane and a pressurizing agent.
  • the invention provides a liquid fire-extinguishing composition comprising from 50% to 99.9% by weight of one or more fire-extinguishing halogenated aliphatic hydrocarbons and from 0.1% to 20% by weight of one or more polysiloxanes.
  • Compositions in accordance with the invention have better penetration and can be projected from greater distances than known fire-extinguishing compositions. especially when they are used to fight various types of fires. referred to as dry fires. greasy fires and/or gas fires. Moreover. their fire-extinguishing properties are as good as or even better than those of known firecxtinguishing compositions.
  • the fire-extinguishing halogenated aliphatic hydrocarbon is preferably a fluoro-halogenated aliphatic hydrocarbon. especially a C chlorofluorinated. bromofluorinated or bromochlorofluorinated aliphatic hydrocarbon. such as a chlorofluorinated. bromofluorinated or bromochlorofluorinated methane. e.g.. trichlorofluoromethane. bromochlorodifluloromethane or bromotrifluoromethane. or I. l .2trichloro-l .2.2- trifluoroethane.
  • a non-fluorinated halogenated aliphatic hydrocarbon such as ethyl bromide. chlorobromomethane or bromoform.
  • polysiloxanes that may be used in the compositions of the invention are straight-chain polysiloxanes having the formula:
  • R,. R and R is a C alkyl. C or C aryl. C aralkyl or C alkaryl radical optionally substituted by one or more halogen atoms.
  • X is a halogen atom.
  • y is 0 or an integer from I to 3. and.
  • n is 0 or an integer from I to 7.000.
  • the composition In order to facilitate the dissolution of the polysiloxane(s) in the composition. in the case where the polysiloxane is insoluble or only slightly soluble in the fireextinguishing halogenated aliphatic hydrocarbon(s). from 0 to 49.9% by weight of one or more solvents for the polysiloxanes and/or a pressurizing agent can be included in the composition.
  • the solvent and pressurizing agent may or may not have fire-extinguishing properties.
  • solvents that may be used are C halogenated aliphatic hydrocarbons other than C. fire-extinguishing halogenated aliphatic hydrocarbons. e.g. methylene chloride. chlorodifluoromethane'. 'dichlorofluoromethane. dichlorodifluoromethane. carbon tetrachloride. dichloroethane. trichloroethylene and perchloroethylene: C aliphatic hydrocarbons such as iso-octane; C aromatic hydrocarbons. such as benzene. toluene and solvent naphtha; terpene hydrocarbons.
  • C cycloaliphatic hydrocarbons such as cyclohexane and cyclodecane
  • C carbonyl compounds such as acetone and methylethylketone
  • C- aliphatic acid esters such as amyl acetate
  • C ethers such as methyl ether and ethyl ether
  • C hydroxyl compounds such as ethanol. isopropanol. butanol. and heptadecanol
  • cyclic ethers such as dioxane.
  • the amount of such solvent or pressurizing agent in the composition should not exceed a low percent. for example 4%. by weight of the composition.
  • a preferred composition in accordance with the invention comprises from 80% to 99.5% by weight of the fire-extinguishing halogenated aliphatic hydrocarbon(s). from 0.5% to 5% by weight of the polysiloxane(s) and from 0 to 19.5% by weight of the said solvent or pressurizing agent.
  • Liquid fire-extinguishing compositions embodying the features of this invention can be used in mobile. portable or easily carried devices, and in fixed firefighting devices. particularly automatic installations for fighting burning liquids or combustible gases. They can be projected under pressure by means of a gas (e.g.. nitrogen. carbon dioxide. dichlorofluoromethane) which is compressed. liquefied or dissolved under pressure in per se known manner or by any mechanical system for producing a pressure (e.g.. a pump or compressor).
  • a gas e.g. nitrogen. carbon dioxide. dichlorofluoromethane
  • EXAMPLE 1 3 I 3 3 cH3 ⁇ o si o si cr1 CHB/ CH3 n CH3 4 in which "corresponds to a substance with a viscosity of 50 Csk at 25C. was then projected onto the seat of the fire through a diffuser having a diameter of 26 mm. under a pressure of 10 bars.
  • the flames were extinguished after 10 seconds when the liquid mixture was projected from a distance of 30 meters from the seat of the fire and the initial ambient temperature was 30C.
  • Example 2 The procedure described in Example 1 was carried out with the exception that the liquid mixture comprised 98% by weight of bromochlorodifluoromethane and 2% by weight ofa polysiloxane having the formula:
  • n has a value of about 6000.
  • the fire was extinguished in 8 seconds when the liquid mixture was projected from a distance of 35 meters from the seat of the fire.
  • Example 3 The procedure described in Example 1 was carried out with the exception that the liquid mixture comprised 88% by weight of bromochlorodifluoromethane. 10% by weight of trichlorofluoromethane and 2% by weight of polysiloxane as usedin Example 2.
  • the fire was extinguished in 8 seconds when the liquid mixture was projected from a distance of 38 meters from the seat of the fire.
  • Example 4 The procedure described in Example 1 was carried out with the exception that the liquid mixture comprised 98% by weight of bromochlorodifluoromethane and 2% by weight of a mixture of polydimethylcyclopolysiloxanes having the formula:
  • uid mixture was projected from a distance of 30 meters from the seat of the fire.
  • R.. R and R is selected from the group consisting of a C alkyl. C.,- or cut aryl. C aralkyl and C alkaryl radical unsubstituted or substituted by one or more halogen atoms.
  • X is a halogen atom.
  • y is O or an integer from l to 3. and n is or an integer from 1 to 7000.
  • Example II The procedure described in Example I was carried out with the exception that the liquid mixture comprised 80% by weight of bromochlorodifluoromethane. 18% by weight of trichlorofluoromethane and 2% by weight of polysiloxane as used in Example 2.
  • a C aliphatic hydrocarbon a C aromatic hydroone fire extinguishing halogenated aliphatic hydrocarcarbon. a complex mixture of hydrocarbons.
  • a C cybon selected from the group consisting of fluorohalogecloaliphatic hydrocarbon. a C carbonyl compound. a nated C1-C5 aliphatic hydrocarbon. ethyl bromide. 25 C- aliphatic acid ester. a C ether. a C hydroxyl chlorobromomethane and bromoform. from 0.5% to compound. and a cyclic ether.
  • a composition as claimed in claim 1 in which the by weight ofa polysiloxane solvent. and 0 to 49.9% by fire-extinguishing halogenated aliphatic hydrocarbon is weight ofa pressurizing agent. and in which the amount a C hl fl i te bromofluorinated or bromoof polysiloxane solvent and/or pressurizing agent does hl fl i t d li i h d b not exceed 4% y weight of the fire extinguishing 6.
  • each R is a hydrogen atom or a group having a flame comprising projecting from a container onto the formula the fire a liquid composition of claim 1.

Abstract

Liquid fire extinguishing composition formulated to contain 50% to 99.9% by weight of one or more fire extinguishing halogenated aliphatic hydrocarbons and 0.1% to 20% by weight of one or more polysiloxanes which may or may not include a solvent for the polysiloxane and a pressurizing agent.

Description

United States Patent [191 Languille et al.
[451 Apr. 22, 1975 LIQUID FIRE EXTINGUlSl-IING COMPOSITION [75] Inventors: Philippe Languille, Courbevoie;
Jean-Claude Vitat; Antony Roland Guillemont, both of Bourg-la-Reine; Jean-Pierre Remond, Massy-Villaine, all of France [73] Assignee: Rhone-Progil, Paris, France [22] Filed: Oct. 10, 1972 [21] Appl. No.: 295,979
[56] References Cited UNITED STATES PATENTS 3,480,545 11/1969 Dale 252/8 X 3,481,899 12/1969 Marwitz et a1. 260/3385 B X 3,522,202 7/1970 Wada et al. 260/3385 B X 3,575,916 4/1971 Bockstie 260/3385 B X Primary ExaminerLeland A. Sebastian [57] ABSTRACT Liquid fire extinguishing composition formulated to contain 50% to 99.9% by weight of one or more fire extinguishing halogenated aliphatic hydrocarbons and 0.1% to 20% by weight of one or more polysiloxanes which may or may not include a solvent for the polysiloxane and a pressurizing agent.
8 Claims, No Drawings LIQUID FIRE EXTINGUISHING COMPOSITION This invention relates to liquid fire extinguishing compositions based on halogenated aliphatic hydrocarbons.
Because of their high fire-extinguishing capacity. various halogenated derivatives ofC aliphatic hydrocarbons have been used to extinguish fires. especially of liquid hydrocarbons or flameless fires. such as those caused by defective electrical installations. However. irrespective of the conditions under which they are used. the distance from which these fire extinguishing agents can be employed for extinguishing a fire is liniited.
It has been proposed that the volatility of fireextinguishing halogenated aliphatic hydrocarbons might be reduced by adding to the composition high boiling point liquid or solid chlorinated hydrocarbons such as hexachloroethane. perchloronaphthalene. hexachlorobenzene and perchlorotriphenylbenzene. However. such chlorinated hydrocarbons usually have only a low solubility in the fire-extinguishing halogenated aliphatic hydrocarbons used as fire-extinguishing agents. In order to increase the solubility of such chlorinated hydrocarbons in the fire-extinguishing compositions. it has been proposed to include a solvent. such as trichloroethylene. in the compositions. However. such solvents have little if any fire-extinguishing action and therefore their inclusion in the compositions causes a dilution of the efficiency of the fire-extinguishing compositions.
It has also been proposed that from 0.5% to I07( by weight alkyl ethers of cellulose might be added to the fire-extinguishing agents. However. since cellulose alkyl ethers are almost insoluble in halogenated hydrocarbons. the cellulose alkyl ethers must be suspended in the halogenated hydrocarbons and. consequently. such ethers do not satisfactorily reduce vaporization of the extinguishing agents.
It is an object of this invention to remedy the above mentioned disadvantages by providing a fireextinguishing composition that has a much greater capacity for penetrating into the seat of a fire and can therefore be used to combat a fire from a considerably greater distance than known fire extinguishing compositions.
The invention provides a liquid fire-extinguishing composition comprising from 50% to 99.9% by weight of one or more fire-extinguishing halogenated aliphatic hydrocarbons and from 0.1% to 20% by weight of one or more polysiloxanes. I
Compositions in accordance with the invention have better penetration and can be projected from greater distances than known fire-extinguishing compositions. especially when they are used to fight various types of fires. referred to as dry fires. greasy fires and/or gas fires. Moreover. their fire-extinguishing properties are as good as or even better than those of known firecxtinguishing compositions.
The fire-extinguishing halogenated aliphatic hydrocarbon is preferably a fluoro-halogenated aliphatic hydrocarbon. especially a C chlorofluorinated. bromofluorinated or bromochlorofluorinated aliphatic hydrocarbon. such as a chlorofluorinated. bromofluorinated or bromochlorofluorinated methane. e.g.. trichlorofluoromethane. bromochlorodifluloromethane or bromotrifluoromethane. or I. l .2trichloro-l .2.2- trifluoroethane. l .Z-dibromol l .2.2- tetrafluoroethane. l.2-dibromohexafluoropropane or 3-bromo-l.l.l-trifluoropropane. However. it is also possible to use a non-fluorinated halogenated aliphatic hydrocarbon such as ethyl bromide. chlorobromomethane or bromoform.
Examples of polysiloxanes that may be used in the compositions of the invention are straight-chain polysiloxanes having the formula:
1: fay -y) R-O si o I on x in which each R is a hydrogen atom or a group of the formula R sis- 11;
in which R,. R and R is a C alkyl. C or C aryl. C aralkyl or C alkaryl radical optionally substituted by one or more halogen atoms. X is a halogen atom. y is 0 or an integer from I to 3. and. n is 0 or an integer from I to 7.000. and cyclic polysiloxanes of the formula i si 0 /Sl\ O .i/ X y) m 'Y B-y) CHY X (3 y) in which X and y are as defined above and m is or an integer from 1 to 20.
In order to facilitate the dissolution of the polysiloxane(s) in the composition. in the case where the polysiloxane is insoluble or only slightly soluble in the fireextinguishing halogenated aliphatic hydrocarbon(s). from 0 to 49.9% by weight of one or more solvents for the polysiloxanes and/or a pressurizing agent can be included in the composition.
The solvent and pressurizing agent may or may not have fire-extinguishing properties. Examples of solvents that may be used are C halogenated aliphatic hydrocarbons other than C. fire-extinguishing halogenated aliphatic hydrocarbons. e.g. methylene chloride. chlorodifluoromethane'. 'dichlorofluoromethane. dichlorodifluoromethane. carbon tetrachloride. dichloroethane. trichloroethylene and perchloroethylene: C aliphatic hydrocarbons such as iso-octane; C aromatic hydrocarbons. such as benzene. toluene and solvent naphtha; terpene hydrocarbons. such as oil or terpentine; complex mixtures of hydrocarbons. such as oil gas. kerosene and Stoddard solvent: C cycloaliphatic hydrocarbons such as cyclohexane and cyclodecane; C carbonyl compounds. such as acetone and methylethylketone; C- aliphatic acid esters. such as amyl acetate; C ethers. such as methyl ether and ethyl ether; C hydroxyl compounds. such as ethanol. isopropanol. butanol. and heptadecanol; and cyclic ethers. such as dioxane.
When the composition includes an inflammable solvent or pressurizing agent. the amount of such solvent or pressurizing agent in the composition should not exceed a low percent. for example 4%. by weight of the composition.
A preferred composition in accordance with the invention comprises from 80% to 99.5% by weight of the fire-extinguishing halogenated aliphatic hydrocarbon(s). from 0.5% to 5% by weight of the polysiloxane(s) and from 0 to 19.5% by weight of the said solvent or pressurizing agent.
Liquid fire-extinguishing compositions embodying the features of this invention can be used in mobile. portable or easily carried devices, and in fixed firefighting devices. particularly automatic installations for fighting burning liquids or combustible gases. They can be projected under pressure by means ofa gas (e.g.. nitrogen. carbon dioxide. dichlorofluoromethane) which is compressed. liquefied or dissolved under pressure in per se known manner or by any mechanical system for producing a pressure (e.g.. a pump or compressor).
The following examples are given to illustrate the invention:
EXAMPLE 1 3 I 3 3 cH3\ o si o si cr1 CHB/ CH3 n CH3 4 in which "corresponds to a substance with a viscosity of 50 Csk at 25C. was then projected onto the seat of the fire through a diffuser having a diameter of 26 mm. under a pressure of 10 bars.
The flames were extinguished after 10 seconds when the liquid mixture was projected from a distance of 30 meters from the seat of the fire and the initial ambient temperature was 30C.
By way of comparison. the procedure described above was carried out with the exception that the liquid mixture did not contain any polysiloxane. The flames were extinguished after 10 seconds when the liquid mixture was projected from a distance of 20 meters from the seat of the fir'e.
' EXAMPLE 2 The procedure described in Example 1 was carried out with the exception that the liquid mixture comprised 98% by weight of bromochlorodifluoromethane and 2% by weight ofa polysiloxane having the formula:
HO iin which n has a value of about 6000.
The fire was extinguished in 8 seconds when the liquid mixture was projected from a distance of 35 meters from the seat of the fire.
EXAMPLE 3 The procedure described in Example 1 was carried out with the exception that the liquid mixture comprised 88% by weight of bromochlorodifluoromethane. 10% by weight of trichlorofluoromethane and 2% by weight of polysiloxane as usedin Example 2.
The fire was extinguished in 8 seconds when the liquid mixture was projected from a distance of 38 meters from the seat of the fire.
EXAMPLE 4 The procedure described in Example 1 was carried out with the exception that the liquid mixture comprised 98% by weight of bromochlorodifluoromethane and 2% by weight of a mixture of polydimethylcyclopolysiloxanes having the formula:
uid mixture was projected from a distance of 30 meters from the seat of the fire.
EXAMPLE 5 in which R.. R and R is selected from the group consisting of a C alkyl. C.,- or cut aryl. C aralkyl and C alkaryl radical unsubstituted or substituted by one or more halogen atoms. X is a halogen atom. y is O or an integer from l to 3. and n is or an integer from 1 to 7000.
The procedure described in Example I was carried out with the exception that the liquid mixture comprised 80% by weight of bromochlorodifluoromethane. 18% by weight of trichlorofluoromethane and 2% by weight of polysiloxane as used in Example 2.
The fire was extinguished in 12 seconds when the liq- 3. A composition as claimed in claim 1 in which the uid mixture was projected from a distance of 40 meters polysiloxane is cyclic and is represented by the forfrom the seat of the fire. mula:
y o-y) y o-w 0 Y 3 Y) "y X 1 0 In y -y) y o-y) It will be understood that changes may be made in 25 in which X is a halogen atom. y is 0 or an integer of the details of formulation and operation without defrom 1 to 3 and m is O or an integer of from I to 20. parting from the spirit of the invention. especially as 4. A composition as claimed in claim 1 in which the defined in the following claims. solvent is selected from the group consisting of a C We claim: w halogenated aliphatic hydrocarbon (other than a C 1. A liquid fire extinguishing composition consisting fire-extinguishing halogenated aliphatic hydrocarbon). essentially of from 50% to 99.5% by weight of at least a C aliphatic hydrocarbon. a C aromatic hydroone fire extinguishing halogenated aliphatic hydrocarcarbon. a complex mixture of hydrocarbons. a C cybon selected from the group consisting of fluorohalogecloaliphatic hydrocarbon. a C carbonyl compound. a nated C1-C5 aliphatic hydrocarbon. ethyl bromide. 25 C- aliphatic acid ester. a C ether. a C hydroxyl chlorobromomethane and bromoform. from 0.5% to compound. and a cyclic ether.
% by weight of at least one polysiloxane. 0 to 49.9% 5. A composition as claimed in claim 1 in which the by weight ofa polysiloxane solvent. and 0 to 49.9% by fire-extinguishing halogenated aliphatic hydrocarbon is weight ofa pressurizing agent. and in which the amount a C hl fl i te bromofluorinated or bromoof polysiloxane solvent and/or pressurizing agent does hl fl i t d li i h d b not exceed 4% y weight of the fire extinguishing 6. A composition as claimed in claim 5. in which the Position when the polysiloxdnc solvent and pressurizing fire-extinguishing halogenated aliphatic hydrocarbon is agent are inflammablea chlorofluorinated. bromofluorinated or bromo- 2. A composition as claimed in claim 1 in which the chlomfluorinated methana polysiloxane is straight chained and is represented by 7. A Composition as claimed in claim 1 in which the the formula: fire-extinguishing halogenated aliphatic hydrocarbon is selected from the group consisting of trichlorofluy (3 y) oromethane. l.l.Z-trichloro-l.2.2-trifluoroethane.bro-
motrifluoromethane. bromochlorodifluoromethane.
R o o R l.2-dibromo-l.l.2.2-tetrafluoroethane.
' X n l.Z-dibromohexafluoropropane or 3-bromo-l.l.l- Y Y) trifluoropropane.
8. A method of extinguishing a fire with or without in which each R is a hydrogen atom or a group having a flame comprising projecting from a container onto the formula the fire a liquid composition of claim 1.
R3 a: l

Claims (8)

1. A LIQUID FIRE EXTINGUISHING COMPOSITION CONSISTING ESSENTIALLY OF FROM 50% TO 99.5% BY WEIGHT OF AT LEAST ONE FIRE EXTINGUISHING HALOGENATED ALIPHATIC HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF FLUOROHALOGENATED C1-C5 ALIPHATIC HYDROCARBON, ETHYL BROMIDE, CHLOROBROMOMETHANE AND BROMOFORM, FROM 0.5% TO 20% BY WEIGHT OF AT LEAST ONE POLYSILIXSNE, 0 TO 49.9% BY WEIGHT OF A POLYSILOXANE SOLVENT, AND 0 TO 49.9% BY WEIGHT OF A PRESSURIZING AGENT, AND IN WHICH THE AMOUNT OF POLYSILOXANE SOLVENT AND/OR PRESSURIZING AGENT DOES NOT EXCEED 4% BY WEIGHT OF THE FIRE EXTINGUISHING COMPOSITION WHEN THE POLYSILOXANE SOLVENT AND PRESSURIZING AGENT ARE INFLAMMABLE.
1. A liquid fire extinguishing composition consisting essentially of from 50% to 99.5% by weight of at least one fire extinguishing halogenated aliphatic hydrocarbon selected from the group consisting of fluorohalogenated C1-C5 aliphatic hydrocarbon, ethyl bromide, chlorobromomethane and bromoform, from 0.5% to 20% by weight of at least one polysiloxane, 0 to 49.9% by weight of a polysiloxane solvent, and 0 to 49.9% by weight of a pressurizing agent, and in which the amount of polysiloxane solvent and/or pressurizing agent does not exceed 4% by weight of the fire extinguishing composition when the polysiloxane solvent and pressurizing agent are inflammable.
2. A composition as claimed in claim 1 in which the polysiloxane is straight chained and is Represented by the formula:
3. A composition as claimed in claim 1 in which the polysiloxane is cyclic and is represented by the formula:
4. A composition as claimed in claim 1 in which the solvent is selected from the group consisting of a C1-3 halogenated aliphatic hydrocarbon (other than a C1-3 fire-extinguishing halogenated aliphatic hydrocarbon), a C2-12 aliphatic hydrocarbon, a C6-10 aromatic hydrocarbon, a complex mixture of hydrocarbons, a C6-10 cycloaliphatic hydrocarbon, a C3-7 carbonyl compound, a C2-5 aliphatic acid ester, a C2-6 ether, a C2-18 hydroxyl compound, and a cyclic ether.
5. A composition as claimed in claim 1 in which the fire-extinguishing halogenated aliphatic hydrocarbon is a C1-5 chlorofluorinated, bromofluorinated or bromochlorofluorinated aliphatic hydrocarbon.
6. A composition as claimed in claim 5, in which the fire-extinguishing halogenated aliphatic hydrocarbon is a chlorofluorinated, bromofluorinated or bromochlorofluorinated methane.
7. A composition as claimed in claim 1 in which the fire-extinguishing halogenated aliphatic hydrocarbon is selected from the group consisting of trichlorofluoromethane, 1,1,2-trichloro-1,2,2-trifluoroethane, bromotrifluoromethane, bromochlorodifluoromethane, 1,2-dibromo-1,1,2,2-tetrafluoroethane, 1,2-dibromohexafluoropropane or 3-bromo-1,1,1-trifluoropropane.
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US5925611A (en) * 1995-01-20 1999-07-20 Minnesota Mining And Manufacturing Company Cleaning process and composition
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US6506459B2 (en) 1995-01-20 2003-01-14 3M Innovative Properties Company Coating compositions containing alkoxy substituted perfluoro compounds
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RU2523468C1 (en) * 2013-02-13 2014-07-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ивановский государственный химико-технологический университет" Method of obtaining fire-extinguishing powder composition

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US4722766A (en) * 1984-09-11 1988-02-02 Graviner Limited Extinguishing of fires and explosions
US4826610A (en) * 1986-01-15 1989-05-02 Tag Investments, Inc. Fire extinguishant
US5140216A (en) * 1988-05-27 1992-08-18 Darr David W Explosion proof lamp with liquid extinguishant
US4954271A (en) * 1988-10-06 1990-09-04 Tag Investments, Inc. Non-toxic fire extinguishant
US5135054A (en) * 1990-10-05 1992-08-04 University Of New Mexico Fire extinguishing agents for flooding applications
US5534164A (en) * 1992-03-10 1996-07-09 Guglielmi; Elio Non-toxic, environmentally benign fire extinguishants
US5716549A (en) * 1993-03-05 1998-02-10 Ikon Corporation Fluoroiodocarbon blends as CFC and halon replacements
US5562861A (en) * 1993-03-05 1996-10-08 Ikon Corporation Fluoroiodocarbon blends as CFC and halon replacements
US7083742B1 (en) 1993-03-05 2006-08-01 Jsn Family Limited Partnership #3 Fluoroiodocarbon blends as CFC and halon replacements
US5605647A (en) * 1993-03-05 1997-02-25 Ikon Corporation Fluoroiodocarbon blends as CFC and halon replacements
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US5685915A (en) * 1993-03-05 1997-11-11 Ikon Corporation Fluoroiodocarbon blends as CFC and halon replacements
US5695688A (en) * 1993-03-05 1997-12-09 Ikon Corporation Fluoroiodocarbon blends as CFC and halon replacements
US5444102A (en) * 1993-03-05 1995-08-22 Ikon Corporation Fluoroiodocarbon blends as CFC and halon replacements
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US5801136A (en) * 1994-08-19 1998-09-01 Advanced Chemical Design, Inc. Stabilized solvents and method for cleaning metallic, electrical and plastic substrates utilizing environmentally safe solvent materials
US5919393A (en) * 1995-01-20 1999-07-06 Minnesota Mining And Manufacturing Company Fire extinguishing process and composition
US6380149B2 (en) 1995-01-20 2002-04-30 3M Innovative Properties Company Cleaning process and composition
US5718293A (en) * 1995-01-20 1998-02-17 Minnesota Mining And Manufacturing Company Fire extinguishing process and composition
US5925611A (en) * 1995-01-20 1999-07-20 Minnesota Mining And Manufacturing Company Cleaning process and composition
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US6291417B1 (en) 1995-01-20 2001-09-18 3M Innovative Properties Company Cleaning process
US6734154B2 (en) 1995-01-20 2004-05-11 3M Innovative Properties Company Cleaning process and composition using fluorocompounds
US6608019B1 (en) 1995-01-20 2003-08-19 3M Innovative Properties Company Alkoxy-substituted perfluorocompounds
US6506459B2 (en) 1995-01-20 2003-01-14 3M Innovative Properties Company Coating compositions containing alkoxy substituted perfluoro compounds
US6509309B2 (en) 1995-01-20 2003-01-21 3M Innovative Properties Company Cleaning composition comprising alkoxy substituted perfluoro compounds
US6548471B2 (en) 1995-01-20 2003-04-15 3M Innovative Properties Company Alkoxy-substituted perfluorocompounds
US5759985A (en) * 1995-07-21 1998-06-02 Advanced Chemical Design, Inc. Compositions for the stabilization of bromochloromethane
WO1997004070A1 (en) * 1995-07-21 1997-02-06 Advanced Chemical Design, Inc. Improved methods for the stabilization of bromochloromethane
US6376452B1 (en) 1995-12-15 2002-04-23 3M Innovative Properties Company Cleaning process and composition using fluorocarbons
RU2456045C2 (en) * 2010-10-05 2012-07-20 Государственное образовательное учреждение высшего профессионального образования "Ивановский государственный химико-технологический университет" Method for obtaining extinguishing powder composition
RU2523468C1 (en) * 2013-02-13 2014-07-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ивановский государственный химико-технологический университет" Method of obtaining fire-extinguishing powder composition

Also Published As

Publication number Publication date
FR2155121A5 (en) 1973-05-18
CA985031A (en) 1976-03-09
DE2248920A1 (en) 1973-04-12
BE789667A (en) 1973-04-04
NL167600B (en) 1981-08-17
IT966241B (en) 1974-02-11
NL7213405A (en) 1973-04-10
DE2248920B2 (en) 1976-04-15
GB1370381A (en) 1974-10-16
NL167600C (en) 1982-01-18

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