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Class 252/8 - Volatile or gas charged liquids containing


Subclass of Class 252 - Compositions
Definition: Compositions which contain volatile noninflammable liquids
No. of patents: 114
Last issue date: 12/23/2008


1      
NumberTitleIssue Date
7468142Solvent compositions
Composition comprising at least one hydrofluoroalkane and at least one fluoropolyether. ...
12/23/2008
7413674Azeotrope-like trifluoroiodomethane compositions
Provided are azeotrope-like compositions comprising difluoroethane and trifluoroiodomethane, azeotrope-like compositions comprising difluoroethane, tetrafluoropropene and trifluoroiodomethane, and uses thereof, including use in refrigerant compositions, refrigeratio...
08/19/2008
7343981Methods using fluoroketones for: extinguishing fire; preventing fire, and reducing or eliminating the flammability of a flammable working fluid
The present invention relates to methods of using at least one fluoroketone selected from monobromoperfluoroketones, monohydromonobromoperfluoroketones, (perfluoroalkoxy)monobromoperfluoroketones, (fluoroalkoxy)monobromoperfluoroketones, and monochloromonobromoperfl...
03/18/2008
7299653Refrigerator system using non-azeotropic refrigerant, and non-azeotropic refrigerant for very low temperature used for the system
A single-stage refrigerating system includes a compressor, a condenser, an evaporator, and a heat exchanger for exchanging heat between a refrigerant in a path from the evaporator to the compressor and a refrigerant in another path from the condenser to the evaporat...
11/27/2007
7276640Metal oxide nanoparticles for smoke clearing and fire suppression
Methods of reducing smoke levels in smoke-affected areas, reducing the level of toxic compounds produced by fires, fire suppression, and increasing flame retardancy. In particular, methods according to the present invention comprise dispersing nanocrystalline partic...
10/02/2007
7223351Fire extinguishing mixtures, methods and systems
Fire extinguishing mixtures, systems and methods are provided. The fire extinguishing mixtures can include one or more extinguishing compounds, such as, for example, one or more of fluorocarbons, fluoroethers, and fluorocarbons. The fire extinguishing mixtures can a...
05/29/2007
7216722Fire extinguishing mixtures, methods and systems
Fire extinguishing mixtures, systems and methods are provided. The fire extinguishing mixtures can include one or more extinguishing compounds, such as, for example, one or more of fluorocarbons, fluoroethers, and fluorocarbons. The fire extinguishing mixtures can a...
05/15/2007
7182881Fire extinguishing agent and fire extinguisher
A fire extinguishing agent contains at least one compound selected from the group consisting of an alkali hydrogencarbonate and an alkali carbonate, the alkali hydrogencarbonate being thermally decomposed to generate carbon dioxide and an alkali carbonate, a metal o...
02/27/2007
7172709Use of fluorine-free fire fighting agents
A foam concentrate provides a fire-fighting composition when mixed with water so that the fire-fighting composition does not form a stable seal on cyclohexane and meets UL 162, Class B performance criteria for at least one of AFFF agents and fluoroprotein (FP) agent...
02/06/2007
7169318Imbibed organic liquids, especially halogenated organics
Solid composition has an organic spill absorbing material in which is absorbed certain of a liquid organic compound or composition. The organic spill absorbing material can be water insoluble, particulate polymer particles that imbibe liquid organic materials. A hal...
01/30/2007
7153446Fire and explosion suppression
A fire or explosion suppression system comprises a source (30) of a liquid suppressant under pressure, and a source (32) of an inert gas under pressure. The liquid suppressant is a chemical substance having a low environmental impact, with a short atmo...
12/26/2006
7083742Fluoroiodocarbon blends as CFC and halon replacements
A new set of effective, environmentally safe, nonflammable, low-toxicity refrigerants, solvents, foam blowing agents, propellants, and firefighting agents is disclosed. The agents are clean, electrically nonconductive, and have short atmospheric lifetimes, zero ozon...
08/01/2006
7011763Fire extinguishing or retarding material
A foam concentrate or fire fighting composition for extinguishing and/or retarding fires is provided that meets UL162, Class B performance criteria for at least one of AFFF agents, AR-AFFF agents and fluoroprotein (FP) agents. The concentrate is used to form the fir...
03/14/2006
7005082Fluorine-free fire fighting agents and methods
A foam concentrate provides a fire-fighting composition when mixed with water so that the fire-fighting composition does not form a stable seal on cyclohexane and meets UL 162, Class B performance criteria for at least one of AFFF agents and fluoroprotein (FP) agent...
02/28/2006
6988558Fire extinguishing method by gas and extinguishing device
A method of fire extinguishment with a gas, characterized by extinguishing a fire by ejecting at least one gaseous fire-extinguishing agent selected from the group consisting of argon, nitrogen, and carbon dioxide using a foam, powder, or water as a carrier. ...
01/24/2006
6969701Azeotrope-like compositions of tetrafluoropropene and trifluoroiodomethane
Provided are azeotrope-like compositions comprising tetrafluoropropene and trifluoroiodomethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants. ...
11/29/2005
6849194Methods for preparing ethers, ether compositions, fluoroether fire extinguishing systems, mixtures and methods
Highly fluorinated, saturated, and unsaturated fluoroethers are efficient, economical, non-ozone-depleting fire extinguishing agents used alone or in blends with other fire extinguishing agents in total flooding and portable systems. Methods for producing ethers, ha...
02/01/2005
6845823Fluorosurfactant-free foam fire-extinguisher
The present invention provides a foam fire-extinguishing agent devoid of environmentally harmful fluorochemical surfactant. The foam fire-extinguishing agent comprises a foamable synthetic surfactant consisting of (a) polyoxyethylene alkyl sulfate ester salt, and (b...
01/25/2005
6776920Heat-absorbing gel material
A gel is produced by magnetically treating and mixing two solutions and in one embodiment subsequently introducing carbon dioxide gas. The first solution is comprised of water and sodium bicarbonate, and the second solution is comprised of water and sodium silicate....
08/17/2004
6740250Fire suppressant having foam stabilizer
A biodegradable, non-toxic firefighting concentrate composition. The preferred compositions include a mixture of a C14-C18 5 mole ethoxylated tallow amine, 2 mole ethoxylated coconut amine, and 5 mole ethoxylated coconut amine, wherein the blen...
05/25/2004
6736989Reduction of HF
The invention provides for a substantially non-aqueous, flame extinguishing composition for extinguishing a fire at the sight of a potential flame having a flurocarbon in admixture with a gelled powder additive having salts of weak acids which decompose at the tempe...
05/18/2004
6511610Composition that can be used as a refrigerant
Composition consisting essentially of 55 to 94% R-125, 2.5 to 35% of R-134a and 3.5 to 25% by weight of DME, and its use as a refrigerant in a heat transfer system designed for R-22 and comprising, as lubricant, a mineral oil or an alkylbenzene oil....
01/28/2003
6461530Compositions for the suppression of fire
A method for suppressing a fire at a burning material comprising delivering to said burning material (a) an inert gas and (b) a gaseous compound selected from the group consisting of a hydrofluorocarbon, an iodofluorocarbon, and a mixture thereof, gases (...
10/08/2002
6402975Environmentally benign non-toxic fire flooding agents
Fire flooding and extinguishing agents and detoxifiers which are environmentally safe and non-toxic in both natural form and in fire exposed degraded forms are disclosed. The flooding and streaming-type fire extinguishing agents are rich in low boiling, u...
06/11/2002
6352648Environmentally benign non-toxic fire flooding agents
Fire flooding and extinguishing agents and detoxifiers which are environmentally safe and non-toxic in both natural form and in fire exposed degraded forms are disclosed. The flooding and streaming-type fire extinguishing agents are rich in low boiling, u...
03/05/2002
6346203Method for the suppression of fire
A method for suppressing a fire at a burning material comprising delivering to said burning material (a) an inert gas and (b) a gaseous compound selected from the group consisting of a hydrofluorocarbon, an iodofluorocarbon, and a mixture thereof, gases (...
02/12/2002
6267788Gas-Liquid mixture as well as fire-extinguishing unit and method for the use thereof
The present invention relates to a fire extinguishing unit containing a gas-liquid mixture especially for use as a fire extinguishing agent. The mixture contains a) at least one halogenated carbon or C1 -C10 hydrocarbon, b) a chemical com...
07/31/2001
6182768Gas-liquid mixture as well as fire-extinguishing unit and method for the use thereof
The present invention relates to a gas-liquid mixture especially for use as a fire extinguishing agent. The mixture contains a) at least one halogenated carbon or C1 -C10 hydrocarbon, b) a chemical compound having a high steam pressure and a l...
02/06/2001
6146544Environmentally benign non-toxic fire flooding agents
Fire flooding and extinguishing agents and detoxifiers which are environmentally safe and non-toxic in both natural form and in fire exposed degraded forms are disclosed. The flooding and streaming-type fire extinguishing agents are rich in low boiling, u...
11/14/2000
6001270Sticky high water content gels for extinguishers
Sticky high water content gelled fire extinguisher compositions hold the antage of providing a high water content, slightly viscous (sticky) gel with flow properties similar to water. The ability of this material to stick to burning surfaces is what sets...
12/14/1999
5993682Hydrobromocarbon blends to protect against fires and explosions
A set of blends for extinguishment of fires, suppression of explosions, and inertion against fires and explosions is disclosed. The blends are comprised of a bromine-containing component and a fluorine-containing component. The bromine-containing componen...
11/30/1999
5948323Colloidal particles of solid flame retardant and smoke suppressant compounds and methods for making them
The present invention concerns finely divided particles of compounds that provide flame retardancy and/or smoke suppressant properties to fibers, textiles, polymeric articles, paper, paint, coating and insulation. More particularly, the present invention ...
09/07/1999
5919393Fire extinguishing process and composition
A process for controlling or extinguishing fires comprises introducing to a fire or flame (e.g., by streaming or by flooding) a non-flammable extinguishment composition comprising at least one mono- or dialkoxy-substituted perfluoroalkane, perfluorocycloa...
07/06/1999
5862867Gas-liquid mixture as well as unit and method for the use thereof
The present invention relates to a gas-liquid mixture especially for use as a fire extinguishing agent. The mixture contains a) at least one halogenated carbon or C1 -C10 hydrocarbon, b) a chemical compound having a high stream pressure and a ...
01/26/1999
5856587Flame extinguishing compositions
Extinguishing compositions comprising a liquid extinguishing agent constituted by hydrofluoropolyethers having general formula HF2 CO(CF2 O)n (CF2 CF2 O)m CF2 H wherein n and m are integer...
01/05/1999
5853607CVD processing chamber
A process chamber is disclosed which provides a 360° circular gas/vacuum distribution over a substrate being processed. The substrate being processed is supported on a heated and optionally cooled pedestal assembly. The substrate faces a one-piece gas di...
12/29/1998
5833874Fire extinguishing gels and methods of preparation and use thereof
Fire-extinguishing compositions of low ozone depletion potential comprise dry particles of fire-extinguishing agents dispersed in a gel of liquified volatile perfluorocarbons, chlorofluorocarbons or hydrofluorocarbons. The dry particles are compatibilized...
11/10/1998
5827446Nonafluoromethoxybutane compositions
Compositions of nonafluoromethoxybutane and at least one component selected from the group consisting of methanol, ethanol, isopropanol, n-heptane, trans-1,2-dichloroethylene, cis-1,2-dichloroethylene and acetone, and 1,1,1,2,3,4,4,5,5,5-decafluoropentane...
10/27/1998
5759430Clean, tropodegradable agents with low ozone depletion and global warming potentials to protect against fires and explosions
A set of tropodegradable agents for extinguishment of fires, suppression of explosions, and inertion against fires and explosions is disclosed. The agents are characterized by high efficiency, cleanliness, and short atmospheric lifetimes. The latter prope...
06/02/1998
5718293Fire extinguishing process and composition
A process for controlling or extinguishing fires comprises introducing to a fire or flame (e.g., by streaming or by flooding) a non-flammable extinguishment composition comprising at least one mono- or dialkoxy-substituted perfluoroalkane, perfluorocycloa...
02/17/1998
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