U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"There is no reason anyone would want a computer in their home."

Ken Olsen, chairman and founder of Digital Equipment Corporation ; 1977

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 252/4 - Gas generative, chemically


Subclass of Class 252 - Compositions
Definition: Compositions which contain components for generating gas
No. of patents: 39
Last issue date: 04/03/2012


NumberTitleIssue Date
8147706Low temperature flameless aerosol producing fire extinguishing composition and production method thereof
A low temperature flameless aerosol producing fire extinguishing composition containing potassium nitrate and binding fuel is characterized by using cellulose-fibrous mass as a binding fuel, with potassium nitrate at 30-70% and fibrous cellulose mass making up the r...
04/03/2012
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
7070704Composition of environmental friendly neuter loaded stream extinguisher for ordinary fire (a class) and method for preparing the same
Disclosed is an environment-friendly, pH-neutral, loaded stream extinguishant and a method for preparing the same. The extinguishant is prepared from a mixture of a fire extinguishable component, an organic acid, a surfactant and water. It is very effective in contr...
07/04/2006
6974787Gasoline sulfur reduction in fluid catalytic cracking
The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction catalyst composition comprising a porous molecular sieve which contains a metal in an oxidation state above...
12/13/2005
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
6217788Fire suppression composition and device
The present invention is directed to a fire suppression composition, comprising a propellant comprising a fuel and an oxidizer, said propellant capable of generating inert gas; and a fire suppression additive selected from the group consisting of iron-con...
04/17/2001
6024889Chemically active fire suppression composition
The invention is directed to a chemically active fire suppression composition, comprising a propellant comprising a fuel and an oxidizer, the propellant capable of generating inert gas; and an environmentally innocuous chemical fire suppressant capable of...
02/15/2000
6019177Methods for suppressing flame
The invention relates to flame suppression compositions including an inorganic halogen-containing component including bromine, iodine, or a mixture thereof, and an organic binder system having a heat of formation of less than about 200 cal/g, wherein the ...
02/01/2000
5958117Stabilized, corrosion-inhibited fire retardant compositions and methods
A gum-thickened fire retardant composition with improved stability and/or corrosion resistance contains a fire retardant salt, a gum thickener, an aqueous liquid carrier and at least one non-toxic water-soluble additive which is at least one carboxylic ac...
09/28/1999
5938969Fire suppressant powder
A fire suppressant powder with particle sizes less than 5 μm is made by a chemical reaction between a gas or vapour of a first material and a vapour or an aerosol of a second material. For example an aerosol of sodium hydroxide droplets may be reacted wi...
08/17/1999
5861106Compositions and methods for suppressing flame
The invention relates to flame suppression compositions including an inorganic halogen-containing component including bromine, iodine, or a mixture thereof, and an organic binder system having a heat of formation of less than about 200 cal/g, wherein the ...
01/19/1999
5660763Fire fighting composition and products containing same
Fire fighting compositions are disclosed which are distinguished from the prior art by the presence of alum as a component of the composition, by the use of a combination of salts in concentrations which will form a eutectic mixture when heated, and by th...
08/26/1997
5626787Fire extinguishing composition
A fire extinguishing composition is disclosed consisting essentially of a mixture of (i) desiccated expanded perlite (aluminum silicate) and (ii) mono- and di-ammonium phosphates. The phosphate fraction of the composition preferably includes urea, ammoniu...
05/06/1997
5610359Method of generating non-toxic smoke
A method of generating nontoxic smoke is taught. The method comprises: (a) submerging a nontoxic smoke creating device in a liquid coolant while preventing entry of coolant into said device; said device includes a composition which comprises: (1) a first ...
03/11/1997
5588493Fire extinguishing methods and systems
A method of extinguishing a fire, which includes pre-positioning a fire extinguishing device which includes at least two reactants such that when the reactants are activated they react to create solid particulate products having a diameter of about one mi...
12/31/1996
5520826Flame extinguishing pyrotechnic and explosive composition
A flame extinguishing pyrotechnic which flamelessly deflagrates to produce rimarily nitrogen, carbon dioxide, and a fluoroolefin. The flame extinguishing characteristic is achieved by reducing the content of oxygen proximate the deflagration as well as thr...
05/28/1996
5518638Fire extinguishing and protection agent
The invention concerns the production and use of thickened synthetic amorphous silica in water as a fire extinguishing and protection agent in which the water is mixed with 1% to 9% by weight of fumed silica, and the resulting thin fluid suspension is rap...
05/21/1996
5510041Process for producing an organic material with high flame-extinguishing power, and product obtained thereby
The process for producing an organic material for extinguishing fires involves mixing at least two kinds of cucurbits which have been divided into pieces, and collecting the water released by them. The mixture is crushed and screened to obtain a very fine powd...
04/23/1996
5466386Fire extinguishing compositions
Fire-extinguishing compositions of low ozone depletion potential comprise dry particles of ammonium bromide coated with an abherent such as zinc stearate to improve flowability. The coated particles enhance the fire-extinguishing properties of chlorofluor...
11/14/1995
5425885Fire retarding and extinguishing composite
The present invention concerns a fire retarding and extinguishing composition, specifically, a liquid fire retarding and extinguishing composition for extinguishing fires caused by classes B and A materials and flammable organic solvents. The fire retardi...
06/20/1995
5425886On demand, non-halon, fire extinguishing systems
A system and process for on-demand generation of inert, non-flammable gases and water vapor to decrease the available atmospheric oxygen in the ullage of a hydrocarbon fuel storage tank to a level that will not support combustion of the hydrocarbon fuel, ...
06/20/1995
5422330Sorbent compositions, uses, and methods of manufacture
A dry, particulate sorbent composition containing an organic absorbent, a combustible adsorbent, a water swellable polymer and a water soluble polymer is used to soak up and contain flammable liquids and to render the resulting product fire-safe by mistin...
06/06/1995
5393437Fire extinguishing material
A fire extinguishing material that comprises a particulate material to be projected onto a fire having a particle size of no more that 212 microns, a moisture content of no more than 0.50 parts by weight, a hygroscopicity of no more than 3.00 parts by wei...
02/28/1995
5332524Methods for dissolving water soluble polymers and compositions using same
Particles of water soluble polymers such as poly(olefin oxides) are formulated to readily dissolve without agglomerating by associating polymer particles with particles of gas producing compounds, suitably a bicarbonate and an acid salt, which are non-rea...
07/26/1994
5302303Storage stable isocyanate-reactive compositions for use in flame-retardent systems
This invention relates to stabilizing isocyanate-reactive compositions containing flame retardants by the use of certain tertiary amines or ammonium compounds, in which said stabilized compositions are prepared by mixing (a) at least one isocyanate-reacti...
04/12/1994
5075018Dry fire extinguishing composition and product
A fire extinguishing composition and product including Alumina Tri Hydrates as the major portion with minor portions of Wollastonite (calcium metasilicate) and an anionic surfactant all pressurized by nitrogen gas of the order of about 200 psi....
12/24/1991
4968441Fire control composition
A fire control composition in particulate form and containing no water, which is particularly effective for fighting metal fires, i.e., Class D fires, and which comprises particles of crushed glass bearing a hydrophobic coating thereon so that agglomerati...
11/06/1990
4961865Combustion inhibiting methods and compositions
Methods of and compositions for inhibiting the combustion of wood and other cellulosic materials. The material to be protected is impregnated with the composition which contains sodium chloride, magnesium chloride, sodium sulfate, sodium borate, and water...
10/09/1990
4950410Fire extinguishing compositions and methods
Fire extinguishing compositions which contain sodium chloride, magnesium chloride, sodium sulfate, calcium chloride, magnesium sulfate, and water. Optional constituents are calcium sulfate, potassium sulfate, magnesium bromide, and potassium chloride....
08/21/1990
4904398Class D fire extinguishing
A Class D (combustible metals) firefighting agent comprises a detergent mixture, and sodium chloride (about 4.5-12%), although vitamin B-6 and bicarbonate soda may be present. The detergent mixture comprises an alkylbenzolyate sulfonate, non-ionic deterge...
02/27/1990
4612239Articles for providing fire protection
A fire protection and/or extinguishing article comprises a sheet which has, uniformly dispersed therein, a material which undergoes an endothermic reaction to release a non-flammable gas and simultaneously absorb heat when subjected to an elevated tempera...
09/16/1986
4601344Pyrotechnic fire extinguishing method
A gas generating composition containing glycidyl azide polymer and a high trogen content additive selected from the group consisting of guanylaminotetrazole nitrate, bis(triaminoguanidinium)5,5'azotetrazole, ammonium 5-nitraminotetrazole and high bulk den...
07/22/1986
4588510Intumescent fire extinguishing solutions
An aqueous solution useful in extinguishing fires is disclosed comprising diammonium phosphate, a water soluble polyol, a water soluble gas-generating agent, a non-combustible viscosity builder and water; when sprayed upon burning surfaces, the solution i...
05/13/1986
4350206Fire extinguishing foam concentrate and its application
Film-forming fire extinguishing foam concentrates are described containing water, at least one hydrocarbon surfactant and at least one fluorosurfactant compatible with the latter one, which comprise a small amount of aliphatic carboxylic acids of the form...
09/21/1982
3991021Intumescent composition
A water-insoluble amine-aldehyde copolymer intumescent agent having a number average molecular weight of about 350-2000 and consisting essentially of repeating units corresponding to the formula: ##SPC1## Wherein Q is the aldehyde residue and R is hydroge...
11/09/1976
3988266Intumescent composition
A water-insoluble amine-aldehyde copolymer intumescent agent having a number average molecular weight of about 350-2000 and consisting essentially of repeating units corresponding to the formula: ##SPC1## Wherein Q is the aldehyde residue and R is hydroge...
10/26/1976
3981832Fire-protecting epoxy resins
Glass fiber-reinforced epoxy resins are rendered fire-protecting by incorporating in their moulding compositions a combination of three materials: a source of carbon, such as e.g. pentaerythritol, a source of phosphoric acid, such as e.g. a water-insolubl...
09/21/1976
3972820Fire extinguishing composition
Disclosed is a novel fire extinguishing composition comprising a heat and gas producing pyrotechnic composition comprising a binder and an oxidizer, and having dispersed therein a halogen containing fire extinguishing agent. The pyrotechnic, when ignited,...
08/03/1976
3963627Surface treatment of particulate solids
A fire-fighting foam-compatible powder containing a fire-extinguishing powder and from 0.1% to 5% of a partially-hydrophobic powdered silica, having a surface area of at least 10 square meters per gram, and carrying a surface treatment with a silane, wher...
06/15/1976
 
Sign InRegister
Username  
Password   
forgot password?