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7399841 |
High-energy 1,3,5-triazinyl diazenes, and process thereof
A compound possesses the chemical structure of:
wherein n is greater than zero. The compound is useful in energetic composition, particularly in linear, branched, dendritric, oligomer and...
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7261748 |
Portable hydrogen source
A man portable hydrogen source, the source comprising one or more hydrogen generating elements ( 2 ), an ignition control system ( 3 ) and a pressure vessel ( 1 ). Each hydrogen generating element...
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6916388 |
Hydrazinium nitroformate based high performance solid propellants
The present invention is directed to a solid propellant for rocket motors, gas generators and comparable devices, comprising a cured composition of hydrazinium nitroformate and an unsaturated...
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6854395 |
Inflator for an air bag
An inflator for an air bag has, in a housing having a gas discharging port, a combustion chamber accommodating a molded article of a gas generating composition which is burnt to generate gas and...
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6755990 |
Monopropellant system
“The invention is directed to a monopropellant composition for propulsion and/or gas generation, comprising a solution of hydrazinium nitroformate (HNF) and/or ammonium dinitramide (ADM) in water...
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6712918 |
Burn rate enhancement via a transition metal complex of diammonium bitetrazole
A method for increasing the burn rate of a gas generant formulation is provided involving the addition of a quantity of at least one transition metal complex of diammonium bitetrazole to the gas...
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6689237 |
Gas generants containing a transition metal complex of ethylenediamine 5,5′-bitetrazole
Gas generant compositions which include at least one transition metal complex of ethylenediamine 5,5′-bitetrazole are provided to produce or results in compositions having relatively high burn...
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6673172 |
Gas generant compositions exhibiting low autoignition temperatures and methods of generating gases therefrom
Gas generant compositions exhibit low autoignition temperatures. In preferred forms, the gas generant compositions include azobisformamidine dinitrate (AZODN) and a eutectic mixture (comelt) of...
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6657059 |
3,6BIS(1H-1,2,3,4-tetrazol-5-ylamino)-1,2,4,5-tetrazine or salt thereof
The compound 3,6-bis(1H-1,2,3,4-tetrazol-5-ylamino)-1,2,4,5-tetrazine and its salts are provided together with a propellant composition including an oxidizer, a binder and...
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6651565 |
Method of reducing NOx
A method capable of decreasing the amount of NOx generated by the combustion of a gas generating agent for an air bag. A method for reducing NOx generated by the combustion of a gas generating...
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6645325 |
Fast-burning nitrocellulose compositions
Explosive or propellant compositions containing at least one nitrocellulose contain an additive including at least one substituted tetrazine in amounts effective to increase the burning rate of the...
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6623574 |
Gas generator composition
A gas generating composition which is excellent in a combustion efficiency and a gas output and in which amounts of residues generated are reduced in the combustion is obtained. A gas generating...
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6588797 |
Reduced smoke gas generant with improved temperature stability
An apparatus ( 12 ) comprises an inflatable vehicle occupant protection device ( 20 ) and a gas generating composition ( 16 ) which when ignited produces gas to inflate the inflatable vehicle...
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6572717 |
Hydrazinium nitroformate
The invention relates to crystalline hydrazinium nitroformate having a length to diameter ratio of at most 2.5 and a sensitivity to friction and shock not below 20 N and 2 J, respectively, as well...
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6552201 |
Preparation of 3,3′-diamino-4,4′-azofurazan
A method of preparing 3,3′-diamino-4,4′-azofurazan is provided together with a composition of matter including a mixture of 3,3′-diamino-4,4′-azofurazan and...
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6487974 |
Inflator
An ignition enhancer and gas heater composition for vehicle occupant restraint systems (commonly known as “airbags”) contains a non-azide fuel, an oxidizer and a metal. The ignition enhancer...
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6481746 |
Metal hydrazine complexes for use as gas generants
Gas generating compositions and methods for their use are provided. Metal complexes are used as gas generating compositions. These complexes are comprised of a metal cation template, a neutral...
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6458227 |
Propellant containing 3;6-BIS(1H-1,2,3,4-Tetrazol-5-ylamino)-1,2,4,5-tetrazine or salts thereof
The compound 3,6-bis(1H-1,2,3,4-tetrazol-5-ylamino)-1,2,4,5-tetrazine and its salts are provided together with a propellant composition including an oxidizer, a binder and...
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6453816 |
Temperature fuse with lower detonation point
A temperature fuse for gas-generating mixtures consists of substances or mixtures of substances that have lower detonation points or decomposition points than the gas-generating mixture. In...
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6435552 |
Method for the gas-inflation articles
A pyrotechnic gas generant composition includes a high oxygen balance compound or fuel, preferably, azodiformamidine dinitrate, which is the resulting reaction product of an aminoguanidine salt and...
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6431597 |
Reduced smoke gas generant with improved mechanical stability
An apparatus ( 12 ) comprises an inflatable vehicle occupant protection device ( 20 ) and a gas generating material ( 16 ) that when ignited produces gas to inflate the inflatable vehicle occupant...
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6410682 |
Polymeric amine for a gas generating material
A gas generating material ( 16 ) comprises a polymeric amine. The polymeric amine has a polymer backbone that includes units of wherein R is a nitrogen containing organic radical of a nitrogen...
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6388087 |
3,3′-Dinitro-4,4′-hydrazofurazan and methods of preparation
The novel compound 3,3-Dinitro-4,4′-hydrozofurazan and the methods of preparation. The method of preparation 3,3-Dinitro-4,4′-hydrazofurazan which comprises partially reducing...
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6358339 |
Use of 3,3'-diamino-4,4'-azoxyfurazan and 3,3'-diamino-4,4'-azofurazan as insensitive high explosive materials
A method of preparing 3,3′-diamino-4,4′-azofurazan is provided together with a composition of matter including a mixture of 3,3′-diamino-4,4′-azofurazan and...
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6328906 |
Chemical delivery systems for fire suppression
A pyrotechnic gas generant composition includes a high oxygen balance compound or fuel, preferably, azodiformamidine dinitrate, which is the resulting reaction product of an aminoguanidine salt and...
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6328830 |
Metal oxide-free 5-aminotetrazole-based gas generating composition
An anhydrous 5-aminotetrazole or "5-AT" based gas generating composition for use in passive restraint devices, such as air bags and a method of preparing the same that is devoid of metal oxides....
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6312537 |
Low-smoke pyrotechnic compositions
A low-smoke producing pyrotechnic composition including a high-nitrogen content, low-carbon content energetic material, an oxidant and a colorant is disclosed together with the use of selected...
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6302979 |
Gas generant composition
A gas generant is provided which decreases toxic components, in particular carbon monoxide and nitrogen oxides, in generated gas to a concentration practical as an air bag system for automobile. A...
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6300498 |
Substituted ammonium salt of 1,5'-bitetrazole
The 1,5'-bitetrazole of the invention comprises 1,5'-bitetrazole, and ammonia or an amine. The 1,5'-bitetrazole of the invention decomposes sharply and generates a nontoxic gas.
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6287400 |
Gas generant composition
Preferred gas generant compositions incorporate a combination of 5-aminotetrazole nitrate and an oxidizer. The oxidizer may be selected from a group including nonmetal and metal nitrates, nitrites,...
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6277221 |
Propellant compositions with salts and complexes of lanthanide and rare earth elements
Solid pyrotechnic gas generant compositions and monopropellants are provided for use in inflators of automotive air bag restraint systems which, when combusted, produce acceptable burning rates,...
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6231702 |
Cool burning ammonium nitrate based gas generating composition
A gas generating composition comprises an organic fuel and an ammonium nitrate oxidizer which is phase stabilized with an alkali metal or alkaline earth metal salt. The composition also comprises...
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6228192 |
Double base propellant containing 5-aminotetrazole
A family of Class 1.3 propellant compositions comprising nitrocellulose, at least one of a selected group of plasticizing nitrate esters, a thermal stabilizer, carbon and an energetic solid, and a...
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6228191 |
Gas-generating preparation with iron and/or copper carbonate
A gas-generating preparation suitable for being used in an air bag includes ammonium nitrate, a derivative of guanidine and one or more metal carbonates as a deflagration catalyst. By using one or...
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6218577 |
Enegetic hydrazinium salts
Provided is a salt of hydroxyethylhydrazine (HEH) of [HO--CH 2 --CH 2 --NH 2 --NH 2 + ][X - ] or [HO--CH 2 --CH 2 --NH 2 --NH 3 2 + ][X - ] 2 , where X=NO 3 , ClO 4 , N(NO 2 ) 2 or C(NO 2...
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6214138 |
Ignition enhancer composition for an airbag inflator
An ignition enhancer and gas heater composition for vehicle occupant restraint systems (commonly known as "airbags") contains a non-azide fuel, an oxidizer and a metal. The ignition enhancer...
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6210505 |
High gas yield non-azide gas generants
High nitrogen nonazide gas compositions, useful in inflating passenger restraint gas inflator bags, comprise a nonmetal salt of triazole or tetrazole fuel, phase stabilized ammonium nitrate (PSAN)...
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6177028 |
Spontaneous firing explosive composition for use in a gas generator for an airbag
A spontaneous firing explosive composition for use in a gas generator for an airbag containing a fuel, an oxidizer, a combustion modifier, and a binder.
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6176517 |
Gas generating apparatus
A gas generating apparatus for outputting a gas is provided. In one embodiment, the apparatus is an inflator having a propellant for supplying inflation gas(es) to an inflatable located in a...
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6156136 |
N,N'-azobis-nitroazoles and analogs thereof as igniter compounds for use in energetic compositions
Novel energetic compounds are provided comprising N,N'-azobis-nitroazoles or analogs thereof. The compounds are useful as igniter materials in a variety of energetic compositions, particularly...
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6143104 |
Cool burning gas generating composition
A gas generating composition comprises an organic fuel and an oxidizer wherein a component of the composition comprises an alkaline earth metal or alkali metal ion. The composition also comprises...
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6143101 |
Chlorate-free autoignition compositions and methods
Chlorate-free autoignition compositions are disclosed, and may be embodied in compositions comprised of (i) an azodiformamidine dinitrate (ADFD), a self-deflagrating, low ignition temperature fuel,...
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6136224 |
Gas generant
A gas generant for an air, which is improved in the defects of gas generants using sodium azide in a practical use and has stable combustion capability. And a molecular compound comprising (a) a...
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6123790 |
Nonazide ammonium nitrate based gas generant compositions that burn at ambient pressure
A nonazide gas generant that may be used in an inflation device, such as a vehicle passenger restraint system, comprising a hydrated or anhydrous mixture of nonazide fuel, an oxidizer and a...
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6123359 |
Inflator for use with gas generant compositions containing guanidines
The present invention relates to an inflator for a vehicle airbag employing non-azide gas generants. The invention also relates to a new filter system for airbag inflators. The filter is a metal...
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6117255 |
Gas generating composition comprising guanylurea dinitramide
An apparatus comprises an inflatable vehicle occupant protection device and a gas generating composition. The gas generating composition comprises an oxidizer, a fuel component and preferably a...
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6093269 |
Pyrotechnic gas generant composition including high oxygen balance fuel
A pyrotechnic gas generant composition including a high oxygen balance compound or fuel which is the resulting reaction product of aminoguanidine nitrate and nitric acid. Specifically, the...
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6074502 |
Smokeless gas generant compositions
Thermally stable gas generant compositions incorporate a combination of one or more primary nonazide high-nitrogen fuels selected from a group including tetrazoles, bitetrazoles, and triazoles, and...
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6073962 |
Gas generant
The present invention is directed to an airbag system that includes a gas generant, which is improved in the defects of gas generants using sodium azide in a practical use and has stable combustion...
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6073438 |
Preparation of eutectic mixtures of ammonium nitrate and amino guanidine nitrate
A eutectic solution of ammonium nitrate and either aminoguanidiine nitrate (AGN) or guanidine nitrate (AN) in the form of a present pellet is used to generate a particulate-free, non-toxic,...
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