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7459043 |
Moisture-resistant black powder substitute compositions
A solid pyrotechnic composition having a flame temperature and exhibiting ballistic performance comparable to that of black powder, but which does not contain charcoal or sulfur, is provided, as is...
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7455741 |
Generant beads for flexible applications
The present invention relates to a new type of gas generant that may be used in airbag inflators. This new type of gas generant is designed to be flexible such that it may be used in side-curtain...
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7407598 |
Flame suppressant aerosol generant
The present invention is directed to pyrotechnic aerosol fire suppression compositions that burn rapidly, but coolly. The rapid burning of the compositions of the present invention produces a...
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7147733 |
Ammonium perchlorate-containing gas generants
Ammonium perchlorate-containing gas generant compositions which, upon combustion, produce or result in an improved effluent and related methods for generating an inflation gas for use in an...
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7011722 |
Propellant formulation
A solid heterogeneous, high performance rocket propellant, operable at high pressure with a burn rate relatively insensitive to changes in pressure and temperature, is disclosed. The propellant...
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6969433 |
Granulated gas charges
The invention relates to granulated gas charges and their use. Said granulated gas charges, whose combustion fumes are nitrogen-free and low in carbon monoxide, contain a) between 5 and 50% by...
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6905562 |
Low density slurry bridge mix
A low density slurry bridge mix for use in an inflatable restraint system is provided. The low density slurry bridge mix includes zirconium metal, a thermal conductivity enhancer such as aluminum...
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6893517 |
Nitrocellulose-free gas-generating composition
A nitrocellulose-free, gas-generating composition for use in vehicle occupant restraint systems, in particular in a belt tensioner gas generator, substantially consists of at least one...
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6783616 |
Method to produce pyrotechnical igniting mixtures
The invention relates to pyrotechnic primer charges produced on the basis of metal powders or metal hydride powders, potassium perchlorate and binders. In order to obtain a homogenous mixture, the...
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6702909 |
High energy explosive containing cast particles
The present invention relates to a water-based explosive having detonation properties similar to dynamite. It comprises an emulsion explosive formed by blending an emulsion phase with cast...
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6651564 |
High energy explosive for seismic methods
An improved seismic method comprises the steps of generating seismic waves by exploding an explosive composition in a subterranean formation, wherein the explosive composition comprises a first...
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6521064 |
Pyrotechnic burster composition
Pyrotechnic burster composition combines high explosive energy when confined, with reduced ignition hazard when unconfined. The composition includes pyrotechnic mixtures of KClO 4 , metal powders,...
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6221187 |
Method of safely initiating combustion of a gas generant composition using an autoignition composition
The present invention relates to a low temperature autoignition composition for safely initiating combustion of a main pyrotechnic charge in a gas generator or pyrotechnic device exposed to flame...
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6217788 |
Fire 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...
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6200398 |
Emulsion explosive compositions
Water in oil emulsion explosive compositions comprises a discontinuous aqueous phase comprising at least one oxygen-supplying component, a continuous organic phase, an emulsifying amount of an...
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6139054 |
Reduced smoke gas generant with improved temperature stability
An apparatus (10) comprises an inflatable vehicle occupant protection device (20) and a gas generating composition (16) which when ignited produces gas to inflate the inflatable vehicle occupant...
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6077371 |
Gas generants comprising transition metal nitrite complexes
High nitrogen gas generant compositions, useful for inflating passenger restraint gas inflator bags, comprise a nitrogen rich coordination compound selected from coordination complexes comprised of...
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6071364 |
Gas generating compositions containing mica
Gas generating compositions are formed from a fuel, one or more oxidizers and mica. The gas generant composition of this invention yields solid combustion products and inflating gases having a...
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6033500 |
Airbag explosive composition and process for producing said composition
The present invention is directed to an airbag explosive composition comprising a fuel ingredient, an oxidizing agent and a binder for binding them, said binder being hydrotalcite group expressed...
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5962808 |
Gas generant complex oxidizers
Nonazide gas generant compositions, useful for inflating passenger restraint gas inflator bags, comprise a multimetallic coordination complex oxidizer selected from coordination complexes comprised...
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5920030 |
Methods of blasting using nitrogen-free explosives
A method of blasting using non-nitrogen containing explosives which protect the environment from pollution of nitrogen compounds is provided. The method includes the following steps: (1) combining...
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5920031 |
Water-in-oil emulsions
This invention is directed to water-in-oil emulsions which are useful as explosives. These emulsions comprise: a discontinuous aqueous phase comprising at least one oxygen-supplying component; a...
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5883330 |
Azodicarbonamide containing gas generating composition
A gas generating composition which is capable of significantly reducing the concentration of harmful gas components, particularly carbon monoxide, in the generated gas. Also a process for molding a...
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5880399 |
Cast explosive composition with microballoons
The invention comprises a cap-sensitive, cast, solid explosive composition usable as a booster or primer and as a seismic explosive composition. The cast, solid explosive composition contains...
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5844164 |
Gas generating device with specific composition
A gas generating device has a housing in combination with a device for igniting a gas generating composition located within the housing. The gas generating composition is 5-aminotetrazole combined...
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5831207 |
Autoignition composition for an airbag inflator
An autoigniting composition comprising lead thiocyanate Pb(SCN) 2 as the fuel, a chlorate as the oxidizer and optionally, a binder and/or a flow agent/thickener are disclosed for use in a vehicle...
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5756929 |
Nonazide gas generating compositions
Multicomponent pyrotechnic gas generating compositions are provided which comprise a single or multiple nonazide fuel. The single and multiple fuels are selected from guanidine, azole, and other...
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5741999 |
Gas generating agent composition
This invention aims to provide a gas generating composition of a gas generator for an air bag, which composition produces less combustion residues and is easily adsorbed. This composition comprises...
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5682014 |
Bitetrazoleamine gas generant compositions
A solid composition for generating a nitrogen containing gas is provided. The composition includes an oxidizer and a non-azide fuel selected from a bitetrazoleamine or a derivative or a salt or...
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5673935 |
Metal complexes for use as gas generants
Complex generating compositions and methods for their use are provided. Metal complexes are used as gas generating compositions. These complexes are comprised of a cationic metal template,...
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5670741 |
Method of preparing a cast solid explosive product
A solid explosive composition is made by curing a mixture of a 20-50% by weight of a liquid matrix, 50-80% by weight of an essentially anhydrous inorganic chlorate or perchlorate salt, and 0-15% of...
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5665935 |
Cast primer and small diameter explosive composition
A solid explosive composition is made by curing a mixture of a 20-50% by weight of a liquid matrix, 50-80% by weight of an essentially anhydrous inorganic chlorate or perchlorate salt, and 0-15% of...
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5602360 |
Electronic delay igniter and electric detonator
An electronic delay igniter including a firing capacitor (102) for storing energy required for firing by applying a voltage from an external power supply, an electronic timer unit (206) provided...
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5557062 |
Breathable gas generators
The present invention describes a pyrotechnic gas generating composition which upon reaction produces a breathable gas. The composition comprises a fuel, an oxidizer and a nitrogen source and can...
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5552001 |
Oxygen yielding firestarter/firebuilder
The invention disclosed herein is an explicit procedure for initiating a charcoal fire and afterward building the fire, including a plan for effective support of the fire by air after the fire has...
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5538568 |
Extrudable gas generant for hybrid air bag inflation system
The solvent-free gas generant composition of this invention, comprising an oxidizer and a thermosettable resin, cures in about an hour or less at room temperature and within 5 minutes at 135° F....
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5536339 |
Air bag inflator gas compositions and inflator containing the same
Air bag inflators having reduced risk of premature deployment, reduced risk of chemical and thermal burning of the driver, and reduced toxicity are obtained by using a non-sodium azide containing...
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5529647 |
Gas generant composition for use with aluminum components
A gas generant composition adapted for use with airbag restraint systems containing aluminum components includes a fuel which is a tetrazole or a triazole, an oxidizer which is an ammonium, alkali...
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5525166 |
Pryotechnic composition and device containing such composition
A pyrotechnic composition, particularly for fireworks, which contains an organic compound having at least one aromatic group as a binder. The compound preferably has a weight ratio of...
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5525170 |
Fumaric acid-based gas generating compositions for airbags
The subject invention concerns a propellant mixture for producing propellant gas for passenger protection systems in motor vehicles, in particular airbag systems. According to this invention, this...
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5514230 |
Nonazide gas generating compositions with a built-in catalyst
Nonazide gas generating compositions are formed from a nonazide fuel, an oxidizer, a slag former, and a built-in catalyst comprising an alkali metal, alkaline earth metal, or transition metal salt...
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5500059 |
Anhydrous 5-aminotetrazole gas generant compositions and methods of preparation
A solid composition for generating a nitrogen containing gas is provided. The composition includes an oxidizer and a 5-aminotetrazole fuel selected from anhydrous 5-aminotetrazole derivatives,...
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5482579 |
Gas generator compositions
A gas generator composition, primarily containing perchlorate and cellulose acetate is provided to generate a large amount of gas without forming any substantial amount of harmful carbon monoxide....
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5474625 |
Desensitized solid rocket propellant formulation
A composite propellant composition and process are disclosed for reducing e reactive violence during cook-off and to improve the performance of a potassium perchlorate/ammonium perchlorate...
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5472536 |
Tracer mixture for use with laser hardened optics
A pyrotechnic mixture for use in tracer rounds of projectiles to increase sibility under high speed conditions when viewed through laser hardened optics, comprising, in percentages by weight, an...
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5467715 |
Gas generant compositions
A gas generant composition contains as a fuel a mixture of a major portion of a triazole or tetrazole and a minor portion of a water soluble fuel; and an oxidizer component, at least 20 wt % of...
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5460667 |
Gas generating agent and gas generator for automobile air bags
A gas generating agent comprising at least one compound (A) selected from the group consisting of maleic hydrazide, carbohydrazide, thiocarbohydrazide and 3-methyl-5-pyrazolone and a gas generator...
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5449423 |
Propellant and explosive composition
A pyrotechnic composition useful for gunpowder, propellant or explosive purposes, which comprises an organic acid such as ascorbic or erythorbic acid, a nitrate salt oxidizer, and about 6-15% of...
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5366571 |
High pressure-resistant nonincendive emulsion explosive
An improved emulsion explosive composition including hollow microspheres/bulking agents having high density and high strength. The hollow microspheres/bulking agents have true particle densities of...
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5226986 |
Formulation of multi-component explosives
Process for the formulation of a multi-component explosive composition from non-detonable components comprising a defined body of unconsolidated particulate aluminum fuel granules and an oxidizing...
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