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7585381 |
Nitrous oxide based explosives and methods for making same
An explosive device and methods for forming same, the device comprising a portion of nitrous oxide and a portion of fuel. In one example, the explosive device may include a first storage area...
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7544260 |
Micro thruster, micro thruster array and polymer gas generator
Disclosed is a gas generating polymer compound that when irradiated with light or other radiation sources makes a solid to gas phase transition due to chemically catylized degradation, irradiative...
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7503987 |
Gas generating agent, process for production thereof, and gas generator for air bags
There is provided a tubular molded article of a gas generating agent consisting of a non-azide-based composition. Both ends of the molded article are squashed. A gas-generating-agent producing...
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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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7192497 |
Thermally stable booster explosive and process for manufacture
A thermally stable booster explosive and process for the manufacture of the explosive. The product explosive is 2,4,7,9-tetranitro-10H-benzo[4,5]furo[3,2-b]indole (TNBFI). A reactant/solvent such...
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7192055 |
Pyrotechnic linear inflator
An airbag inflator ( 10 ) including an elongated outer housing ( 12 ) having an interior and a plurality of orifices ( 22 ) extending collinearly therealong to enable fluid communication between...
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7128005 |
Non-polluting high temperature combustion system
Disclosed is a non-polluting high temperature combustion system which comprises in combination a graphite-lined combustion chamber fueled by a controlled-burn thermite fuel, wherein the fuel burns...
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7030237 |
Method and equipment for continuous and selective inclusion separation
In a reaction system having at least two liquid-liquid interfaces between an organic phase of raw material containing a compound(s) to be separated and an aqueous phase of an aqueous solution of...
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7022196 |
Propellant system for solid fuel rocket
An oxidizer package for use in a solid fuel propellant system. The oxidizer package comprises a solid oxidizer in the form of discrete pellets of predetermined geometric shape. The pellets are...
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6984274 |
Explosive composition and its use
An explosive composition comprises a porous fuel and an oxidizer. The porous fuel is a solid with a structure size measuring between about 2 nm and 1000 nm and has a porosity that lies between 10%...
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6982015 |
Reduced energy blasting agent and method
The present invention relates to a method of reducing the energy of an emulsion blasting agent as it is being loaded into a borehole and to an improved method of perimeter blasting wherein an...
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6960267 |
Multi-component liquid explosive composition and method
A multi-component liquid explosive composition and method of mixing thereof. The steps include (a) providing a powder consisting of aluminum preferably having an average particle size of 5 to 50...
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6951589 |
Water in oil explosive emulsions
Water-in-oil emulsion explosive compositions comprising a) an aqueous oxidizer phase comprising at least one oxygen supplying component wherein said oxygen supplying component comprises at least...
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6942744 |
Emulsion explosive
An emulsion explosive composition is especially suited to being pneumatically loaded into a blasthole. The emulsion explosive composition includes a base emulsion phase which has a continuous fuel...
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6939420 |
Thickened water in oil emulsion composition
A putty-like water-in-oil emulsion composition comprising a) an aqueous phase, said aqueous phase comprising water and an inorganic salt, wherein a portion of the inorganic salt is present in...
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6929707 |
Stabilized energetic water-in-oil emulsion composition
A stabilized water-in-oil energetic emulsion composition comprising a) an aqueous oxidizer phase comprising at least one oxygen supplying component; b) an organic phase comprising at least one...
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6916389 |
Process for mixing particulates
A process for producing a mixture of particulates using compressed gas and sonication. The process is particularly useful to mix reactive particulates, such as thermites.
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6913660 |
Dispersant compositions comprising novel emulsifiers for water in oil emulsions
The invention relates to explosive compositions comprising, in a water-in-oil emulsion as emulsifier, a Mannich adduct composed of
a) a hydrocarbyl-substituted, hydroxyaromatic compound of...
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6887323 |
Method of reducing density by means of gas generating agent
This invention relates to a method of reducing density in an ammonium nitrate product. The method comprises providing a gas generating agent in the form of a water-insoluble solid compound capable...
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6846372 |
Reactively induced fragmentating explosives
The invention, as embodied herein, comprises a new composition that provides different outputs depending upon the level of stimulus supplied to the composition. More specifically, if the...
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6808573 |
Emulsion phase having improved stability
A method is disclosed for forming a stable, water-in-oil emulsion phase containing a polymeric emulsifier. The addition of an animal oil or fatty acid additive enhances the long-term stability of...
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6800154 |
Emulsion compositions
An emulsion comprising:(A) a discontinuous phase; (B) a continuous organic phase; and (C) an emulsifying amount of at least one nitrogen and transition metal containing composition derived from...
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6719861 |
Explosives comprising modified copolymers of polyisobutylene and maleic anhydride as emulsifiers
A terpolymer comprising monomer units derived from an olefin having more than 40 carbon atoms, maleic anhydride, and an alkylallyl polyglycol ether of the formula R—(OCH 2 CH 2 ) n O—CH 2...
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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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6675716 |
Pyrotechnic pellet decoy method
A method for decoying an infrared seeker comprising the steps of providing a plurality of small pyrotechnic pellets, igniting the pellets and dispersing the pellets.
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6592778 |
Method for producing propellant compacts
The invention relates to a method for producing propellant compacts for use in gas generators for safety devices in motor vehicles by extrusion, comprising the following steps: mixing the...
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6454886 |
Composition and method for preparing oxidizer matrix containing dispersed metal particles
Disclosed are compositions comprising mixtures of metallic particles and solid oxidizer, and a method for preparing such compositions. The compositions comprise a homogeneous mixture of metallic...
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6425965 |
Ultra low density explosive composition
An explosive composition is provided which comprises a mixture of a particulate low density agent and a particulate oxidising agent. The particulate low density agent is a synthetic polymeric low...
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6361629 |
Flowable solid propellant
Provided is a method for preparing a flowable solid propellant wherein a) liquid oxidizer is added to a tank, b) pellets of cross-linked hydrogel polymer are added to the liquid oxidizer in the...
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6340175 |
Air bag assemblies with foamed energetic igniters
An air bag igniter including a foamed material, and an air bag assembly containing the same are disclosed. The foamed material is formed from a composition including, as ingredients, a...
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6334917 |
Propellant compositions for 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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6272992 |
Power spot ignition droplet
An electrically actuatable igniter (24) includes a body (60), a pair of electrodes (40) and (42) associated with the body (60), a heating element (44) electrically connected between the electrodes...
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6261393 |
Water resistant explosive composition
A dry water resistant ANFO-explosive, containing one or more organic fuels, one or more inorganic salts, one or more water thickening agents, and a gas generating substance which develops a gas...
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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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6120626 |
Dispensing fibrous cellulose material
A dispersal agent for preventing agglomerating of at least one component of a material is provided. In one embodiment, the dispersal agent is part of a porosity producing material and the dispersal...
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6051086 |
Buffered emulsion blasting agent
A buffered emulsion blasting agent is disclosed, particularly suited for use in connection with sulfide and pyrite ores. The buffered emulsion blasting agent comprises an emulsifier, an organic...
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6027588 |
Method of manufacture of emulsion explosives
Water in oil emulsion explosives are prepared by a process in which diazonium salts are incorporated into the explosives matrix and decomposed in-situ.
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6026749 |
Multiple base propellant with combustion inhibitor
A combustion inhibiting composition for use in conjunction with a solid, gas-generating charge, the composition comprising an organic polymeric material containing an oxygen-containing organic...
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6022428 |
Gassed emulsion explosive
The invention comprises an emulsion explosive composition having an organic fuel as a continuous phase; an inorganic oxidizer salt solution or melt as a discontinuous phase; an emulsifier; and gas...
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6007648 |
Liquid explosive composition
An improved, liquid, explosive composition comprising nitromethane, a nitethane sensitizer and an energetic compound. The energetic compound is selected from the group consisting of...
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5972137 |
Explosives
The invention provides a method of sensitizing a base emulsion of the water-in-oil type, and the invention provides also a sensitized emulsion explosive comprising an emulsion of the water-in-oil...
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5936194 |
Thickened emulsion compositions for use as propellants and explosives
Thickened emulsion compositions comprising a discontinuous oxidizer phase, continuous fuel phase, an emulsifier and a thickener composition comprising a carboxyl-containing polymer and a promoter...
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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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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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5868424 |
Substantially smoke-free and particulate-free inflator for inflatable safety restraint system
Provided is an inflator for providing propellant gases to inflate a bag of an automotive safety system for restraining an occupant of a vehicle in which the inflator is a pure pyrotechnic inflator...
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5792982 |
Two-part igniter for gas generating compositions
A two-part igniter for inflators used to inflate inflation devices such as air bags, lift rafts, slide chutes, and the like which includes a heterogeneous mixture of an ignition material and a...
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5714711 |
Encapsulated propellant grain composition, method of preparation, article fabricated therefrom and method of fabrication
A propellant grain composition for use in solid fuel rocket engines comprises a first reactant component consisting of an oxidizer. A polymeric barrier coating encapsulates the first reactant...
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5670739 |
Two phase emulsion useful in explosive compositions
Provided is a two phase emulsion which is useful in preparing explosive compositions. The two phase emulsion is comprised of a blend of two water in oil emulsions. The two phase emulsion is...
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5670735 |
Propellant igniting system and method of making the same
An igniting system for a projectile propellant includes a combustible support tube having an outer surface and an inner surface; a plurality of throughgoing apertures provided in the support tube;...
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