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Explosive and thermic compositions or charges

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Class / Patent application numberDescriptionNumber of patent applications / Date published
149002000 STRUCTURE OR ARRANGEMENT OF COMPONENT OR PRODUCT 62
149045000 CONTAINING INORGANIC NITROGEN-OXYGEN SALT 40
149088000 CONTAINING NITRATED ORGANIC COMPOUND 23
149109600 PROCESSES OF MAKING 11
149022000 CONTAINING FREE BORON OR BINARY COMPOUNDS OF BORON (EXCEPT WITH OXYGEN) OR BORANES 10
149001000 CONTAINING LIQUEFIED GASEOUS FUEL OR LIQUEFIED OXYGEN SUPPLYING MATERIAL 9
149037000 METAL OR ALLOY OR METALLOID, EACH IN PARTICULATE FORM, WITH AT LEAST ONE METAL OXIDE, INORGANIC OXYGEN CONTAINING SALT OR ORGANIC METAL-OXYGEN SALT 6
149108600 IGNITING COMPOSITIONS 4
20090044886MULTI-COMPOSITION PYROTECHNIC GRAIN - A multi-composition pyrotechnic material is provided for an inflatable restraint device (for example, an airbag system or pretensioner for a vehicle). The multi-composition pyrotechnic material can be a gas generant, a micro gas generant, or an igniter, for example. The multi-composition pyrotechnic material comprises a first pyrotechnic material that defines one or more void regions. A second pyrotechnic material, compositionally distinct from the first pyrotechnic material, is introduced into at least one of the void regions and forms a second region of the pyrotechnic materials. The second composition can be introduced to the void regions in the form of a slurry. Methods of forming such multi-composition pyrotechnic materials are also provided.02-19-2009
20090236018MICRO 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 degradation or both. This provides a low cost, stable and easily manufactured means. of gas production. Also disclosed are possible uses for the gas generator such as a low cost micro thruster.09-24-2009
20110198004MICRO 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 degradation or both. This provides a low cost, stable and easily manufactured means of gas production. Also disclosed are possible uses for the gas generator such as a low cost micro thruster.08-18-2011
20120055594SLOW BURNING HEAT GENERATING STRUCTURE - A heat generating structure includes a substrate, a coating and a polymeric material. The substrate comprises a first material. The coating comprises a second material, different from the first material that covers at least a portion of the substrate. The coating and substrate, upon being thermally energized to their minimum alloying temperature, react in a first exothermic reaction that is an alloying reaction. The relative quantities of the substrate and coating are such that the first exothermic reaction yields a first amount of exothermic energy that is insufficient to cause self-sustained propagation of the first exothermic reaction. The polymeric material covers substantially all of the substrate and coating, and is different from the first and second materials. The polymeric layer, upon being thermally energized, reacts with at least one of the substrate and coating in a second exothermic reaction. The second exothermic reaction yields a second amount of exothermic energy that, when combined with the first amount of exothermic energy, is sufficient to propagate the first exothermic reaction in a self-sustained manner.03-08-2012
149075000 CONTAINING INORGANIC OXYGEN-HALOGEN SALT 4
20130139935FLAMELESS, SMOKE GENERATING SIGNALING MATERIAL - A cool-burning, smoke-generating signaling composition free of oxidized-carbon burning rate accelerant or a magnesium carbonate coolant, wherein the composition comprises a mixture of potassium bromate, KCYAH, an augmenting organic fuel, a solid particulate with selected signaling characteristics, and a polyvinyl alcohol binder.06-06-2013
20090314397PRODUCTION OF PYROTECHNIC DELAY COMPOSITION - A process for producing a pyrotechnic delay composition includes admixing an oxidizer, a fuel, a surfactant and a liquid, to form a paste or slurry. The paste or slurry is dried to remove the liquid and to obtain a solid product which, if necessary, is rendered into particulate form. Optionally, the solid particulate product is classified to obtain a pyrotechnic delay composition in particulate form.12-24-2009
20090120545Infra-Red Decoy Flare - The invention provides an infra-red decoy flare comprising a pyrotechnic composition which comprises an extrudable and energetic binder in an amount in the range of from 4-35 wt %, which binder comprises a nitrocellulose, an oxidator in an amount in the range of from 40-80 wt %, a pyrotechnic fuel in an amount in the range of from 15-35 wt %, and a carbon source in an amount of up to and including 10 wt %, all amounts based on total pyrotechnic composition. The invention further provides a process for preparing said infra-red decoy flare.05-14-2009
20120267016Nontoxic Obscurant Compositions and Method of Using Same - A composition of matter capable of producing a nontoxic smoke upon combustion comprising a smoke formulation. The composition of matter further comprises an oxidizer selected from the group consisting of potassium chlorate and sodium chlorate. The smoke formulation further comprises a fuel.10-25-2012
149023000 CONTAINING NITRATED METALLO-ORGANIC COMPOUND 4
20100212788PYROTECHNIC PRIMING CHARGE COMPRISING A POROUS MATERIAL - Pyrotechnic priming charge (08-26-2010
20100319823COPPER COMPLEXES WITH OXALYLDIHYDRAZIDE MOIETIES - Methods of making and resultant compositions thereof, which include copper-oxalyldihydrazide-based complexes, such as pyrotechnic compositions, gas generants, and ignition materials, which are useful, for example, in inflatable restraint systems. Synthesis of one or more copper-oxalyldihydrazide complexes with nitrate and/or hydroxide counter ions provides a composition that may auto-ignite at a low enough temperature to be based with thermally sensitive gas generants. The present copper-oxalyldihydrazide complexes may also be used in conjunction with various oxidizers to produce compositions with sufficient energy to auto-ignite practically any known pyrotechnic composition.12-23-2010
20100024931PYROTECHNIC COLOUR COMPOSITION - The invention provides a chlorine-containing pyrotechnic composition which comprises a binder, an oxidator, a pyrotechnic fuel, and a colorant comprising a metal salt of 5-aminotetrazole. The invention further relates to a firework article comprising such a pyrotechnic composition. In addition, the invention provides a method for preparing said colorant02-04-2010
20120125493BISMUTH OXIDE PRIMER COMPOSITION - A priming mixture is provided having a primary explosive and an oxidizer system containing bismuth oxide. The priming mixture generally is applicable to any application or device that employs ignition of a propellant or fuel, including, but not limited to, air bag gas generator systems, signaling devices, ejection seats, small or large arms ammunition primers, and the like.05-24-2012
149109400 MISCELLANEOUS COMPOSITIONS 3
20090044887Propellants and high energy materials compositions containing nano-scale oxidizer and other components - Propellants and high energy materials compositions containing nano-sized oxidizer and other components. The propellant composition simulates a monopropellant formed by nano-sized propellant ingredients in the form of nano-scale reactors. When forming such monopropellant-like compositions, a protective coating is provided around the reactive ingredient. Coating the metal particles prevents formation of an oxidation layer.02-19-2009
20110132505METHOD FOR GASSING EXPLOSIVES ESPECIALLY AT LOW TEMPERATURES - The invention provides a method for gassing an explosive to sensitise the explosive and/or modify the density of the explosive. The method comprises reacting at least one oxidiser with at least one nitrogen containing compound in the explosive to generate nitrogen gas. The explosive is formulated to effect diffusion of the oxidiser and/or the compound into contact with each other, the nitrogen gas being generated by oxidation of the compound by the oxidiser. The invention extends to the explosive compositions themselves.06-09-2011
20110315283SIMULANT MATERIAL FOR PRIMARY EXPLOSIVES - The present invention provides a simulant material comprising a primary explosive and a carrier.12-29-2011
149108200 CONTAINING FREE METAL OR FREE CARBON 3
20100037999MANUFACTURE OF PYROTECHNIC TIME DELAY COMPOSITIONS - A method of manufacturing a pyrotechnic time delay composition includes admixing together a solid oxidizer, a solid fuel and water to form an aqueous slurry. The slurry is transformed into droplets. The droplets are gas-dried to form particles comprising the oxidizer and the fuel, with the particles thus constituting a pyrotechnic delay composition.02-18-2010
20090025841SURFACE-MODIFIED MAGNESIUM POWDERS FOR USE IN PYROTECHNIC COMPOSITIONS - Surface-modified metal fuels, which improve the stability in storage of pyrotechnics and methods for manufacturing such fuels, are provided. Improved storage stability is conferred either by alloying the precursor metal prior to the powder production process, or by forming an enhanced stability coating on the surface of the metal powders during the powder production process.01-29-2009
20130206290CARBON NANOTUBE EXPLOSIVES - A micro-explosive material is provided. The micro-explosive material can include a carbon nanotube and a solid oxidizer attached to the carbon nanotube. The carbon nanotube with the solid oxidizer attached thereto is operable to burn per an exothermic chemical reaction between the carbon nanotube and the solid oxidizer such that a controlled burn and/or an explosive burn is provided. The micro-explosive material can be used as a heat generator, a gas generator, a micro-thruster, a primer for use with a larger explosive material, and the like.08-15-2013
149036000 CONTAINING HYDRAZINE OR HYDRAZINE DERIVATIVE 2
20090151825Ignition Composition and Applications - An ignition composition and its applications, the ignition composition including at least (a) an explosive fraction that includes at least one primary explosive, (b) an oxidation-reduction system and (c) an agglomerate. In the ignition composition the explosive fraction represents 9 to 35% by weight of the composition, the primary explosive at least is tetrazene, and tetrazene represents at least 95% by weight of said explosive fraction.06-18-2009
20080202654Gas generating composition - A gas generating composition containing a tetrazole amide as a fuel, 5-formamido-1H-tetrazole for example, and an oxidizer is provided. The gas generant is contained within a gas generator. The gas generator may be contained within a gas generating system such as an airbag inflator or seat belt assembly, or more broadly within a vehicle occupant protection system.08-28-2008
149108800 STABILITY OR VISCOSITY AFFECTING 2
20100263774Burn Rate Sensitization of Solid Propellants Using a Nano-Titania Additive - Adding nanoparticles as a catalyst to solid propellant fuel to increase and enhance burn rates of the fuel by up to 10 times or more and/or modifying the pressure index. A preferred embodiment uses TiO10-21-2010
20120090744ODOR SAMPLES OF PEROXIDIC EXPLOSIVES - The present invention provides a method of using a neutral ionic liquid to at least one of stabilize a peroxidic explosive and to produce a stable solution of the peroxidic explosive which includes providing the neutral ionic liquid and using the neutral ionic liquid to at least one of stabilize the peroxidic explosive and to produce the stable solution of the peroxidic explosive. The present invention further provides a stable composition which includes a solution of at least one neutral ionic liquid and a detectable amount of a peroxidic explosive, a method of production thereof, and a method of use thereof as an odor sample.04-19-2012
149074000 CONTAINING NITROGEN OXIDE OR ACID THEREOF 2
20090133788NITROUS OXIDE FUEL BLEND MONOPROPELLANTS - Compositions and methods herein provide monopropellants comprising nitrous oxide mixed with organic fuels in particular proportions creating stable, storable, monopropellants which demonstrate high ISP performance. Due to physical properties of the nitrous molecule, fuel/nitrous blends demonstrate high degrees of miscibility as well as excellent chemical stability. While the monopropellants are particularly well suited for use as propulsion propellants, they also lend themselves well to power generation in demanding situations where some specific cycle creates useable work and for providing gas pressure and/or heat for inflating deployable materials.05-28-2009
20090301619GASSING OF EMULSION EXPLOSIVES WITH NITRIC OXIDE - A method for gassing an emulsion explosives to sensitise the explosive to detonation and/or for density modification is described. The method comprises reacting a compound having an enol group, or a deprotonated enolate form of the enol group, with a nitrosating agent to generate nitric oxide to gas the explosive. The compound reacted with the nitrosating agent can be a lactone such as ascorbic acid. Dinitrogen trioxide is particularly useful as the nitrosating agent.12-10-2009
149033000 CONTAINING INORGANIC METAL FULMINATE 1
20090199936Simulant material for primary explosives - The present invention provides a simulant material comprising a primary explosive and a carrier.08-13-2009
149035000 CONTAINING INORGANIC METAL AZIDE 1
20120060984Carbon Nanotubes Containing Confined Copper Azide - The invention concerns copper azide containing carbon nanotubes. The invention also concerns methods of producing such nanotubes by placing CuO nanoparticles within carbon nanotubes to produce CuO-containing carbon nanotubes, contacting CuO-containing carbon nanotubes with hydrogen to produce reduced nanotubes; and contacting the reduced nanotubes with hydrazoic acid to produce copper azide containing carbon nanotubes.03-15-2012

Patent applications in all subclasses Explosive and thermic compositions or charges