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| Number | Title | Issue Date |
| 8172967 | Mouldable plastic explosives and inert simulants for mouldable plastic explosives A solvent-free process is used to make moldable plastic explosives or moldable plastic explosive simulant products. ... | 05/08/2012 |
| 8168016 | High-blast explosive compositions containing particulate metal High performance aluminized explosive compositions for high performance, high blast, low sensitivity explosive applications are disclosed. The compositions include Cl-20, HMX, RDX, or another material as the explosive ingredient, a binder system of cellulose acetate... | 05/01/2012 |
| 8163114 | Netshape manufacturing processes and compositions Techniques and processes that combine particulate coating processes with particulate handling steps resulting in the formation of free-flowing particulates for introduction into energetic product vessels to affect an in-situ, net-shape manufactured product. The proc... | 04/24/2012 |
| 8114231 | Gassing of emulsion explosives with nitric oxide A method for gassing an emulsion explosives to sensitize 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 age... | 02/14/2012 |
| 8057612 | Methods of forming a multi-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.... | 11/15/2011 |
| 8048243 | Combustion catalyst The present invention pertains to combustion catalysts, including processes for achieving increased thermal output from combustion processes, processes for improved combustion in boilers and furnaces, processes for reducing the emission of undesirable pollutants, an... | 11/01/2011 |
| 7976654 | High explosive fills for very small volume applications High explosives suitable for filling very small volume loading holes in micro-electric initiators for micro-electro-mechanical mechanisms, used as safe and arm devices, are prepared from slurries of crystalline energetic materials including organic liquid and applie... | 07/12/2011 |
| 7972454 | Gasser composition and method of gassing A method of preparing a gassed water-in-oil emulsion explosives composition from a gasser solution of an inorganic nitrate, an ammonium species and an optional accelerator which is added to an emulsion explosive composition, reacts and forms gas bubbles is disclosed... | 07/05/2011 |
| 7964045 | Method for producing and using high explosive material High explosive coatings and inks suitable for use in micro-electronic initiators for micro-electro-mechanical mechanisms used as safe and arm devices, are prepared from coating compositions of crystalline energetic materials and applied using various methods. These ... | 06/21/2011 |
| 7955453 | Gradient thermosetting plastic-bonded explosive composition, and method thereof A process for manufacturing gradient structures uses multiple jet-spraying mechanisms to form layers of distinct precursors into a gradient composition. ... | 06/07/2011 |
| 7938920 | Explosive composition, method of making an explosive composition, and method of using an explosive composition An explosive composition is provided that is comprised of a Heavy ANFO and grain hulls. In one embodiment, the grain hulls are comprised of rice hulls. The grain hulls serve both as an inert bulking additive that reduces the density of the composition and as a sensi... | 05/10/2011 |
| 7931764 | Desensitization of metastable intermolecular composites A method to substantially desensitize a metastable intermolecular composite material to electrostatic discharge and friction comprising mixing the composite material with an organic diluent and removing enough organic diluent from the mixture to form a mixture with ... | 04/26/2011 |
| 7896990 | Burn rate nanotube modifiers Nanotubular structures of high energy materials are used in high energy compositions, such as propellants. ... | 03/01/2011 |
| 7896989 | Cross-sectional functionally graded propellants and method of manufacture Methods of making cross sectional, functionally-graded munitions propellants exhibiting various distributions of particle concentrations and burn rate, including having a fast burning core and slower burning outer layer(s). Unlike prior art methods of preparing such... | 03/01/2011 |
| 7887651 | Semi-continuous two-component method for obtaining a composite explosive charge with polyurethane matrix The present invention relates to a semi-continuous method for obtaining a composite explosive charge comprising a solid polyurethane matrix loaded with a charge, the charge being in powder form and comprising at least one nitro-organic explosive. The said method com... | 02/15/2011 |
| 7854811 | Mouldable plastic explosives and inert simulants for mouldable plastic explosives A solvent-free process is used to make mouldable plastic explosives or mouldable plastic explosive simulant products. ... | 12/21/2010 |
| 7842144 | Methods of making double base casting powder The invention relates to a novel process for the production of casting powder with high ntirocellulose content, and casting multiple-base rocket propellant including nitroglycerin formulated from such casting powder. ... | 11/30/2010 |
| 7833366 | Method for making single walled carbon nanotubes by activation with hydrazoic acid The present invention relates generally to methods of making carbon nanotubes, and more particularly to the interaction of single wall carbon nanotubes with hydrazoic acid to introduce energetic azide groups into the nanotubes to form activated carbon nanotubes.... | 11/16/2010 |
| 7789983 | Method for making insensitive enhanced blast explosive molding powders A method is provided for making blast explosive molding powder. According to an aspect of the invention, energetic solids and a metal powder are suspended in a bulk phase fluid. Lacquer is added to an energetic solids and metal powder suspension to achieve a super-s... | 09/07/2010 |
| 7789984 | Method for supplying pyrotechnic material slurry A method for supplying a pyrotechnic material slurry to a container, includes, taking out a pyrotechnic material slurry, stored inside a storage container, from the bottom portion of the storage container or a vicinity thereof, sealing the exposed surface of the pyr... | 09/07/2010 |
| 7776169 | Water-based synthesis of poly(tetrazoles) and articles formed therefrom A polyvinyl(tetrazole) is formed by a water-based method. A gas generating composition 12 containing the polyvinyl(tetrazole) is contained within an exemplary gas generator 10. An article or gas generating system 200 incorporates the polyvinyl(t... | 08/17/2010 |
| 7763133 | Transportation of liquid products A method of transporting a liquid product down a vertical conduit having an inlet provided at the top of the conduit and an outlet provided at the bottom of the conduit, which method comprises feeding the liquid product into the inlet of the conduit and contacting t... | 07/27/2010 |
| 7704340 | Pelletized nitrocellulose (PNC) manufacture and long term storage A method of making pelletized nitrocellulose (PNC) includes preparing a lacquer, the lacquer comprising nitrocellulose (NC), ethyl acetate and ethyl centralite, the NC having a nitrogen content of at least about 12.2%; mixing the lacquer with an antisolvent to there... | 04/27/2010 |
| 7678210 | Injection loading of highly filled explosive suspensions A process for mitigating shear induced particle migration of highly filled explosive suspensions during injection loading of the explosive suspension into a confined container that includes monitoring particle migration within the highly filled explosive suspension ... | 03/16/2010 |
| 7670446 | Wet processing and loading of percussion primers based on metastable nanoenergetic composites A method is disclosed for preparing metastable nanoenergetic composites (MNC) and for wet loading those MNCs into percussion primer cups. The method involves dispersing nanosize reactants in an inert liquid or, alternatively, making a nanosize reactant surface modif... | 03/02/2010 |
| 7604705 | Process of separating gun propellant components and useful byproducts thereof Methods for the separation of targeted components from gun propellant formulations. In particular, the methods separate targeted components in a usable/useful form. Preferred methods are directed to the separation of nitrocellulose, nitroguanidine and/or nitroglycer... | 10/20/2009 |
| 7507308 | Propellant and a method and device for producing the same The present invention relates to a method and a device for producing perforated propellant in the geometric form of block, stick, slab, cylindrical or tubular propellant (2) with high charge density and high progressivity. The propellant as claimed in the pre... | 03/24/2009 |
| 7370565 | Apparatus for mixing explosive materials and for filling of ordnance Described herein is apparatus for the mixing of explosive materials utilising a static mixer (26) for combining pre-mix explosive material and hardener prior to introducing the combined mixture into any ordnance (38). ... | 05/13/2008 |
| 7278353 | Reactive shaped charges and thermal spray methods of making same Shaped charge liners are made of reactive materials formed by thermal spray techniques. The thermally sprayed reactive shaped charge materials have low porosity and high structural integrity. Upon detonation, the reactive materials of the shaped charge liner undergo... | 10/09/2007 |
| 7278354 | Shock initiation devices including reactive multilayer structures The invention provides shock initiation devices comprising multilayer structures with constituent layers that undergo an exothermic self-propagating reaction once initiated by shock. The multilayer structures may be used as components in shaped charges, EFP devices,... | 10/09/2007 |
| 7249553 | Process and plant for destroying solid-propellant rocket motors Described is a process and a plant for destroying rocket motors, including in particular the following steps and stations: cutting of the motor into sections; cooling of the sections containing propellant by immersion in a cryogenic liquid; and fragmenting and extra... | 07/31/2007 |
| 7225716 | Process for removing the fuze from explosive projectiles using fluid jet technology A process for defuzing explosive projectiles using fluid jet technology. It is preferred that two or more projectiles be defuzed simultaneously in the same defuzing apparatus. The explosive material can also be removed from the casing by fluid jet technology, after ... | 06/05/2007 |
| 7220504 | Gas generation system with pressurized reactant reservoirs A gas generation system includes a reservoir for a reactant, a compressor configured to pressurize the reactant in the reservoir using an operating medium delivered into the reservoir, a gas generation component fed with the reactant using a reactant feed line, and ... | 05/22/2007 |
| 7217851 | Synthesis of butadiynes Provided is a method for the synthesis of 1,4-dicyclopropyl-1,3-butadiyne from CPA. Such butadiyne is prepared by oxidative coupling of cyclopropyl acetylene (CPA) using catalytic amounts each of copper (I)chloride and tetrametylethylenediamine (TMEDA) in isopropano... | 05/15/2007 |
| 7101449 | Method for recovery of nitramines from aluminized energetic materials Nitramines are one of the more expensive and often the more plentiful ingredients found in energetic materials, such as solid rocket motor propellants, explosives, and pyrotechnics. By treating aluminized energetic material with an aqueous nitric acid solution conta... | 09/05/2006 |
| 7094296 | Gas generants containing silicone fuels Gas generating compositions are provided containing silicone, a metal or nonmetal perchlorate oxidizer, and a coolant selected from the group including metal carbonates, metal bicarbonates, metal oxalates, and metal hydroxides. These compositions exhibit rapid and s... | 08/22/2006 |
| 7083690 | Catalyst system for rendering organic propellants hypergolic with hydrogen peroxide Novel catalysts capable of rendering both polar and non-polar organic fuels hypergolic with rocket-grade hydrogen peroxide are disclosed. These catalysts are complexes formed by reacting alkyl-substituted diamines or triamines, with metal salts of an aliphatic carbo... | 08/01/2006 |
| 7063810 | Co-extrusion of energetic materials using multiple twin screw extruders The invention comprises a continuous, integrated process to produce a multiple layered energetic material where the layers comprise energetic materials having, at least, two different burning rates. The process uses at least two twin-screw extruders to process at le... | 06/20/2006 |
| 6997996 | High energy thermoplastic elastomer propellant A high energy propellant, comprising an oxetane thermoplastic elastomer energetic binder admixed with a high energy explosive filler. The oxetane thermoplastic elastomer energetic binder preferably comprises from about five percent to about thirty percent by weight ... | 02/14/2006 |
| 6986819 | Metal-oxide-based energetic materials and synthesis thereof A method of preparing energetic metal-oxide-based energetic materials using sol-gel chemistry has been invented. The wet chemical sol-gel processing provides an improvement in both safety and performance. Essentially, a metal-oxide oxidizer skeletal structure is pre... | 01/17/2006 |
