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| Number | Title | Issue Date |
| 7192649 | Passivation layer on aluminum surface and method thereof A protective passivation layer is formed on the surface of an aluminum mass, such as bare aluminum particles, creating a protected aluminum mass. Formation of the protective layer onto the aluminum mass may occur from an in-situ process. ... | 03/20/2007 |
| 7051658 | Temperature-independent propellant powder The proposed propellant powder exhibits a temperature-independent burning behavior and high ballistic stability. The production process starts with a perforated bulk powder grain, which is processed inside a mixing apparatus with a solid material, a plug-stabilizing... | 05/30/2006 |
| 6932878 | Explosive compositions A plastic mouldable explosive composition comprises a gelled binder and a particulate explosive filler contained in the binder, wherein the binder comprises a blend of polyethylene wax polymer together with a tackifying resin comprising a polyisobutene polymer. Desi... | 08/23/2005 |
| 6893516 | Insensitive pressable explosive An insensitive pressable explosive with a high level of energy comprises octogen grains or hexogen which are coated with a polysiloxane solution. ... | 05/17/2005 |
| 6632378 | Nitrate ester plasticized energetic compositions, method of making and rocket motor assemblies containing the same A nitrate ester plasticized energetic composition in which the binder is made of, prior to curing, lower alkylene glycol prepolymer blocks end-capped with ethylene glycol monomers and/or oligomers. The end-capped prepolymer blocks are preferably difunctio... | 10/14/2003 |
| 6322648 | Pyrotechnic active mass with ignition and combustion accelerator A pyrotechnical object is made by compressing a pyrotechnical mass, and introducing into the mass an ignition and combustion accelerator in the form of a propellant powder. The propellant powder could be mixed with the mass prior to compression. Alternati... | 11/27/2001 |
| 6238501 | TNAZ compositions and articles, processes of preparation, TNAZ solutions and uses thereof The invention is a composition containing high loadings of TNAZ that are made by crash precipitation with water as the precipitation agent. The compositions are in the form of powders, which can be formed and shaped by presseing, extrusion, etc. The TNAZ ... | 05/29/2001 |
| 5942722 | Explosive formulations Composition comprising 2,4,6,8,10,12-hexanitrohexaazoisonurtitane (CL-20) coated with a shock sensitivity reducing agent whereby the shock sensitivity of the composition is reduced a statistically significant amount.... | 08/24/1999 |
| 5942721 | Explosive formulations Composition comprising 2,4,6,8,10,12-hexanitrohexaazoisonurtitane (CL-20) coated with a shock sensitivity reducing agent whereby the shock sensitivity of the composition is reduced a statistically significant amount.... | 08/24/1999 |
| 5936196 | Explosive formulations Composition comprising 2,4,6,8,10,12-hexanitrohexaazoisonurtitane (CL-20) coated with a shock sensitivity reducing agent whereby the shock sensitivity of the composition is reduced a statistically significant amount.... | 08/10/1999 |
| 5808234 | Explosive formulations Composition comprising cyclotrimethylene-trinitramine (RDX) coated with a shock sensitivity reducing agent whereby the shock sensitivity of the composition is reduced a statistically significant amount.... | 09/15/1998 |
| 5801326 | Explosive formulations Composition comprising cyclotetramethylene-tetranitramine (HMX) coated with a shock sensitivity reducing agent whereby the shock sensitivity of the composition is reduced a statistically significant amount.... | 09/01/1998 |
| 5750921 | Waste-free method of making molding powder A process has been developed to produce high-quality high explosive (HE) molding powder which is safe, efficient, has a low-cost, and is non-polluting. The method involves utilizing a chemically inert, non-aqueous carrier fluid as a processing liquid to f... | 05/12/1998 |
| 5750920 | Granulated, stabilized -and ଲ-octogen The current invention treats -octogene which, with the aid of a new procedure, has been coated with synthetic materials in such a manner that it does not convert into ଲ-octogene at room temperature The coating is done at temperatures between ... | 05/12/1998 |
| 5600088 | Coatings for solid propellants This invention relates to improved polyurea coating compositions for particluate solids, and especially for fillers which are useful in solid rocket propellants. The composition is a copolymer of a primary or secondary amine and 3-nitrazapentane diisocyan... | 02/04/1997 |
| 5567912 | Insensitive energetic compositions, and related articles and systems and processes The invention is an insensitive energetic composition that is an explosive and the related articles and systems. The composition has HMX or RDX as an energetic filler, a nonenergetic binder and an energetic plasticizer. The plasticizer is a nitrato-nitram... | 10/22/1996 |
| 5565651 | Method for preparing a compactable composite explosive A compactable composite explosive consisting of 90 weight % to 95 weight % of a raw explosive material being RDX, 5 weight % to 10 weight % of ethylene vinyl acetate copolymer resin containing vinyl acetate in a content of 10 % to 20 % and 0 weight % to 0... | 10/15/1996 |
| 5547527 | Process for the production of desensitized explosives In a process for the production of desensitized, high energy explosive, particularly hexogen (RDX), as a component of plastic-bound explosives or propellant powders, the particulate explosive with a grain size up to 20 .mu.m is suspended with a desensitiz... | 08/20/1996 |
| 5358587 | Simplified emulsion coating of crystalline explosives in a TNT melt A method of making cast 60/40 RDX/TNT explosives in which RDX is admixed in TNT to form a safer and more effective explosive mixture. The method includes the steps of admixing a latex emulsion with RDX in an amount sufficient to at least partially coat th... | 10/25/1994 |
| 5238512 | Water resistant elastic explosive mixture An explosive composition comprises one or several self-detonating explosives, such as PETN, HMX, TNT or RDX, desensitized by wax or water and one or several inert materials. The invention is characterized in that the inert material or a part thereof consi... | 08/24/1993 |
| 4950342 | Polycaprolactone-deterred nitrocellulose propellant compositions and method Method for producing novel deterred granular nitrocellulose propellant powder compositions having a stable burn rate gradient. The invention comprises coating nitrocellulose propellant granules with a minor amount by weight of a polycaprolactone polymer w... | 08/21/1990 |
| 4770728 | Method for coating high energy explosive crystals A method for coating high energy explosive crystals is carried out in a fluidized bed apparatus, in which moist explosive crystals are predried and coated with a dispersion of flegmatizing and binding agents injected into said apparatus through nozzles, w... | 09/13/1988 |
| 4764231 | Well stimulation process and low velocity explosive formulation Well stimulation involving use of a liquid explosive composition in the explosive fracturing of subterranean formations such as oil and gas bearing formations. An explosive formulation comprising a nitrate ester explosive component and a phlegmatizer comp... | 08/16/1988 |
| 4724017 | Unsupported propellant charge element and compact charge produced therefrom Unsupported, compressed propellant charge elements of nitrocellulose grains, as well as propellant charges produced from these propellant charge elements are produced by coating the grains with an acrylate resin and shaping the grains into cylindrical ele... | 02/09/1988 |
| 4708754 | Method of generating crosslinking sites on the surface of ammonium perchlorate in solid interceptor propellants A method of generating reactive crosslinking sites on the surface of the onium perchlorate particles contained in a Catocene-catalyzed, high-burning rate solid propellant composition by a processing agent which also results in a major improvement in the ... | 11/24/1987 |
| 4699741 | Method of phlegmatization of crystalline explosives and other explosive crystalline substances, as well as a method of producing plastic bound explosive and substances produced according to the method The disclosure primarily relates to a method of phlegmatizing crystalline or otherwise particulate explosive substances or compositions in which these are included, by first coating the discrete particles with a thin layer of oxazolin wax in order thereaf... | 10/13/1987 |
| 4654093 | Method of producing progressively burning artillery propellant powder and agent adapted thereto The invention relates to a general method of producing progressively burning deterrent-coated powder, more particularly propellant powder for weapons having barrels. According to the method a film-forming, preferably polymerizable deterrent substance is f... | 03/31/1987 |
| 4640947 | Adhesive medium for the bonding of surfaces in the ammunition containing explosive charges An adhesive medium for the bonding of surfaces in ammunition which contains explosive charges. The adhesive medium essentially consists of: 14 to 46% by weight of a binding resin non-hardening in oxygen, having a softening point below the melting point of... | 02/03/1987 |
| 4638735 | Combustion inhibitor based on an aliphatic polyurethane elastomer for a propellant, and block coated with this inhibitor The invention relates to a combustion inhibitor composition intended to cover partly the surface of blocks of double-base propellant. The inhibitor composition of the invention includes an aliphatic polyurethane obtained by the reaction of at least one po... | 01/27/1987 |
| 4601767 | Vinsol coating in sweetie barrel A process for producing double base propellant powders deterred with Vinsol by diluting the Vinsol with isopropyl alcohol or similar solvent and then adding the solvent Vinsol solution to the propellant powder in a sweetie barrel in an intermittent manner... | 07/22/1986 |
| 4534809 | Water-in-oil emulsion explosive composition A water-in-oil emulsion explosive composition containing specifically limited hollow microspheres consisting of neutral or weakly acidic hollow microspheres coated with a coating material has a high consistency without deteriorating its storage stability ... | 08/13/1985 |
| 4519855 | Mixed charges for ammunitions with a casing constituted by agglomerated propellant powder and propellant powder in grain form The present invention falls in the field of propellant charges for ballistic ammunitions which have combustible or a non-combustible casing. According to the invention, the ammunition is constituted by a casing 2 placed around a shell 1 and closed by a po... | 05/28/1985 |
| 4453860 | Firedamp-safe method for stud driving cartridges A firedamp-safe propellant charge comprising a pyrotechnical gas-yielding propellant, said propellant coated with a polymer and/or amides of C2 -C4 dicarboxylic acids and/or ammonium oxalate, which composition, upon ignition of the p... | 06/12/1984 |
| 4452653 | Method of coating ammunition with a protective surface layer A protective surface coating for ammunition having no cartridge casing and ammunition having a combustible cartridge casing. A body of highly porous nitrocellulose is permeated from the outside with a polymer carried by a solvent to form a binder for the ... | 06/05/1984 |
| 4430132 | Desensitizing explosives A process for desensitizing sensitive explosives materials such as RDX or HMX involves stirring a paste of the explosives material in a liquid medium, usually water, with a wax which will soften below the safe decomposition temperature of the explosives m... | 02/07/1984 |
| 4425170 | Desensitizing explosives Sensitive explosive materials such as RDX or HMX may be desensitized by stirring them up with micronised wax in a liquid medium, usually water. The wax is in the form of particles having a mean size of less than 20 microns, preferably less than 6 microns,... | 01/10/1984 |
| 4389263 | Bonding agent for nitramines in rocket propellants Water-soluble protein is coated onto particles of nitramines by making a rry of nitramine powder in a water solution of the protein and removing the water by evaporation or by filtration after previously precipitating the protein by addition of ethanol. ... | 06/21/1983 |
| 4385948 | In situ cured booster explosive The present invention relates to a method for preparing an in situ cured ster explosive by mixing explosive crystals with a prepolymer solution comprising a carboxyl (or hydroxyl)-terminated hydrophobic polyester and epoxidized linseed oil with chromium ... | 05/31/1983 |
| 4376083 | Process for the preparation of aluminum-containing high-energy explosive compositions A castable high-energy explosive composition comprising trinitrotoluene (TNT) and crystalline explosives of the RDX or HMX type as well as aluminum powder, and, optionally, flegmatizing agents and stablizers consisting of wax, lecithin and nitrocellulose ... | 03/08/1983 |
| 4367104 | Finely comminuted water-soluble materials and aqueous suspensions thereof Water-soluble crystalline material which has been comminuted in a saturated aqueous solution of the material in the presence of a water-soluble crystal-growth inhibitor having a hydrophobic portion and a hydrophilic portion in its molecular structure is m... | 01/04/1983 |
