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| Number | Title | Issue Date |
| 6084106 | Adhesion promoters and methods of their synthesis and use The invention relates to a new class of alkoxy silane compounds of the following general formula: ##STR1## wherein R is aliphatic or aromatic having from 1 to about 15 carbon atoms and R'comprises a hydrolyzable alkoxy functionality. These compounds ... | 07/04/2000 |
| 5985361 | Robust propellant liner and interfacial propellant burn rate control A robust polyurethane liner is disclosed for solid propellant rocket motors which is insensitive to large variations in stoichiometry, exhibits increased cohesive strength and, when used in combination with a unique two coat (wet coat) liner process descr... | 11/16/1999 |
| 5844165 | Energetic nitro malonate polyester binders Liquid nitromalonate polyesters and methods for their preparation are disclosed. Solid propellants are provided which employ as the binder a nitromalonate polyester. These propellants are resistant to plasticizer syneresis and crystallization and provide ... | 12/01/1998 |
| 5792981 | Gun-launched rocket A rocket system employing at least one rocket motor closure that includes low and high load capability retainers that, respectively, provide an insensitive munitions system during storage and positive locking of a nozzle assembly at launch. The rocket mot... | 08/11/1998 |
| 5771679 | Aluminized plateau-burning solid propellant formulations and methods for their use Solid rocket motor propellants which burn at at least one stable burn rate over at least one corresponding pressure range (i.e the burn rate v. pressure curve contains at least one area of low pressure exponent with respect to a normal curve) are describe... | 06/30/1998 |
| 5767221 | Robust propellant liner and interfacial propellant burn rate control A robust polyurethane liner is disclosed for solid propellant rocket motors which is insensitive to large variations in stoichiometry, exhibits increased cohesive strength and, when used in combination with a unique two coat (wet coat) liner process descr... | 06/16/1998 |
| 5762746 | Method of internally insulating a propellant combustion chamber A composition consisting essentially of a polyphosphazene binder having the following repeating units: ##STR1## wherein n is from about 20 to about 50,000, A is selected from --O-- and --NH--, and R1 and R2 are independently sel... | 06/09/1998 |
| 5763818 | Illuminant igniter pellet ignition system for use in a decoy flare A decoy flare ignition system is disclosed which includes an ignition initiator disposed at the aft end of the flare housing. An illuminant igniter is positioned in direct contact with the flare illuminant. The illuminant igniter includes at least one ill... | 06/09/1998 |
| 5763027 | Insensitive munitions composite pressure vessels An insensitive composite pressure vessel for containing an energetic compound includes at least two fibers having different temperature resistance characteristics. A dynamic fiber loses a substantial portion of its tensile strength at a transformation tem... | 06/09/1998 |
| 5759458 | Process for the manufacture of high performance gun propellants A process for manufacturing a high performance gun propellant containing an energetic thermoplastic elastomeric binder and a high-energy oxidizer is disclosed. The process includes preparing or obtaining a molding powder of the high-energy oxidizer partic... | 06/02/1998 |
| 5755401 | Missile diverter integration method and system A missile diverter for controlling yaw and pitch includes several valve housings secured to an inside surface of a bridge or to a removable cylinder. The valve housings are secured in aligned positions by a layer of integral cured insulation. Gas valves a... | 05/26/1998 |
| 5747603 | Polymers used in elastomeric binders for high-energy compositions Difunctional, hydroxyl-terminated polymers in which the terminal hydroxyl group is non-primary or hindered are end-capped to provide unhindered, primary, terminal hydroxyl groups which promote an improved cure and improved mechanical properties of the cur... | 05/05/1998 |
| 5741998 | Propellant formulations based on dinitramide salts and energetic binders Composite propellant formulations are disclosed having a dinitramide salt oxidizer, such as ammonium dinitramide, an energetic binder, such as energetically substituted oxetane and oxirane polymers, a reactive metal, such as aluminum, and other typical pr... | 04/21/1998 |
| 5739325 | Hydrogenolysis of 2,4,6,8,10,12-Hexabenzyl-2,4,6,8,10,12-Hexaazatetracyclo5.5.0.05,9 .03,11 !dodecane A process for the hydrogenolysis of 2,4,6,8,10,12-hexabenzyl-2,4,6,8,10,12-hexaazatetracyclo5.5.0.05,9.0 3,11 !dodecane ("HBIW") is disclosed. In the process, a quantity of HBIW, a cosolvent, and a bromine source are placed into a r... | 04/14/1998 |
| 5735118 | Using metal complex compositions as gas generants Gas generating compositions and methods for their use are provided. Metal complexes are used as gas generating compositions. These complexes are comprised of a metal cation template, a neutral ligand containing hydrogen and nitrogen, and sufficient oxidiz... | 04/07/1998 |
| 5735114 | Thermostatic bimetallic retaining ring for use in rocket motor assembly A device for safely attaching sections of a rocket motor is disclosed. The device is constructed such that if the temperature of the rocket motor is elevated to the point where ignition of the propellant within the rocket motor becomes a significant dange... | 04/07/1998 |
| 5731540 | Methods of preparing gas generant formulations Novel methods for processing gas generant compositions to produce feed stock are disclosed. The methods of the present invention include utilizing a binding agent and other additives in a mixture of ingredients of gas generant compositions in sufficient q... | 03/24/1998 |
| 5725699 | Metal complexes for use as gas generants Gas generating compositions and methods for their use are provided. Metal complexes are used as gas generating compositions. These complexes are comprised of a metal cation template, a neutral ligand containing hydrogen and nitrogen, and sufficient oxidiz... | 03/10/1998 |
| 5723604 | Synthesis of 2,4,6,8,10,12-hexabenzyl-2,4,6,8,10,12-hexaazatetracyclo 5.5.0.05,9.03,11!dodecane A process of synthesizing HBIW using a mineral acid, such as perchloric acid, as the acid catalyst is disclosed. According to the process, glyoxal, adjusted to a pH from 4 to 7, and benzylamine are reacted in the presence of the mineral acid for sufficien... | 03/03/1998 |
| 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 complex thereof and mixtures thereof. The preferred bitetrazo... | 10/28/1997 |
| 5675966 | Solid propellant dual pulse rocket motor loaded case and ignition system and method of manufacture A solid propellant dual pulse rocket motor has a pressure vessel containing two pulse grains separated by a barrier insulator. An igniter assembly disposed at a fore end of the pressure vessel selectively ignites a first pulse grain from a central channel... | 10/14/1997 |
| 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, sufficient oxidizing anion to balance the charge of the complex, a... | 10/07/1997 |
| 5670098 | Black powder processing on twin-screw extruder A continuous process of manufacturing black powder and black powder substitute using a twin screw extruder is disclosed. Guar gum mixed with the composition at a concentration in the range from 0.05% to 0.5%, by weight, dramatically reduced the friction i... | 09/23/1997 |
| 5660884 | Method of surface preparation of titanium substrates A surface preparation process has been developed for titanium and titanium alloy substrates that greatly improves the resulting bond. The process improves bond strength, fracture toughness, durability and failure mode of adhesive bonds. The process also d... | 08/26/1997 |
| 5661257 | Multispectral covert target marker A covert, i.e., no visible light emitted, multispectral day/night target marker is disclosed. The marker emits a signature detectable in the electromagnetic spectrum including visible, near infrared, middle and longwave infrared, and radar regions. The ma... | 08/26/1997 |
| 5654522 | Plume enhancement nozzle for achieving flare rotation An aerodynamically stable, kinematic flare having an enhanced plume signature is disclosed. The flare includes a housing with a flare illuminant disposed within the housing. A primary nozzle is configured in the aft wall of the housing. Four secondary noz... | 08/05/1997 |
| 5648556 | Synthesis of bis(2,2-dinitropropyl)acetal (BDNPA) A nonsolvent process of synthesizing bis(2,2-dinitropropyl)acetal (BDNPA) is disclosed. In the process, 2,2-dinitropropanol (DNPOH) is reacted at low temperature with an acetaldehyde source in the presence of an acid catalyst, such as a Lewis acid catalys... | 07/15/1997 |
| 5645219 | Addition-polymerization resin systems for fiber-reinforced nozzle ablative components The addition polymerization resin systems phthalonitrile, diethynyldiphenyl methane, phenolic triazine, and polyphosphazene are disclosed as the matrix constituent in fiber-reinforced ablative nozzle components. Various types of fibers such as carbon fibe... | 07/08/1997 |
| 5644000 | Crystallization resistant, low modulus elastomer for flexible bearings A low shear modulus vulcanizate for construction of flexible bearings, particularly for rocket motors, consisting essentially of a mixture of two natural or synthetic rubber copolymers, the first having about 92% cis-1,4-polyisoprene and about 8% trans-1,... | 07/01/1997 |
| 5639984 | Infrared tracer compositions Convert infrared tracer compositions are provided. The compositions are formed using peroxide such as strontium peroxide and barium peroxide. Added to these materials is a burn rate catalyst such as boron, iron oxide, cupric oxide, manganese dioxide, carb... | 06/17/1997 |
| 5615983 | Propellant grain machining device and method An apparatus for cutting a path of propellant grain away from a solid rocket motor, The apparatus includes a telescoping arm connected to a rotatable body. A cutting tool having a primary and secondary cutter is connected to a distal end of the telescopin... | 04/01/1997 |
| 5616884 | Propellant gas-generation system for canister ejection A propellant system is disclosed which includes a propellant applied to at least one surface of a substrate which is in the form of a strip. The propellant strip is adhesively attached to itself in a configuration which conceals propellant within the conf... | 04/01/1997 |
| 5613358 | Reduced cost membrane seal assembly for pulsed rocket motor A membrane seal assembly separating forward and aft combustion chambers of a rocket motor. The assembly covers the aft surface of a bulkhead having apertures therein to preclude flow communication between the combustion chambers during combustion of prope... | 03/25/1997 |
| 5610364 | Nozzle plug for plume enhancement in a kinematic flare A decoy flare is disclosed which includes illuminant disposed within a housing. A shroud is slidably attached to the housing for deployment from a retracted position to an extended position. A plug is attached to the aft end of the shroud and is configure... | 03/11/1997 |
| 5600946 | Solid propellant dual pulse rocket motor loaded case and ignition system and method of manufacture A solid propellant dual pulse rocket motor has a pressure vessel containing two pulse grains separated by a barrier insulator. An igniter assembly disposed at a fore end of the pressure vessel selectively ignites a first pulse grain from a central channel... | 02/11/1997 |
| 5593770 | Chemorheologically tailored matrix resin formulations containing anhydride curing agents Chemorheologically viscosity tailored matrix resin formulations for use in forming prepregs and composite articles are disclosed. These formulations have a specified viscosity profile obtained from a curable matrix resin and an effective amount of a react... | 01/14/1997 |
| 5592812 | Metal complexes for use as gas generants Gas 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, sufficient oxidizing anion to balance the charge of the complex, and a... | 01/14/1997 |
| 5591936 | Clean space motor/gas generator solid propellants A family of high performance, clean, space motor/gas generator solid propellants based on polyglycidyl nitrate elastomer binder, ammonium nitrate oxidizer and small amounts of aluminum and/or boron and which do not require the presence of plasticizers. A ... | 01/07/1997 |
| 5587553 | High performance pressable explosive compositions High solids pressable explosive compositions containing a liquid energetic polymer and a high performance explosive oxidizer are disclosed. The pressable explosive compositions contain a solids content between 91 and 99 weight percent, with an energetic p... | 12/24/1996 |
| 5587552 | Infrared illuminating composition Infrared illuminant compositions are disclosed which produce significant quantities of infrared radiation when burned but which produce very little visible light. The infrared illuminant compositions provide specific illumination in the spectral range vis... | 12/24/1996 |
