Assignee: Cordant Technologies Inc.

Location: SaltLakeCity, UT
No. of patents: 38

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Number	Title	Issue Date
6479148	Rocket assembly ablative materials formed from solvent-spun cellulosic precursors, and method of insulating or thermally protecting a rocket assembly with the same A rocket motor assembly is insulated or thermally protected with a rocket motor ablative material formed from a prepreg. The prepreg contains at least an impregnating resin matrix and, as a precursor prior to carbonization, either carded and yarn-spun sol...	11/12/2002
6378436	Portable propellant cutting assembly, and method of cutting propellant with assembly A propellant cutting assembly and method of using the assembly to cut samples of solid propellant in a repeatable and consistent manner is disclosed. The cutting assembly utilizes two parallel extension beams which are shorter than the diameter of a centr...	04/30/2002
6352030	Gas generating eject motor A gas generating eject motor includes a case containing an ignitable low temperature gas generant material that does not produce toxic gases upon the combustion thereof. The gas generant material is generally contained with a screen enclosure housed withi...	03/05/2002
6342186	Ceramic liner for closed bomb applications Ceramic liners for use with closed bomb devices are disclosed. The closed bomb devices measure performance properties of energetic materials, such as solid propellant, explosive, and pyrotechnic formulations. The closed bomb devices include a body and a c...	01/29/2002
6324833	Reinforced composite articles and method of making same A composite tubular article such as a nozzle or a polar boss for a rocket motor wherein straight matrix impregnated yarn portions extend from one end portion to the other in a non-cylindrical ply to achieve increased strength while affording lighter weigh...	12/04/2001
6315238	Thrusting apparatus Thrusting apparatus for guiding missiles or other projectiles. A plurality of side-by-side solid propellant gas generators are provided to discharge axially into a plate which has a rim and a plurality of nozzles which extend radially in the plate and dis...	11/13/2001
6315847	Water-free preparation of igniter granules for waterless extrusion processes This substantially water-free method for preparing high density igniter granules involves uniformly coating fuel and oxidizer particulates dispersed in a non-solvent with a thermoplastic elastomer solution to produce coated igniter granules exhibiting sub...	11/13/2001
6272954	Apparatus for machining explosive materials Apparatus for machining workpiece made of an explosive material, the apparatus including: a drive system and a cutting tool assembly for cutting a workpiece made of an explosive material; an elongate member carried by, and projecting along an axis from, t...	08/14/2001
6235359	Rocket assembly ablative materials formed from, as a precursor, staple cellulosic fibers, and method of insulating or thermally protecting a rocket assembly with the same A rocket motor assembly is insulated or thermally protected with a rocket motor ablative material formed from a prepreg. The prepreg contains at least an impregnating resin matrix and, as a precursor prior to carbonization, carded and spun staple cellulos...	05/22/2001
6226979	Propellant grain capable of generating buffered boundary layer for reducing rocket nozzle recession This rocket motor propellant grain is designed to reduce recession of at least the converging portion of a converging/diverging rocket motor nozzle. The propellant grain has an oxidizer-deficient grain portion constructed and arranged in relation to the n...	05/08/2001
6217682	Energetic oxetane propellants An energetic solid rocket motor propellant having one or more plateau regions of low operating pressure exponent is disclosed. The propellant is formulated from ingredients including an energetic polyoxetane, an effective amount of a plasticizer, an inorg...	04/17/2001
6209312	Rocket motor nozzle assemblies with erosion-resistant liners A nozzle assembly including a nozzle structure and liner is disclosed. The nozzle structure is made of at least one carbon-based material and includes a nose tip region, a restricted cross-sectional throat region, and an exit cone region that collectively...	04/03/2001
6190475	Castable infrared illuminant compositions Compositions are provided which, when burned, produce significant levels of infrared radiation, but only limited levels of visible radiation. The basic components of the compositions include a binder, an oxidizer, and a fuel, where the binder also acts th...	02/20/2001
6186356	Closure assembly for lined tanks, and vehicles equipped with the same This pressurized-gas storage assembly includes a pressure vessel having a gas storage chamber and access opening, a polar boss extending through the access opening, a plastic liner lining the gas storage chamber, and a fitting body. The plastic liner incl...	02/13/2001
6170399	Flares having igniters formed from extrudable igniter compositions The present invention relates to flares and other solid propellant devices, rockets or the like, equipped with an igniter or igniter system which is based in whole in part on an extruded igniter stick....	01/09/2001
6171530	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...	01/09/2001
6147209	Method for making new polycyclic polyamides as precursors for energetic polycyclic polynitramine oxidizers Hexabenzylhexaazaisowurtzitane is converted to tetracetyl, dibenzyl azaisowurtzitane. The benzyl groups are removed by catalytic transfer hydrogenolysis leaving a pair of available nitrogens. The available nitrogens are acetylated, and the resulting inter...	11/14/2000
6136115	Thermally-stabilized prilled ammonium dinitramide particles, and process for making the same A process is disclosed for producing prills comprised of ammonium dinitramide The prills can include, if desired, one or more thermal stabilizers, and processing aid(s). Solid particulate ADN is introduced into the top of a melting column, allowed to melt...	10/24/2000
6123789	Castable infrared illuminant compositions Compositions are provided which, when burned, produce significant levels of infrared radiation, but only limited levels of visible radiation. The basic components of the compositions include a binder, an oxidizer, and a fuel, where the binder also acts th...	09/26/2000
6107483	Process for the large-scale synthesis of 4,10-dinitro-2,6,8-12-tetraoxa-4,10-diazatetracyclo-[5.5.0.05,903,11]-do decane A process for synthesizing 4,10-dinitro-2,6,8,12-tetraoxa-4,10-diazatetracyclo-[5.5.0.05,9 03,11 ]-dodecane ("TEX") involves combining at least one hexa-substituted piperazine derivative with a medium containing at least one nit...	08/22/2000
6100375	Methods for controlled polymerization of energetic cyclic ethers using alkylating salts Energetic polymers and methods for their synthesis are provided. The polymers are preferably produced from cyclic ether monomers having 4 or 5 member rings. The cyclic ether monomers preferably include energetic functional groups such that a polymer forme...	08/08/2000
6096147	Ignition enhanced gas generant and method An ignition enhanced gas generant grain and method of making an ignition enhanced gas generant involving the application of a dry blend igniter composition to a gas generant particle having a wet adhesive surface....	08/01/2000
6095367	Composite conformable pressure vessel A pressure vessel for holding a pressurized fluid such as compressed natural gas ("CNG") includes two end cells and zero or more interior cells. The cell geometry ensures that the cells meet one another at tangential circular surfaces, thereby reducing th...	08/01/2000
6094906	Design for a gun-launched rocket One embodiment of this novel rocket system employs 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 ...	08/01/2000
6088925	Capture feature tang seal defect measurement tool An apparatus for measuring seal defects on a seal surface of a rocket motor case field joint is provided. The apparatus includes a base mountable onto the rocket motor case field joint. The base is sweepable circumferentially along the field joint. An axi...	07/18/2000
6086692	Advanced designs for high pressure, high performance solid propellant rocket motors A solid rocket propellant formulation with a burn rate slope of less than about 0.15 ips/psi over a substantial portion of a pressure range of about 1,000 psi to about 7,000 psi and a temperature sensitivity of less than about 0.15%/° F. is provided. A h...	07/11/2000
6072055	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: wherein R is aliphatic or aromatic having from 1 to about 15 carbon atoms and R' comprises a hydrolyzable alkoxy functionality. These compounds are particula...	06/06/2000
6059045	Mechanism for mechanically isolating energetic material feed streams from a processing apparatus A mechanism for isolating energetic material feed streams from a material processing apparatus includes a deflector conduit having side panels defining a passageway from an entrance to an exit. Openings are formed in the side panels, and deflector baffles...	05/09/2000
6054521	Erosion resistant-low signature liner for solid propellant rocket motors The present invention concerns an erosion resistant, low signature liner for solid propellant rocket motors and rocket motors having such a low signature liner. The liner combustion products in the exhaust plume have low visibility in the IR and visible l...	04/25/2000
6051087	Low smoke rocket motor liner compositions A formulation is provided which is capable of performing as a liner layer between a rocket motor casing and the propellant grain disposed within the interior of the rocket motor casing. The composition produces relatively little smoke during the operation...	04/18/2000
6039820	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, sufficient oxidizing ...	03/21/2000
5996502	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...	12/07/1999
5970703	Metal hydrazine complexes used 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...	10/26/1999
5955629	Energetic 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 ...	09/21/1999
5942720	Processing and curing aid for composite propellants The processing and cure of high solids (>85%) composite propellants at ambient temperature and pressure is accomplished by using a small amount (ࣘ0.1 weight percent) of a liquid dialkyl tin catalyst, such as dibutyltindiacetate and dibutyltindilaurate. ...	08/24/1999
5874574	Process of crystallizing 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12,-hexaazatetracyclo 5.5.0.0.5,903,11!- dodecane A process of crystallizing CL-20 is disclosed. In the process, a wet CL-20 solvent/CL-20 solution is dried by azeotropic distillation of a CL-20 solvent/water azeotrope. Removal of water from the CL-20 solution permits crystallization of high density CL-2...	02/23/1999
5859384	Method for preparing propellants by late addition of metallic fuel There is provided an improved process for preparing a composite propellant comprising (a) a polymeric binder, (b) a bonding agent, (c) a curing agent for the binder, (d) a metallic fuel, and (e) an ammonium salt oxidizer wherein the improvement resides in...	01/12/1999
5834680	Black body decoy flare compositions for thrusted applications and methods of use This invention relates to the production of black body-generating decoy flares for thrusted applications. Compositions are provided which, when combusted, provide black body radiation. The compositions generally include from about 20% to about 60% metal, ...	11/10/1998

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Assignee: Cordant Technologies Inc.