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| Number | Title | Issue Date |
| 8002917 | Adjusting yield of a manufacturing process for energetic compounds through solubility modification A method of adjusting the yield of a manufactured compound comprising primarily two energetic materials to yield a product comprising primarily one of the two energetic materials. Specifically, embodiments of the present invention provide a method of purifying a com... | 08/23/2011 |
| 7967929 | Methods for making and using high explosive fills for MEMS devices Secondary crystalline high explosives are disclosed which are suitable for filling very small volume loading holes in micro-electric initiators for micro-electro-mechanical mechanisms (MEMS), used as safe and arm (S&A) devices. The explosives are prepared by adding ... | 06/28/2011 |
| 7857922 | Pressable plastic-bound explosive composition The present invention relates to pressable explosive compositions with enhanced sensitivity characteristics and processability. The explosive compositions are based on crystalline explosive crystals of 1,3,5-trinitro-1,3,5-triazacyclohexane (RDX) Type I alone or in ... | 12/28/2010 |
| 7651577 | Thermally stable compositions including 2,4,8,10-tetranitro-5H-pyrido[3′,2′:4,5][1,2,3]triazolo[1,2-a]benzotriazol-6-ium, inner salt An explosive formulation including 2,4,8,10-tetranitro-5H-pyrido[3′,2′:4,5][1,2,3]triazolo[1,2-a]benzotriazol-6-ium, inner salt and a high temperature binder is disclosed together with a process of preparing 2,4,8,10-tetranitro-5H-pyrido[3′,2′:4,5][1,2,3]tri... | 01/26/2010 |
| 7404867 | Infrared decoy flare composition An infrared decoy flare composition for generating infrared radiation, including a fuel, an oxidizing agent and a binder, wherein the decoy flare composition contains no metals or metal-containing compounds and no halogens or halogen-containing compounds. Such an in... | 07/29/2008 |
| 7288648 | High temperature crystallization of 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazatetracyclo[5.5.0.05,903,11]-dodecane A method of crystallizing an epsilon-polymorph of 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazatetracyclo[5.5.0.05,903,11]-dodecane (CL-20). The method comprises combining the CL-20, at least one organic solvent, and at least one nonsolvent to ... | 10/30/2007 |
| 7279572 | Process for the 2-stage synthesis of hexanitrohexaazaisowurtzitane starting from a primary amine A subject-matter of the present invention is a novel process for the synthesis of hexanitrohexaazaisowurtzitane (HNIW), a compound of use as energetic filler in powders, propellants and explosives. This process comprises a first stage of reaction of an α,β-... | 10/09/2007 |
| 7129348 | 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 intermediate is ... | 10/31/2006 |
| 7101955 | Synthesis of energetic thermoplastic elastomers containing both polyoxirane and polyoxetane blocks This thermoplastic elastomer is present in a substantially solid state suitable for use as a binder for a propellant, explosive, and/or gas generant of a supplemental restraint system. The thermoplastic elastomer is formed from a composition including A blocks which... | 09/05/2006 |
| 7052562 | Methods for making and using 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 and applied using various methods. ... | 05/30/2006 |
| 7033449 | Additive for composition B and composition B replacements that mitigates slow cook-off violence An explosive composition having a main explosive and an additive, such as 2,4-dinitrophenylhydrazine. The explosive composition is resistant to slow cook-off. The main explosive includes Composition B or a Composition B replacement. The 2,4-dinitrophenylhydrazine is... | 04/25/2006 |
| 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 |
| 6992185 | Crystallization of 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazatetracyclo[5.5.0.05,903,11]-dodecane A method is provided in which 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazatetracyclo[5.5.0.05,903,11]-dodecane (CL-20 or HNIW) is crystallized to its ε-polymorph by an inverse precipitation technique. A dry CL-20 solvent solution containing a... | 01/31/2006 |
| 6984275 | Reduced erosion additive for a propelling charge The present invention comprises an additive to a propelling charge that greatly reduces barrel erosion when used in a gun system compared to the current additives noted above. The invention provides both a high nitrogen to carbon monoxide ratio in the combustion pro... | 01/10/2006 |
| 6979022 | Flexible inflator with co-extruded propellant and moisture barrier A flexible inflator for an inflation assembly and related gas generating propellant compositions are provided. The flexible inflator includes at least one elongated strand of a propellant co-extruded with a moisture barrier. The propellant compositions are adapted f... | 12/27/2005 |
| 6964287 | Non-toxic and non-corrosive ignition mixture A non-toxic and non-corrosive ignition mixture is created by combining the energy system and the pyrotechnic system. The energy system comprises a high explosive from the groups of nitroesters and nitramines and a senzibiliser of the type of tetrazene or derivatives... | 11/15/2005 |
| 6955732 | Advanced thermobaric explosive compositions The invention disclosed herein relates to an explosive capable of enhanced combustion efficiently capable of sustaining a high pressure over a period of time in a confined environment, such as an air tight room or a cave, where oxygen may be in limited supply. An em... | 10/18/2005 |
| 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 |
| 6887324 | Reformulation of composition C-4 explosive A composition C4 substitute is provided, the substitute including 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazatetracyclo[5.5.0.05,903,11]-dodecane (CL-20), optionally one or more nitramines other than CL-20, and silicone fluid. Also provided i... | 05/03/2005 |
| 6884307 | Insensitive explosive molding powder, paste process Insensitive explosive molding powders are provided that include an explosive component, a binder and a plasticizer. The insensitive molding powders include explosive crystals that are bound by a binder system. Moreover, the insensitive high explosive molding powder ... | 04/26/2005 |
| 6881283 | Low-sensitivity explosive compositions An explosive composition is provided that includes 85 to about 96 weight percent nitramine, based on the total composition weight, and about 4 to 15 weight percent plasticized binder. At least 80 weight percent of the total composition weight, and more preferably 85... | 04/19/2005 |
| 6877435 | Dual-stage gas generator utilizing eco-friendly gas generant formulation This invention relates to a gas generator having two or more compartments, each with a separate initiator, with one compartment discharging before another, i.e., the compartments discharge sequentially. Each compartment has the same propellants, but the propellants ... | 04/12/2005 |
| 6764562 | Composite gas-generating material for gas-actuated car safety devices The invention relates to a pyrotechnical composition which is intended both for a hybrid gas-generating material and for a purely pyrotechnical gas-generating material for use in gas-actuated car safety devices, and which comprises a first obligatory constituent in ... | 07/20/2004 |
| 6755990 | Monopropellant system “The invention is directed to a monopropellant composition for propulsion and/or gas generation, comprising a solution of hydrazinium nitroformate (HNF) and/or ammonium dinitramide (ADM) in water and/or an alkanol.” ... | 06/29/2004 |
| 6736913 | Method for processing explosives containing 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazatetracyclo [5.5.0.05,903,11]-dodecan (CL-20) with naphthenic and paraffinic oils A method for processing explosives containing a high loading of CL-20 may advantageously include a binder system having naphthenic oil and/or paraffinic oil. Solid energetic ingredients are added into the binder system and mixed to form a free-flowing suspension in ... | 05/18/2004 |
| 6673174 | High performance plastic bonded explosive Plastic bonded explosive (PBX) compositions utilizing CL-20 as the oxidizer, and particularly when the CL-20 is blended with particular combinations of binders and/or plasticizers, have been found to yield synergistic chemical combinations which demonstra... | 01/06/2004 |
| 6641683 | Plasticized, wax-based binder system for melt castable explosives A melt-castable explosive composition not based on TNT consisting essentially of about 10 to 20 weight percent of a matrix material having a melting temperature of about 80° to 100° C., about 1 to 5 weight percent of a plasticizer, up to about 20 weight... | 11/04/2003 |
| 6635131 | Gas generating material for a vehicle occupant protection apparatus An apparatus comprises a vehicle occupant protection device and a gas generating material, which, when ignited, produces gas to actuate the vehicle occupant protection device. The gas generating material comprises a cubane compound having the general form... | 10/21/2003 |
| 6630040 | Slurry coating method for agglomeration of molding powders requiring immiscible lacquer solvents Solutions and process are described useful to produce coated HE powder granules in an aqueous slurry agglomeration process. A reaction mixture is made utilizing a lacquer stock solution comprising a binder material dissolved in a substantially aqueous-imm... | 10/07/2003 |
| 6627014 | Smokeless gas generating material for a hybrid inflator An apparatus (10) for inflating an inflatable vehicle occupant protection device comprises a container (12) for storing a supply of gas. A gas (26) is stored in the container (12) at an elevated pressure. The gas comprises an oxygen rich oxidizer gas. A g... | 09/30/2003 |
| 6605233 | Gas generant composition with coolant A low-solids gas generating composition and a method of producing a gas. The gas is produced by combusting a mixture of a fuel selected from the group consisting of guanidine nitrate, nitroguanidine, cellulose, cellulose acetate, hexamine, 5 amino-tetrazo... | 08/12/2003 |
| 6589375 | Low solids gas generant having a low flame temperature A low-solids gas generating composition and a method of generating a gas with low solids by preparing and combusting the low-solids gas generating composition. The compositions of the invention include a mixture of a basic copper nitrate oxidizer and a fu... | 07/08/2003 |
| 6562159 | Insensitive melt cast explosive compositions containing energetic thermoplastic elastomers An insensitive melt cast explosive composition obtained by dissolving an energetic copolyurethane thermoplastic elastomer ("ETPE") in melted trinitrotoluene ("TNT") is disclosed. The resulting ETPE-TNT solution is easy to mix with other ingredients such a... | 05/13/2003 |
| 6550808 | Guanylurea nitrate in gas generation Gas generant compositions are provided which compositions react to produce nitrogen gas and which compositions include guanylurea nitrate and at least one transition metal-containing water-compatible oxidizer. Also, related methods of gas generation are p... | 04/22/2003 |
| 6552051 | Energetic nitramine-linked azoles and related compounds as oxidizers, initiators and gas generators Novel compounds are provided having the structural formula R[--N(NO2)--L--R1 ]n wherein R, L, R1 and n are defined herein. The compounds are useful in a variety of contexts, but are primarily to be used as high ... | 04/22/2003 |
| 6513834 | Monopropellant smokeless gas generant materials An apparatus comprises a vehicle occupant protection device (14) and a gas generating material (18). The gas generating material (18), when ignited, produces a combustion gas that actuates the vehicle occupant protection device (14). At least about 45% by... | 02/04/2003 |
| 6512113 | Synthesis for 4,10-dinitro-2,6,8,12-tetraoxa-4,10-diazatetracyclo[5. 5.0.05,903,11]-dodecane A process for preparing 4,10-dinitro-2,6,8,12-tetraoxa-4,10-diazatetracyclo[5.5.0.05,9 03,11 ]-dodecane involves reacting at least one hexa-substituted piperazine derivative with at least one nitrate source and optionally at lea... | 01/28/2003 |
| 6509473 | Energetic triazolium salts New energetic salts of 1,2,4-triazole; 3,4,5-triamino-1,2,4-triazole and of 4-amino 1,2,4-triazole were synthesized, characterized and their thermal and safety properties evaluated as possible new propellant ingredients. Energetic anions, including the ni... | 01/21/2003 |
| 6472525 | Hexaazaisowurtzitane derivative and method for producing the same Disclosed is an acyl group-containing hexaazaisowurtzitane derivative represented by the following formula (I): W At Q.sub.(6-t), wherein t represents an integer of from 4 to 6, A independently represents an acyl group having 1 to 10 carbon ato... | 10/29/2002 |
