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| Number | Title | Issue Date |
| 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 |
| 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 |
| 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 |
| 7059339 | Pyrotechnically actuated microvalve The microvalve comprises a mini-piston moving due to the thrust of gases given off by firing of a pyrotechnic charge and comprising an aperture designed to enable communication to be established between ends of microchannels of a microfluidic component. When the end... | 06/13/2006 |
| 6997998 | Lead-and barium-free propellant charges The subject of the present invention is lead- and barium-free propellant charges with primary explosives mixed with oxygen-supplying substances, characterized in that the primary explosives are selected from alkali metal and/or alkaline earth metal salts of dinitrob... | 02/14/2006 |
| 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 |
| 6945175 | Biological and chemical agent defeat system The present invention comprises a kinetic energy penetrator warhead that may engage both surface and buried soft and hardened targets. The warhead contains a high-temperature incendiary (HTI) fill capable of destroying chemical and biological agents in such a manner... | 09/20/2005 |
| 6913661 | Ammonium nitrate propellants and methods for preparing the same The present invention is directed to an age-stabilized and/or strengthened ammonium nitrate propellant composition wherein the strengthening agent is selected from the group consisting of azodicarbonamide, dicyandiamide, oxamide and mixtures thereof and wherein the ... | 07/05/2005 |
| 6849140 | Incendiary composition for a fin-stabilized kinetic energy projectile An incendiary composition (14) for a fin-stabilized kinetic energy projectile (1), which can be arranged in the tail region of the projectile (1) and, upon impact with a target (13), penetrates the target (13) as a separate unit be... | 02/01/2005 |
| 6805760 | High energy propellant with reduced pollution This invention relates to energetic compositions, which offer increased performance in conjunction with a total absence of hydrogen chloride in the combustion products. The formulation avoids the use of halogen based oxidizers to prevent the formation of halogen bas... | 10/19/2004 |
| 6802533 | Gas generating material for vehicle occupant protection device An apparatus (10) comprises an inflatable vehicle occupant protection device (20) and a gas generating material (16) that, when ignited, produces gas to inflate the inflatable vehicle occupant protection device (20). The gas generating ma... | 10/12/2004 |
| 6783613 | Modified polybutadiene polymers that are both chemically degradable and physically compatible with energetic plasticizers for use in propellant and explosive binders The present invention is a modified HFPB polymer for use in propellants and explosives that is chemically degradable and also is compatible with commonly used energetic plasticizers. The HFPB polymer of the present invention contains ester linkages formed in the bac... | 08/31/2004 |
| 6730181 | Process for making stable cured poly(glycidyl nitrate) A process is provided in which at least one polyol having a hydroxyl functionality of at least three, preferably four, serves as a polymerization initiator. The polyol initiator is optionally, although preferably, reacted with a catalyst to form a catalyst-initiator... | 05/04/2004 |
| 6682615 | Insensitive high energy booster propellant The invention disclosed herein relates to solid propellant formulations, which exhibit good processing properties, good safety characteristics, desirable combustion properties, good safety characteristics and excellent mechanical attributes. The solid pro... | 01/27/2004 |
| 6682614 | Insensitive high energy booster propellant The invention disclosed herein relates to solid propellant formulations, which exhibit good processing properties, good safety characteristics, desirable combustion properties, good safety. characteristics and excellent mechanical attributes. The solid pr... | 01/27/2004 |
| 6613168 | High energy propellant with reduced pollution This invention relates to energetic compositions, which offer increased performance in conjunction with a total absence of hydrogen chloride in the combustion products. The formulation avoid the use of halogen based oxidizers to prevent the formation of h... | 09/02/2003 |
| 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 |
| 6508894 | Insensitive propellant formulations containing energetic thermoplastic elastomers An energetic and recyclable propellant composition, which is capable of withstanding cold temperature, includes an energetic copolyurethane thermoplastic elastomer. The propellant composition can be used as a gun or rocket propellant, an explosive or in a... | 01/21/2003 |
| 6479614 | Energetic copolyurethane thermoplastic elastomers An energetic copolyurethane thermoplastic elastomer (ETPE) is prepared by polymerizing a dihydroxyl terminated telechelic energetic polymer having a functionality of two or less with a diisocyanate at a NCO/OH ratio of about 0.7 to 1.2. The resulting copo... | 11/12/2002 |
| 6395859 | Hydrolyzable, energetic thermoplastic elastomers and methods of preparation thereof The present invention provides energetic thermoplastic elastomers which may be used as binders in propellant, explosive and pyrotechnic applications. The elastomers of the present invention are all hydrolyzable, allowing recycling of the elastomer's const... | 05/28/2002 |
| 6364975 | Ammonium nitrate propellants The present invention is directed to an age-stabilized and/or strengthened ammonium nitrate propellant composition wherein the strengthening agent is selected from the group consisting of azodicarbonamide, dicyandiamide, oxamide and mixtures thereof and w... | 04/02/2002 |
| 6362311 | Polymerization of poly(glycidyl nitrate) from high purity glycidyl nitrate synthesized from glycerol Glycerol is nitrated with at least one nitrating source in a solvent to form a nitrated glycerol solution containing dinitroglycerin. The nitrated glycerol solution is treated with at least one cyclizing agent to convert the dinitroglycerin into glycidyl ... | 03/26/2002 |
| 6350330 | Poly(butadiene)poly(lactone) thermoplastic block polymers, methods of making, and uncured high energy compositions containing same as binders A thermoplastic, elastomeric block copolymer comprises at least one poly(butadiene) and at least one pair of poly(lactone) blocks flanking the poly(butadiene) block. Each poly(lactone) block is derived from a lactone having between 8 and 18 carbon atoms i... | 02/26/2002 |
| 6258188 | Solid fuel gas generator for ducted rocket engine In the development of new minimum signature ducted rocket technology, the U.S. Army MICOM Propulsion Directorate has conducted studies for the development of fuel-rich gas generators for ducted rockets. The propellant formulation goals of this study inclu... | 07/10/2001 |
| 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 |
| 6238499 | Solid rocket propellant A solid rocket propellant includes a binder that is a linear block co-polymer of caprolatone and tetramethylene ether and an oxidizer. The propellant may be disposed of by contacting it with an aqueous solution of 12 N NaOH or 6 N HCl at a temperature of ... | 05/29/2001 |
| 6228191 | Gas-generating preparation with iron and/or copper carbonate A gas-generating preparation suitable for being used in an air bag includes ammonium nitrate, a derivative of guanidine and one or more metal carbonates as a deflagration catalyst. By using one or more metal carbonates as a deflagration catalyst, higher b... | 05/08/2001 |
| 6228190 | Extrudable gun propellant composition The invention provides an extrudable gun propellant having a specific energy content of at least 1100 kJ/kg and typically over 1200 kJ/kg, but with reduced vulnerability to shaped charge attack compared to known colloidal propellants. This is achieved by ... | 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 |
| 6206988 | Hexanitrohexaazaisowurtzitane compositions and explosive compositions containing the same Hexanitrohexaazaisowurtzitane-containing compositions which comprise hexanitrohexaazaisowurtzitane, polynitropolyacetylhexaazaisowurtzitanes and one or more of oxaisowurtzitane compounds represented by the specified formulae. The explosive compositions wh... | 03/27/2001 |
| 6143103 | Gas generating material for vehicle occupant protection device A body of gas generating material for a vehicle occupant protection device comprises about 40 to about 85 weight percent ammonium nitrate. The body of gas generating material also comprises an amount of a glycidyl azide polymer (GAP). The GAP is cured wit... | 11/07/2000 |
| 6136112 | Smokeless gas generating composition for an inflatable vehicle occupant protection device An apparatus comprises an inflatable vehicle occupant protection device (20) and a gas generating composition (16). The gas generating composition (16), when ignited, produces gas to inflate the inflatable vehicle occupant protection device (20). The gas ... | 10/24/2000 |
| 6113712 | ADN stabilizers ADN stabilizers of aromatic nitrogen-containing heterocyclic organic compounds, such as pyridines, pyrimidines, pyrazines, and triazines substituted with amino, hydroxy or other activating groups. The stabilizers being added to the ADN in an amount of fro... | 09/05/2000 |
| 6103029 | Triazole cross-linked polymers Polyethers containing pendant azide groups are cured without a catalyst by yclo-addition with diacetylenes to form triazole cross-linked, energetic binders having improved mechanical properties and stability. The polyethers typically have three hydroxy-ter... | 08/15/2000 |
| 6080248 | Non-detonatable pyrotechnic materials for microsystems The invention relates to novel non-detonatable pyrotechnic materials which have a thickness of less than 500 μm or a mass of less than 15 mg, whose combustion is self-sustainable after localized initiation by an electrical power of between 150 mW and 800... | 06/27/2000 |
| 6066214 | Solid rocket propellant A solid propellant composition includes an oxidizer, a fuel and a binder, the oxidizer containing a significant amount of bismuth oxide (Bi2 O3)... | 05/23/2000 |
| 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 |
| 6024810 | Castable double base solid rocket propellant containing ballistic modifier pasted in an inert polymer Castable propellant formulations are provided including reduced toxicity ballistic modifiers that do not adversely increase the sensitivity of the propellant to shock detonation. Failure to adequately control the propellant burn rate often results in unac... | 02/15/2000 |
| 6009810 | Airbag propellant A plasticizer-free propellant for inflating passenger airbags in vehicles mprising from about 78 to about 90 weight percent of cyclotrimethylenetrinitramine (RDX) and from about 10 to about 22 weight percent of a plasticizer-free polymer binder formed by ... | 01/04/2000 |
