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| Number | Title | Issue Date |
| 7240618 | Explosive device with accelerated bioremediation capacity Technology for in situ remediation of undetonated explosive material. An explosive apparatus contains an explosive material in close proximity with a carrier containing microorganisms and with nutrient for the microorganisms. An explosive mixture capable of self rem... | 07/10/2007 |
| 7153498 | Water-in-oil emulsion and its use as a cosmetic A composition, comprising, in a physiologically acceptable medium, an aqueous phase dispersed in an oily phase by means of an emulsifier of at least one oligomer or one polymer derived from a polyolefin, comprising a polyolefinic apolar component comprising at least... | 12/26/2006 |
| 7077044 | Method for bioremediating undetonated explosive device Technology for in situ remediation of undetonated explosive device. An explosive device contains an explosive material in close proximity with microorganisms capable of metabolizing the explosive material that are either mobile or temporarily deactivated by freeze d... | 07/18/2006 |
| 6660112 | Method for manufacturing explosive device having self-remediating capacity Technology for in situ remediation of undetonated explosive material. An explosive apparatus contains an explosive material in close proximity with microorganisms. An explosive mixture capable of self remediation in the form of an explosive material is in... | 12/09/2003 |
| 6557650 | Method and apparatus for protecting explosives A method and apparatus to protect explosive components used in various tools, such as tools for use in wellbores, includes a component with an adsorptive material. Example tools include perforating gun strings that include shaped charges, detonating cords... | 05/06/2003 |
| 6527885 | Explosives comprising modified copolymers of polyisobutylene, vinyl esters and maleic anhydride as emulsifiers The invention provides an explosive composition comprising A) an oxygen-donating constituent, which forms a disperse phase, B) an organic constituent, which forms a dispersion phase, and C) at least one emulsifier, wherein the emulsifier includes a copolymer comprising,... | 03/04/2003 |
| 6527887 | Polymeric cyclodextrin nitrate esters Cyclodextrin polymers are nitrated to provide novel nitrate esters of cyclodextrin polymers which are useful for encapsulating explosives to provides energetic compositions of reduced sensitivity; a new method for the preparation of cyclodextrin polymers ... | 03/04/2003 |
| 6386296 | Method and apparatus of protecting explosives A method and apparatus to protect explosive components used in various tools, such as tools for use in wellbores, includes a component with an adsorptive material. Example tools include perforating gun strings that include shaped charges, detonating cords... | 05/14/2002 |
| 6120627 | Explosive with bioremediating capacity Technology for in situ remediation of undetonated explosive material. An explosive apparatus contains an explosive material in close proximity with microorganisms. An explosive mixture capable of self remediation in the form of an explosive material is in... | 09/19/2000 |
| 5721313 | Crosslinked polymer composition A composition comprising a water-in-oil polymer emulsion wherein the polymer is the reaction product of the following: (a) an ethylenically unsaturated carboxylate having between about 3 and about 6 carbon atoms; (b) an ethylenically unsaturated monomer which ... | 02/24/1998 |
| 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 |
| 5506366 | Desensitization of cured energetic compositions in aqueous media Solid energetic compositions such as rocket motor grains are desensitized and converted to a form suitable for incineration by size reducing the solids, combining them with water to form a slurry, and adding shredded paper or similar cellulosic material i... | 04/09/1996 |
| 5458706 | Solid pyrotechnic compositions with a thermoplastic binder and a polybutadiene silylferrocene plasticizer The object of the present invention is novel solid pyrotechnic compositions with a loaded and plasticized thermoplastic binder, which can be used notably as propellants with non-polluting combustion, as propellants with a high combustion rate or as compos... | 10/17/1995 |
| 5401341 | Cross-linked emulsion explosive composition This invention relates to water-in-oil emulsion explosives in which an oxidizing material is contained in the discontinuous water phase, and the continuous oil phase acts as a carbonaceous fuel. More particularly, this invention relates to such explosives... | 03/28/1995 |
| 5244475 | Rheology controlled emulsion An emulsion composition with a polymerizing and/or crosslinking agent and method for its use in improving the manufacturing, packaging, transporting, storage placement and blasting characteristics of explosives containing an emulsion. More specifically, c... | 09/14/1993 |
| 5112417 | Method of controlling the increase in potlife of propellants during processing Tris(N-nitrosophenylhydroxylaminium)aluminum is employed in amounts from about 0.1% by weight to about 0.2% by weight to inhibit the polymerization reaction during propellant mixing. With a weight percent of 0.2 percent, the inhibitor inhibited polymeriza... | 05/12/1992 |
| 5067995 | Method for enhancing stability of high explosives, for purposes of transport or storage, and the stabilized high explosives The stability of porous solid high explosives, for purposes of transport or storage, is enhanced by reducing the sensitivity to shock initiation of a reaction that leads to detonation. The pores of the explosive down to a certain size are filled under pre... | 11/26/1991 |
| 5038295 | Solid propellant service life analysis via nondestructive testing A process for determining the aging characteristics of solid rocket propellant samples by measuring their dynamic mechanical properties is disclosed. Samples of rocket propellant are tested using a mechanical spectrometer at low strain levels and low freq... | 08/06/1991 |
| 4822433 | Emulsion explosive composition An emulsion explosive composition comprising a discontinuous phase containing an oxygen-supplying component and an organic medium forming a continuous phase wherein the oxygen-supplying component and organic medium are capable of forming an emulsion which... | 04/18/1989 |
| 4734141 | Crash bag propellant compositions for generating high quality nitrogen gas A crash bag propellant composition and method for generating non-toxic nitrogen gas comprising an azide salt and an oxidant component in which metal oxides are substantially replaced with one or more bi-metallic complexes containing copper or iron in comb... | 03/29/1988 |
| 4713127 | Triplebasic propellant powder and process for the production thereof Triplebasic propellant powders consist of nitrocellulose, nitroglycerin or an equivalently acting explosive oil and crystalline nitroguanidino, which are processed by mixing with one another and plasticizing the NC by means of a solvent, e.g. acetone, as ... | 12/15/1987 |
| 4664730 | Tactical monopropellant The incorporation of methyl alcohol into a hydrazine, and hydrazine nitrate uel blend is effective in lowering the freezing point of the combination while enhancing the performance of the monopropellant blend by contributing to the total energy of the mono... | 05/12/1987 |
| 4664728 | Explosive systems Water-based explosives that use siliceous boron-containing microspheres as sensitizing agents are stabilized by adding multivalent metal ions to the explosives. Zinc salts are especially useful.... | 05/12/1987 |
| 4659403 | Hydrazine stabilizers for nc propellants The invention relates to propellant powders and specifically to stabilizers for nitrocellulose-based propellant powders.... | 04/21/1987 |
| 4615752 | Methods of pumping and loading emulsion slurry blasting compositions The invention relates to methods for refining, pumping and loading a borehole with a water-in-oil emulsion slurry blasting composition, wherein the emulsion slurry blasting composition is pumped or forced through a valve positioned at the end of a deliver... | 10/07/1986 |
| 4602970 | Method of stabilizing emulsion explosives Method of stabilizing an emulsion explosive comprising an oxidant, a fuel, and an emulsifier the molecules of which have at least one double-binding. The oxidant is emulsified in the fuel in the presence of the emulsifier, and a polymerizing reaction is e... | 07/29/1986 |
| 4514318 | Stabilizing polysaccharide-thickened aqueous medium and stable aqueous gel A means is provided for stabilizing polysaccharide-thickened aqueous solutions by including in the thickened solution from 0.01% to 1% w/w of a thiuram sulphide or thiomorpholine compound as stabilizer. These stabilizers provide improved resistance agains... | 04/30/1985 |
| 4510958 | Apparatus and method for transferring a Bingham solid through a long conduit An apparatus for injecting a lubricating liquid, e.g., water, into a conduit as an annular layer around a flowing Bingham solid, e.g., a water gel or water-in-oil emulsion explosive, to facilitate the flow of the Bingham solid has an annular passageway fr... | 04/16/1985 |
| 4496471 | Stable aqueous solution-type oxidizing agent composition for explosives An aqueous solution-type oxidizing agent composition consisting of an aqueous solution containing an oxidizing agent, which consists of ammonium nitrate as a main component and an inorganic chlorate, and further containing a water-soluble phosphate as a s... | 01/29/1985 |
| 4486317 | Stabilization of thickened aqueous fluids Thickeners, preferably galactomannans, in aqueous solutions or slurries, e.g., water gel explosives, oil well drilling muds, and hydraulic fracturing fluids, are stabilized against thermal degradation by incorporating iodide and/or iodate ions in the solu... | 12/04/1984 |
| 4455252 | Phlegmatization of organic peroxides by metallic soaps A phlegmatized organic peroxide composition is disclosed which contains a liquid organic peroxide and a metallic soap of a higher fatty acid in an amount sufficient to phlegmatize the liquid peroxide. Viscosity modifiers may be added to render the composi... | 06/19/1984 |
| 4336145 | Liquid gel concentrates and methods of using the same A liquid gel concentrate for forming a high viscosity treating fluid is provided which can be premixed and stored before being used. The concentrate is comprised of water, a hydratable polymer which yields viscosity upon hydration and an inhibitor having ... | 06/22/1982 |
| 4273147 | Transportation and placement of water-in-oil explosive emulsions A method and apparatus for the placement of emulsion explosive compositions is provided which substantially reduces the amount of work which must be expended to pump the explosive emulsion through a conduit and into a detonation site. This is accomplished... | 06/16/1981 |
| 4214438 | Pyrotechnic composition and method of inflating an inflatable device A pyrotechnic gas generating composition comprising a fuel and an oxidizer, the composition upon combustion generating a gas and a non-gaseous composition comprising a metallic salt or oxide, the metallic salt or oxide being a highly flowable liquid at th... | 07/29/1980 |
| 4196026 | Donor free radical explosive composition An improved explosive composition is disclosed and comprises a major portion of an explosive having a detonation velocity between about 1500 and 10,000 meters per second and a minor amount of a donor additive comprising an organic compound or mixture of o... | 04/01/1980 |
| 4185557 | Stress reducing liner and method of fabrication A stress reducing liner for a solid rocket motor comprising a first layer polybutadiene based material, a second layer of perforated silicone rubber and a third layer of polybutadiene based material is fabricated by (1) coating the inner surface of a roc... | 01/29/1980 |
| 4124368 | Insensitive ammonium nitrate The danger of the accidental detonation of large masses of commercial ammum nitrate during handling and storage under normal climatic conditions is reduced by replacing the ammonium nitrate with a solid solution of potassium nitrate in form III ammonium ... | 11/07/1978 |
| 4061511 | Aluminum silicate stabilizer in gas producing propellants The use of an aluminum silicate molecular sieve as a stabilizer in propelts that give off gas during the aging process. An aluminum silicate molecular sieve is added to propellants that give off gases such as N2, CO2, CO, F2 | 12/06/1977 |
| 4042432 | Desensitizer for n-propyl nitrate A low gamma gas is dissolved in n-propyl nitrate for desensitization purps.... | 08/16/1977 |
| 4038116 | Method for degrading aromatic explosive solutions A method for treating an aqueous solution of aromatic explosives whereby losive molecules are destroyed and the resulting effluent is safe for disposal. An additive, such as acetone or hydrogen peroxide, is added to an aqueous solution of aromatic explos... | 07/26/1977 |
