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| Number | Title | Issue Date |
| 7942988 | Shaped, flexible fuel and energetic system therefrom A shaped, flexible fuel and energetic system is presented. The shaped, flexible fuel comprises at least one polymeric binding material and porous silicon particles dispersed throughout the polymeric binding material. The porous silicon particles are prepared from a ... | 05/17/2011 |
| 7347260 | Method for determining tracer concentration in oil and gas production fluids A method for determining the extent of recovery of materials injected or otherwise introduced into oil wells or subsurface formations is practiced using a portable device. The portable device can also be used to determiner the occurrence of a predetermined condition... | 03/25/2008 |
| 7268100 | Shale inhibition additive for oil/gas down hole fluids and methods for making and using same An under-balanced drilling fluid additive is disclosed which reduces reactive shale and/or clay swelling during under-balanced drilling operations, where the additive includes an effective amount of a choline salt. A method for under-balanced drilling is also disclo... | 09/11/2007 |
| 7032662 | Method for determining the extent of recovery of materials injected into oil wells or subsurface formations during oil and gas exploration and production Disclosed is a method of determining the extent of recovery of materials injected into oil wells or subsurface formations. The method includes injection of one or more tracers into an oil well or into a formation. Included in the method are the steps of introducing ... | 04/25/2006 |
| 6964715 | High impetus, high burn rate gas generant propellant and seatbelt pretensioner incorporating same Gas generating compositions having a fuel preferably comprising a mixture of 5-aminotetrazole (5-AT), azodicarbonamide (ADCA), an oxidizer, and a superfine metal powder burn rate enhancer such as nano-aluminum, for use in automotive seatbelt pretensioners and other ... | 11/15/2005 |
| 6955731 | Explosive composition, method of making an explosive composition, and method of using an explosive composition An explosive composition is provided that is comprised of a Heavy ANFO and grain hulls. In one embodiment, the grain hulls are comprised of rice hulls. The grain hulls serve both as an inert bulking additive that reduces the density of the composition and as a sensi... | 10/18/2005 |
| 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 |
| 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 |
| 6045726 | Fire suppressant A fire suppressant composition is provided which exhibits a low pressure and low flame temperature. The composition comprises ammonium nitrate and a guanidine salt or derivative which produces greater than 3 moles of inert gas per 100 grams of composition... | 04/04/2000 |
| 5970877 | Gun propellant coating A coating for a gun propellant powder wherein the graphite commonly used to coat a gun propellant powder is totally or partially replaced with molybdenum disulfide in an amount equal to or less than five tenths percent by weight of the propellant powder.... | 10/26/1999 |
| 5747665 | Tungsten as a hypergolic fuel gel additive Tungsten is added to fuel gels to increase the density specific impulse. l gels contain monomethylhydrazine or other hypergolic liquids well known in the art. The quantity of tungsten employed can vary from 10%-98% weight percent depending on the specifi... | 05/05/1998 |
| 5661261 | Gas generating composition A solid composition for generating gases when ignited is a combination 5-aminotetrazole and at least two oxidizers selected from the group consisting of potassium nitrate, potassium per-chlorate, ferric oxide, copper oxide and manganese dioxide.... | 08/26/1997 |
| 5627339 | Energetic compositions containing no volatile solvents Energetic compositions and the process for obtaining same for use as the itable composition in infrared-emitting decoy flares, for high-temperature ignition compositions, and the like, are disclosed. These compositions are attained by combining a fluorin... | 05/06/1997 |
| 5574248 | Energetic compositions containing no volatile solvents Energetic compositions and the process for obtaining same for use as the itable composition in infrared-emitting decoy flares, for high-temperature ignition compositions, and the like, are disclosed. These compositions are attained by combining a fluorin... | 11/12/1996 |
| 5554820 | High solids rocket motor propellants using diepoxy curing agents A PBAN-based solid rocket motor propellant which includes more than 85% or more solids is provided. Propellants of this nature are possible using the combination of diepoxide curing agents and PBAN as a binder. The curing agents include diepoxides having ... | 09/10/1996 |
| 5525171 | Pyrotechnic compositions generating clean and nontoxic gases, containing a thermoplastic elastomer binder The present invention relates to the field of gas-generating pyrotechnic compositions intended for motor vehicle safety. The compositions according to the invention include: an oxygen-containing thermoplastic binder and especially a block aliphatic copolymer o... | 06/11/1996 |
| 5271778 | Chlorine-free solid rocket propellant for space boosters A stable chlorine-free solid rocket propellant composition containing a low energy binder component having an HEX value not exceeding about 0 cal/gm and comprising, in combination, a nitrate salt and/or phase stabilized nitrate salt as oxidizer component,... | 12/21/1993 |
| 5180452 | Solid propellant formualtions producing acid neutralizing exhaust Scavenging and neutralization of HCl from the exhaust plume of a solid grain rocket motor is achieved by including elemental magnesium as the sole metallic component. The magnesium acts both as a propellant fuel and as a scavenger of halogen acids derived... | 01/19/1993 |
| 5149384 | Propellant material A solid propellant acts in a chamber to propel a member such as a rocket, the chamber being closed to the atmosphere. The propellant provides high density-impulses and, when combusted, produces end products which do not have any deleterious effects. The p... | 09/22/1992 |
| 5076868 | High performance, low cost solid propellant compositions producing halogen free exhaust High performance solid propellant compositions producing halogen-free exhaust products comprised of Ammonium Nitrate and powdered magnesium and optionally containing polyoxypropylene glycol as a binder.... | 12/31/1991 |
| 5059260 | Composite rocket propellant composition with a controllable pressure exponent Gem-difluoroamino compounds are employed as a partial or complete replacement for TVOPA (trisvinoxypropyl adduct), tris-1,2,3-[bis(1,2-difluoroamino)-ethoxy]propane, in accordance with the nomenclature established by the International Union of Pure and Ap... | 10/22/1991 |
| 4944816 | Ultra-ultrahigh burning rate composite modified double-base propellants containing porous ammonium perchlorate Ultra-ultrahigh burning rate composite modified double-base propellants are btained by use of porous ammonium perchlorate as a replacement for the ultra-ultrafine ammonium perchlorate. The porous ammonium perchlorate is used in combination with aluminum po... | 07/31/1990 |
| 4941931 | Gas-generated expandable beads as burning rate accelerators Mechanical enhancement of the burning rate of solid propellants is achieved y the incorporation of limited percentages of gas-generated-expandable beads into the solid propellant composition during propellant mixing and which are chemically crosslinked dur... | 07/17/1990 |
| 4881994 | Iron oxide catalyst propellant, and method for making same A method of making a ferric oxide burning rate catalyst that results in a highly active, finely divided burning rate enhancing catalyst. An iron-containing compound that is capable of vaporization at a temperature below about 500° C. is vaporized. A mixt... | 11/21/1989 |
| 4854981 | Iron oxide catalyst and method for making same A highly active, finely divided ferric oxide burning rate catalyst and method for making the same. The catalyst is made by vaporizing an iron-containing compound that is capable of vaporization at a temperature below about 500° C., and is capable of form... | 08/08/1989 |
| 4812179 | Method of increasing the burning rate enhancement by mechanical accelerators The mechanical burning rate accelerators, e.g., graphite linters or alumi whiskers, which are employed to enhance the burning rate of solid propellants are modified by depositing specks of metal selected from the group of metals consisting of iron, vanad... | 03/14/1989 |
| 4798637 | Composite solid propellants containing bitetrazoles Composite solid propellants are provided containing, in an amount effective to reduce the burning rate of the propellant, at least one bitetrazole compound.... | 01/17/1989 |
| 4794682 | Making a power source utilizing encapsulated lithium pellets A heat exchanger 16 for a thermal power source includes a chamber 18 provided with an igniter 28 and a reactant inlet 30. Within the chamber 18 is a mass of lithium pellets 10 and 12, each provided with a coating 14.... | 01/03/1989 |
| 4775432 | High molecular weight polycaprolactone prepolymers used in high-energy formulations Poly(caprolactone) polymers are provided having molecular weights of 4000 or higher, are used to form propellant binders. When the high molecular weight poly(caprolactone) polymers are used in propellant formulations and cured with isocyanates of adequate... | 10/04/1988 |
| 4747891 | Solid propellant containing an aziridinyl bonding agent The binder/charge adhesive of the present invention makes it possible to improve the bonding between the charges and the polyurethane binder of a propellent composition. This agent is an aminoaziridinylphosphine oxide of general formula: ##STR1## ... | 05/31/1988 |
| 4747892 | Melt-castable explosive composition A melt castable explosive composition not based on TNT is disclosed which consists essentially of about 10 to 20 weight percent of a matrix material having a melting temperature of about 60° to 100° C., up to about 0.5 weight percent of an emulsifying a... | 05/31/1988 |
| 4707199 | Non nitroglycerin-containing composite-modified double-base propellant The glycidyl azide polymer produced by hydrolysis of glycidyl chloride fowed by reaction with sodium azide is employed in a crosslinked composite-modified double-base propellant composition both in the casting powder portion and casting solvent portion a... | 11/17/1987 |
| 4664674 | Method of making a priming device for a heating unit A method of making priming devices for a fuel element is disclosed. A high quality priming device is obtained by treating suitable pieces of cellulose with catalyzing agents such as manganates or permanganates and with oxidizing agents such as inorganic o... | 05/12/1987 |
| 4658578 | Igniting rocket propellants under vacuum conditions Improved igniter compositions for rocket motors are provided which, when cured, are non-volatile and are capable of igniting under vacuum conditions and burning steadily at reduced pressures. Said igniter compositions comprise: (a) about 11% to about 13% ... | 04/21/1987 |
| 4655859 | Azido-based propellants A high energy, high performance, ultrahigh-burning rate composite propell results when 2-azidoethyl acrylate is copolymerized with acrylic acid and is employed as the binder system for the composite propellant. The energetic binder when used in an amount... | 04/07/1987 |
| 4655858 | Burning rate enhancement of solid propellants by means of metal/oxidant agglomerates Preformed metal/oxidant agglomerates for enhancement of propellant burning ate are prepared from a finely divided metal (aluminum, boron, titanium, etc.), ammonium perchlorate, and a small quantity of the same binder material that goes into the manufacture... | 04/07/1987 |
| 4597811 | Prevention of unwanted cure catalysis in isocyanate cured binders This disclosure identifies certain dicarboxylic acids (e.g., maleic and oic) and methods of use to obtain extended pot life in diisocyanate cured polymer systems such as hydroxy terminated polybutadienes, polyesters etc. These compounds also prevent cata... | 07/01/1986 |
| 4566919 | Sensitized cast emulsion explosive composition The invention relates to a cast explosive composition having a relatively high density and energy and a critical diameter no larger than about 150 mm at a temperature of 5° C. The composition comprises inorganic oxidizer salt consisting primarily of ammo... | 01/28/1986 |
| 4548659 | Cast emulsion explosive composition The invention relates to a cast explosive composition having a high density, energy and critical diameter and comprising inorganic oxidizer salt consisting primarily of ammonium nitrate, a water-immiscible organic liquid fuel, less than about 5% water, an... | 10/22/1985 |
| 4493741 | Amine salts as bonding agents The polyamine compound, TEPAN, a partially cyanoethylated tetraethylene pamine, is reacted with a selected ammonium salt to form an adduct of TEPAN and the selected ammonium salt. The ammonium salt is selected from ammonium perchlorate (AP), ammonium nit... | 01/15/1985 |
