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Class 149/7 - Component base contains an inorganic explosive or inorganic thermic salt


Subclass of Class 149 - Explosive and thermic compositions or charges
Definition: Compositions or products in which the base (or support)
No. of patents: 69
Last issue date: 05/06/2008


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NumberTitleIssue Date
7367585Inflating device for an air bag of a vehicle
An inflating device has a casing, an air bag tray, an gas generating device and a check valve. The gas generating device is mounted on the casing and has a tube, an gas generator and a guiding plate. The tube extends into the casing and has an air channel and vents....
05/06/2008
7360479Non-explosive energetic material and a reactive armor element using same
The present invention provides elements for making a protective reactive armor to be fitted on the outside of an enclosure liable to be exposed to attack by shaped-charge warheads and other threats, such as kinetic energy projectiles and fragments, to thereby enhanc...
04/22/2008
7357061Non-explosive energetic material and a reactive armor element using same
The present invention provides elements for making a protective reactive armor to be fitted on the outside of an enclosure liable to be exposed to attack by shaped-charge warheads and other threats, such as kinetic energy projectiles and fragments, to thereby enhanc...
04/15/2008
7335270Gas generating composition and gas generator
A stable, low-temperature ignition gas generating composition has a heating starting temperature of 170 to 220° C. The gas generating composition includes ammonium perchlorate, a chlorine scavenger, and microcrystalline carbon powder. The chlorine scavenger is sodi...
02/26/2008
7137968Transcutaneous medical device dressings and method of use
A transcutaneous device dressing and method for its use with a transcutaneous medical device, such as an intravascular catheter, which punctures the skin of a patient and which has a portion of the medical device protruding from the skin which can lead to infection....
11/21/2006
7097674Diesel fuel compositions that contain glycerol acetal carbonates
A diese fuel composition containing a major proportion of at least one diesel fuel and a minor proportion of at least one glycerol acetal carbonate of the formulae: in which: R1...
08/29/2006
6951589Water in oil explosive emulsions
Water-in-oil emulsion explosive compositions comprising a) an aqueous oxidizer phase comprising at least one oxygen supplying component wherein said oxygen supplying component comprises at least 50% by weight of prilled agricultural grade ammonium nitrate, b) an org...
10/04/2005
6949236Aminosulfonate product-treated nitrogen-containing salt particles
Addition of an aminosulfonate product to an inorganic nitrogen-containing salt provides a composition of matter with improved properties. In particular, 2-acrylamido-2-methylpropanesulfonic acid and its derivatives can be added to ammonium nitrate to provide improve...
09/27/2005
6939389Method and apparatus for manufacturing fine powders
The manufacture of pure, fine spherical powders has always been a problem for many materials, particularly for high-melting and highly reactive materials such as titanium, tantalum, vanadium and zirconium. The present invention provides a process and apparatus for p...
09/06/2005
6905135Inflator system
Inflator module for inflating an airbag with gas including an elongate housing, an elongate block of propellant arranged in the housing and generating gas when burning and preferably, igniter material arranged on the propellant. The igniter material is substantially...
06/14/2005
6792867Method for producing chemical energy
Fluoroalkylsilane-coated metal particles having a central metal core, a buffer layer surrounding the core, and a fluoroalkylsilane layer attached to the buffer layer are prepared by combining a chemically reactive fluoroalkylsilane compound with an oxide coated meta...
09/21/2004
6736912Combustible compositions for air-augmented rocket engines
A solid combustible composition for use in solid fuel air-augmented rocket engines which very substantially increases the temperature efficiency of afterburner fuel combustion with ram air, thereby greatly increasing engine performance. The improvement comprises dis...
05/18/2004
6605167Autoignition material for a vehicle occupant protection apparatus
An autoignition material includes a plurality of agglomerates. Each agglomerate comprises an oxidizer material particle. A plurality of metal fuel particles are disposed on the oxidizer material particle. The metal fuel particles are present in a weight r...
08/12/2003
6077372Ignition enhanced gas generant and method
An ignition enhanced gas generant material and method of making the same utilizing a solvent effective to partially solubilize at least one component of each of a selected ignition composition and, upon application to the gas generant material, at least o...
06/20/2000
5976283Residue wax coated nitrate salt
Solvent is extracted by distillation from a residue filtrate generated in producing aluminium paste by filtering a slurry of aluminium particles, at least one fatty acid and a solvent. The distillation produces a residue wax. The wax is used to form a coa...
11/02/1999
5756928Spontaneously-firing explosive composition
A gas generator for an air bag is provided which contains a spontaneously-firing explosive composition in which at least one of a squib, igniting agent and a gas generant is contained in a casing formed of a light alloy material, the spontaneously-firing ...
05/26/1998
5728464Hydrogen generation pelletized fuel
Hydrogen generation system of the present invention are all demand systems that are operated to replenish hydrogen gas to a low pressure storage tank or vessel as hydrogen is drawn therefrom, providing a system that is suitable for use as a portable syste...
03/17/1998
5728969Preparation of AN-DNT-Al explosive
A granular explosive is obtained by mixing porous prill ammonium nitrate having an average particle size of 0.5 to 3.0 mm with a liquid aromatic dinitro compound and optionally a metal powder. Explosives having high sensitivity and power can be obtained b...
03/17/1998
5670739Two phase emulsion useful in explosive compositions
Provided is a two phase emulsion which is useful in preparing explosive compositions. The two phase emulsion is comprised of a blend of two water in oil emulsions. The two phase emulsion is comprised of a continuous oil matrix in which ammonium nitrate mi...
09/23/1997
5597977Hardened porous ammonium nitrate
The present invention is directed to hardening ammonium nitrate by combining ammonium nitrate with a functionally active polymer. A functionally active polymer may be combined with ammonium nitrate by itself as a shell or intermixed with the ammonium nitr...
01/28/1997
5486246High density ammonium nitrate prill and method of production of the same
The specification discloses a high density prill particularly useful for in an emulsion explosive composition and a method for making the prill, The prill comprises a porous ammonium nitrate matrix having a density of at least about 54 pounds per cubic fo...
01/23/1996
5454889Prill coating
The present invention is directed to intimately combining petroleum products with ammonium nitrate prills forming a coating thereon, whereby said coating is tackified and free flowing....
10/03/1995
5451277Preparing solid energetic compositions from coated particles and liquid oxidizers
Solid energetic compositions are prepared from powdered solid components such as metallic aluminum fuel and liquid oxidizers by forming a coating of polyvinyl alcohol over the powdered solid by precipitation from a solution of polyvinyl acetate, and combi...
09/19/1995
5123981Coated solid additives for explosives
In one aspect, the present invention relates to coating a solid which has acid or base sites on its surface with a surfactant having acid or base characteristics capable of neutralizing the acidic or basic characteristics of the solid surface. Said coatin...
06/23/1992
5120375Explosive with-coated solid additives
In one aspect, the present invention relates to coating a solid which has acid or base sites on its surface with a surfactant having acid or base characteristics capable of neutralizing the acidic or basic characteristics of the solid surface. Said coatin...
06/09/1992
5078813Exposive grade ammonium nitrate
An explosive-grade ammonium nitrate product dimensionally stabilized with a hydratable internal additive in an amount from 0.05 to 2.0% (wt/wt), having a bulk density in the range from 0.80 to 0.96 gm/cm3, exhibiting a porosity such that the pr...
01/07/1992
5034071Prill for emulsion explosives
The invention is directed to a blended explosive composition containing an emulsifier which is a derivative of polyisobutylene succinic anhydride and a prill having an internal additive of a naphthalene sulfonate surfactant and an external coating which m...
07/23/1991
4944816Ultra-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
4933029Water resistant ANFO compositions
A free-flowing granular explosive comprising of an oxidizing salt, fuel, a hydrophilic thickener and a hydrophobic compound. Upon water impingement the hydrophobic compound repels water from the surface of the oxidizing salt while the hydrophilic thickene...
06/12/1990
4889570Blasting explosive with improved water resistance
A blasting explosive having improved water resistance comprises a particulate blend of from about 5 to about 27 wt. % of a slurry explosive and from about 73 to about 95 wt. % of a mixture of ammonium nitrate particles and a liquid hydrocarbon fuel based ...
12/26/1989
4824495Combustible coatings as protective delay barriers
A combustible coating for providing a delay barrier to intrusion into an object. The coating contains a source of fuel as a metal and/or a polymer and a source of oxygen such as an oxidizer. The coating is ignitable at a temperature in excess of about 300...
04/25/1989
4756779Process for the production of particulate, water resistant explosives based on ammonium nitrate
An improved process for the manufacture of water resistant dry blasting agents. Powdered, solid, water blocking agent and solid fuel, if required, is added as a suspension in a liquid non-hydrating fuel phase to porous ammonium nitrate prills. The process...
07/12/1988
4698106Method for the manufacture of oxidizers of very large surface area and their use in high burning rate propellants
Solid oxidizer particles of ultrahigh surface area are produced by an etching process which includes employing selective extractants in a process which causes the formation of indentations and/or cavities on the surfaces of the oxidizer particles, and cre...
10/06/1987
4698107Gas generating material
Structure for generating nitrogen gas for inflating an air bag vehicle occupant restraint comprises a grain made of an azide based material which generates gas upon combustion. The grain has an ignition enhancing coating thereon consisting essentially of ...
10/06/1987
4654093Method of producing progressively burning artillery propellant powder and agent adapted thereto
The invention relates to a general method of producing progressively burning deterrent-coated powder, more particularly propellant powder for weapons having barrels. According to the method a film-forming, preferably polymerizable deterrent substance is f...
03/31/1987
4615751Explosive which includes an explosive emulsion
This invention relates to an explosive. In particular, the invention relates to an explosive of the emulsion type in which an oxidizing salt-containing component forms the discontinuous phase in an emulsion wherein the continuous phase comprises a fuel co...
10/07/1986
4452145Propellant for base-bleed gas generators and process for manufacturing it
Process for the manufacture of a propellant for base-bleed gas generators, thus for generators made of a gas-producing charge for the increase of range wherein a binder and one or more granular or powdery solid substances are used at least one of which is...
06/05/1984
4430132Desensitizing explosives
A process for desensitizing sensitive explosives materials such as RDX or HMX involves stirring a paste of the explosives material in a liquid medium, usually water, with a wax which will soften below the safe decomposition temperature of the explosives m...
02/07/1984
4405534Production of plastic-bonded explosive substances
A process for the production of plastic-bonded explosive substances wherein the binder is applied from aqueous dispersion is characterized in that polyurethanes applied in the absence of organic solvents are used as binder and in that the granulates obtai...
09/20/1983
4402705Incendiary composition containing a group IVB metallic fuel
The incendiary mass comprises a zirconium or titanium powder containing a mean grain size of 15-50 μm, to which there is added less than 2%-by-weight of an organic binder, in particular polyvinylacetate because small binder concentrations have a favorabl...
09/06/1983
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