Class 149/17 - Solid particles dispersed in solid solution or matrix

Subclass of Class 149 - Explosive and thermic compositions or charges
Definition: Product containing particulate material dispersed substantially
No. of patents: 37
Last issue date: 05/08/2012

Number	Title	Issue Date
8172964	Pyrophoric metal-carbon foam composites and methods of making the same A method for creating a pyrophoric material according to one embodiment includes thermally activating a carbon foam for creating micropores therein; contacting the activated carbon foam with a liquid solution comprising a metal salt for depositing metal ions in the ...	05/08/2012
7407598	Flame suppressant aerosol generant The present invention is directed to pyrotechnic aerosol fire suppression compositions that burn rapidly, but coolly. The rapid burning of the compositions of the present invention produces a voluminous flame-suppressive aerosol that is useful in suppressing and/or ...	08/05/2008
7192497	Thermally stable booster explosive and process for manufacture A thermally stable booster explosive and process for the manufacture of the explosive. The product explosive is 2,4,7,9-tetranitro-10H-benzo[4,5]furo[3,2-b]indole (TNBFI). A reactant/solvent such as n-methylpyrrolidone (NMP) or dimethyl formamide (DMF) is made sligh...	03/20/2007
7150855	Pelletized nitrocellulose (PNC) manufacture and long term storage A method of making pelletized nitrocellulose (PNC) includes preparing a lacquer, the lacquer comprising nitrocellulose (NC), ethyl acetate and ethyl centralite, the NC having a nitrogen content of at least about 12.2%; mixing the lacquer with an antisolvent to there...	12/19/2006
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
7022196	Propellant system for solid fuel rocket An oxidizer package for use in a solid fuel propellant system. The oxidizer package comprises a solid oxidizer in the form of discrete pellets of predetermined geometric shape. The pellets are arranged in an array with spaces amongst the pellets. A holder is provide...	04/04/2006
6962633	Amine azide propellant A novel family of amine azides having a cyclic structure therein is disclosed. These compounds have attractive properties as rocket propellants. ...	11/08/2005
6925937	Thermal generator for downhole tools and methods of igniting and assembly An ignition device for a downhole tool includes a body with a cavity, a thermite material and a resistive element within the cavity. The resistive element, which is heated to the high temperature needed for ignition of the thermite material, has a non-galvanic outer...	08/09/2005
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
6692655	Method of making multi-base propellants from pelletized nitrocellulose In this method for making multi-base propellants, pelletized nitrocellulose is coated with an electrostatically insensitive liquid elastomer precursor or non-plasticizer while wetted in a non-solvent diluent, preferably in the absence of plasticizers. The...	02/17/2004
6454886	Composition and method for preparing oxidizer matrix containing dispersed metal particles Disclosed are compositions comprising mixtures of metallic particles and solid oxidizer, and a method for preparing such compositions. The compositions comprise a homogeneous mixture of metallic particles and solid oxidizer wherein individual metallic par...	09/24/2002
6430920	Nozzleless rocket motor A solid rocket motor for accelerating a payload comprises a motor casing and a solid propellant matrix, utilizing a high burn-rate fuel. The use of a high burn rate fuel allows the rocket motor to operate in an end-burning fashion without the use of a con...	08/13/2002
6299654	Amine azides used as monopropellants The subjects of this patent are three amine azide monopropellants, dimethylaminoethylazide (DMAZ), pyrollidinylethylazide (PYAZ) and diethylaminoethylazide (DEAZ). Amine azides decompose on an iridium catalyst at 400° F. and have very low freezing points...	10/09/2001
6270836	Gel-coated microcapsules The invention relates to gel-coated microcapsules which have improved mechanical stress- and flame-resistance. A method for making the gel coated microcapsules is also provided. Phase change materials can be included in the microcapsules to provide therma...	08/07/2001
6217788	Fire suppression composition and device The present invention is directed to a fire suppression composition, comprising a propellant comprising a fuel and an oxidizer, said propellant capable of generating inert gas; and a fire suppression additive selected from the group consisting of iron-con...	04/17/2001
6210504	Tertiary amine azides in liquid or gel fuels in gas generator systems A liquid gas generator system supplies gas pressure only when it is needed. Hydrazine and hydrazine blends have been considered for liquid gas generators because of their ability to decompose at ambient conditions on an iridium catalyst to form warm (1000...	04/03/2001
6013143	Tertiary amine azides in hypergolic liquid or gel fuels propellant systems Inhibited Red Fuming Nitric Acid (IRFNA) type IIIB and monomethyl hydrazine (MMH) ignite when contacted with each other because of a hypergolic chemical reaction and are the preferred oxidizer and fuel for bipropellant rocket propulsion systems. These pro...	01/11/2000
5756006	Inert simulants for energetic materials A substantially inert composition has mechanical properties simulating corresponding properties of an energetic composition which may include a nitrate ester and may include a particulate organic energetic filler. A nitrate ester is replaced by a mixture ...	05/26/1998
5700974	Preparing consolidated thermite compositions An improved heat generating thermite composition suitable for use in an inflator of a motor vehicle airbag restraint system comprises a hard consolidated pellet, grain or wafer shaped formulation of a powdered metal fuel, a powdered metal oxide oxidizer, ...	12/23/1997
5668345	Airbag inflators employing coated porous substrates A hybrid inflator has porous substrate coated with a heat-producing, essentially non gas-producing composition for heating pressurized inflation gases in the inflator....	09/16/1997
5650590	Consolidated thermite compositions An improved heat generating thermite composition suitable for use in an inflator of a motor vehicle airbag restraint system comprises a hard consolidated pellet, grain or wafer shaped formulation of a powdered metal fuel, a powdered metal oxide oxidizer, ...	07/22/1997
5540793	Porous prilled ammonium nitrate A porous prilled product, particularly ammonium nitrate, and its method of preparation, which includes encapsulated microspheres, particularly polymer microballoons, which serve to reduce the density of the product. The invention also extends to an explosives ...	07/30/1996
5529647	Gas generant composition for use with aluminum components A gas generant composition adapted for use with airbag restraint systems containing aluminum components includes a fuel which is a tetrazole or a triazole, an oxidizer which is an ammonium, alkali metal and/or alkaline earth metal salt of a chlorate, perc...	06/25/1996
5189249	Gel propellant ammunition An insensitive gel propellant composition based on a fine-particle detonating high explosive which contains from about 10 to 15 wt. % water, and which will not ignite until subjected to a temperature of about 900 psi....	02/23/1993
5030301	Oxidizer coated metal fuels with means to prevent auto-ignition A metal fuel for producing power for propulsion is disclosed. The fuel is made up of a metal core, a metal barrier and an oxidizer layer. The combination of materials disclosed provides a means for melting the metal core so that it can be oxidized in an e...	07/09/1991
4880483	Pyrophoric composition Very good masking of pack diffusion aluminizing or chromizing on any metal to keep portions from being diffusion coated is effected by localized coating of masking powder, the metal portion of which can have some composition as substrates. Chromizing can ...	11/14/1989
4834818	Gas-generating composition Provided herein is a gas-generating composition which forms combustion residues that can be easily captured. The gas-generating composition is composed of an azide of alkali metal or alkaline earth metal, oxidizer, and 0.1 to 10 wt % of one or two kinds o...	05/30/1989
4743512	Method of manufacturing flat forms from metal powder and product formed therefrom A method of manufacturing a flat form from blended metallic powder including a major constituent by weight having a high melting point and a minor constituent by weiht having a substantially lower melting point includes selection of the powder to provide ...	05/10/1988
4718953	High explosive compound in nitrate salt matrix A novel heterogeneous, cap-sensitive high explosive is provided which comprises a crystalline inorganic nitrate salt having dispersed throughout the matrix of the salt crystal a hydroxyalkyl nitrate fuel. Particularly preferred are ammonium nitrate crysta...	01/12/1988
4303413	Oxygen gas generator and method of manufacturing the gas generator A gas generator is capable of being stored in a stable form for long periods of time without deteriorating in quality. The gas generator provides a substantial amount of gases, and particularly oxygen, carbon monoxide or carbon dioxide without producing a...	12/01/1981
4284617	Solid compositions for generation fluorine and gaseous fluorine compounds A novel solid composition and method for generating fluorine and gaseous orine components comprising fluorine rich inorganic oxidizing salts such as tetrafluoro ammonium tetrafluoroborate borofluoride and a high energy fuel selected from the group consis...	08/18/1981
4123303	Ignitable compositions A process for the preparation of an explosive delay composition consisting substantially of barium chromate and one or more fuels wherein the barium chromate is co-precipitated from solution at an elevated temperature in the presence of a suspension of fu...	10/31/1978
4120708	Nonmetallized solid fluorine oxidizer gas generator A solid laser oxidizer source suitable for use in a HF or DF chemical laser....	10/17/1978
4084992	Solid propellant with alumina burning rate catalyst Finely divided aluminum oxide increases the burning rate, reduces the pressure exponent at high pressures and stabilizes the combustion of solid propellant compositions....	04/18/1978
4016018	Method of preparing priming explosives A priming explosive is produced by mixing an aqueous solution of a finely divided explosive substance such as in colloidal form with a plastic polymeric carrier and a plasticizer whereby the explosive substance is rendered mechanically workable and has li...	04/05/1977
4003771	Solid grain fuels containing polyphosphonitrilics difluoride for chemical lasers This invention relates to laser fuels and, more specifically, to solid fuels suitable for use in a chemical laser....	01/18/1977
4000021	Process for suspending particulate additives in molten TNT Composite explosive slurries of good stability and flow properties are obned by dispersing particulate solid components, e.g. RDX, NH4 NO3 and Al, in molten TNT in the presence of a small amount of arabinogalactan or gum arabic to i...	12/28/1976

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Class 149/17 - Solid particles dispersed in solid solution or matrix