Containing Free Phosphorus Or Binary Compound Of Phosphorus (except With Oxygen) Patents (Class 149/29)
-
Patent number: 8641842Abstract: Propellant compositions include an energetic binder, such as nitrocellulose, and a stabilized, encapsulated red phosphorous as a ballistic modifier. The propellant composition may additionally include an energetic plasticizer, such as nitroglycerine. For example, the propellant composition may be formed by mixing a double or multi base propellant that includes nitrocellulose plasticized with nitroglycerine with the stabilized, encapsulated red phosphorus. The propellant compositions may be substantially lead-free and may exhibit improved ballistic properties. Methods of forming such propellant compositions and an ordnance device including such propellant compositions are also disclosed.Type: GrantFiled: August 31, 2011Date of Patent: February 4, 2014Assignee: Alliant Techsystems Inc.Inventors: Matthew T. Hafner, Ruben Balangue, Danny D. Clark, John William Westbrook, III
-
Patent number: 8540828Abstract: A primer composition that includes red phosphorus having an acid scavenger and a polymer thereon. The primer composition includes at least one other component that is substantially free of lead. The other component is at least one oxidizer, or at least one oxidizer and at least one of at least one secondary explosive composition and at least one energetic binder. The primer composition optionally includes at least one element having an ionic charge to ionic radius ratio of 4 or of 8, such as magnesium, zirconium, aluminum, silicon, titanium, tungsten, alloys thereof, and combinations thereof. The red phosphorus and the at least one oxidizer are present in the primer composition at approximately stoichiometric amounts. An ordnance element including the primer composition is also disclosed.Type: GrantFiled: August 19, 2008Date of Patent: September 24, 2013Assignee: Alliant Techsystems Inc.Inventors: Randall T. Busky, Tod R. Botcher, Joel L. Sandstrom, Jack A. Erickson
-
Patent number: 8524018Abstract: A primer composition that includes stabilized, encapsulated red phosphorus, at least one oxidizer, at least one secondary explosive composition, at least one light metal, and at least one acid resistant binder. The stabilized, encapsulated red phosphorus may include particles of red phosphorus, a metal oxide coating, and a polymer layer. The metal oxide coating may be a coating of aluminum hydroxide, bismuth hydroxide, cadmium hydroxide, cerium hydroxide, chromium hydroxide, germanium hydroxide, magnesium hydroxide, manganese hydroxide, niobium hydroxide, silicon hydroxide, tin hydroxide, titanium hydroxide, zinc hydroxide, zirconium hydroxide, or mixtures thereof. The polymer layer may be a layer of epoxy resin, melamine resin, phenol formaldehyde resin, polyurethane resin, or mixtures thereof. A percussion cap primer that includes the primer composition, a tertiary explosive composition, and a cup is also disclosed, as are ordnance devices including the primer composition.Type: GrantFiled: December 23, 2010Date of Patent: September 3, 2013Assignee: Alliant Techsystems Inc.Inventors: Randall T. Busky, Tod R. Botcher, Joel Sandstrom, Jack Erickson
-
Publication number: 20130048163Abstract: Propellant compositions include an energetic binder, such as nitrocellulose, and a stabilized, encapsulated red phosphorous as a ballistic modifier. The propellant composition may additionally include an energetic plasticizer, such as nitroglycerine. For example, the propellant composition may be formed by mixing a double or multi base propellant that includes nitrocellulose plasticized with nitroglycerine with the stabilized, encapsulated red phosphorus. The propellant compositions may be substantially lead-free and may exhibit improved ballistic properties. Methods of forming such propellant compositions and an ordnance device including such propellant compositions are also disclosed.Type: ApplicationFiled: August 31, 2011Publication date: February 28, 2013Applicant: ALLIANT TECHSYSTEMS INC.Inventors: Matthew T. Hafner, Ruben Balangue, Danny D. Clark, John William Westbrook, III
-
Patent number: 8192567Abstract: A composite solid rocket propellant comprising a fuel, an oxidizer and a dicyclopentadiene binder is provided. The dicyclopentadiene binder may be mixed with the fuel and oxidizer as a monomer and then polymerized after mixing to form the composite solid propellant. The composite solid propellant may also comprise plasticizers, triphenylphosphine, lecithin or combinations thereof. Methods for making the composite solid rocket propellant of the present invention are also provided.Type: GrantFiled: April 7, 2008Date of Patent: June 5, 2012Assignee: Purdue Research FoundationInventors: Stephen D. Heister, Benjamin L. Austin, Jr., Jeremy Corpening
-
Publication number: 20120132099Abstract: A primer composition that includes red phosphorus having an acid scavenger and a polymer thereon. The primer composition includes at least one other component that is substantially free of lead. The other component is at least one oxidizer, or at least one oxidizer and at least one of at least one secondary explosive composition and at least one energetic binder. The primer composition optionally includes at least one element having an ionic charge to ionic radius ratio of 4 or of 8, such as magnesium, zirconium, aluminum, silicon, titanium, tungsten, alloys thereof, and combinations thereof. The red phosphorus and the at least one oxidizer are present in the primer composition at approximately stoichiometric amounts. An ordnance element including the primer composition is also disclosed.Type: ApplicationFiled: August 19, 2008Publication date: May 31, 2012Inventors: Randall T. Busky, Tod R. Botcher, Joel L. Sandstrom, Jack A. Erickson
-
Publication number: 20110100246Abstract: A primer composition that includes stabilized, encapsulated red phosphorus, at least one oxidizer, at least one secondary explosive composition, at least one light metal, and at least one acid resistant binder. The stabilized, encapsulated red phosphorus may include particles of red phosphorus, a metal oxide coating, and a polymer layer. The metal oxide coating may be a coating of aluminum hydroxide, bismuth hydroxide, cadmium hydroxide, cerium hydroxide, chromium hydroxide, germanium hydroxide, magnesium hydroxide, manganese hydroxide, niobium hydroxide, silicon hydroxide, tin hydroxide, titanium hydroxide, zinc hydroxide, zirconium hydroxide, or mixtures thereof. The polymer layer may be a layer of epoxy resin, melamine resin, phenol formaldehyde resin, polyurethane resin, or mixtures thereof. A percussion cap primer that includes the primer composition, a tertiary explosive composition, and a cup is also disclosed, as are ordnance devices including the primer composition.Type: ApplicationFiled: December 23, 2010Publication date: May 5, 2011Applicant: ALLIANT TECHSYSTEMS INC.Inventors: Randall T. Busky, Tod R. Botcher, Joel Sandstrom, Jack Erickson
-
Patent number: 7857921Abstract: A primer composition that includes stabilized, encapsulated red phosphorus, at least one oxidizer, at least one secondary explosive composition, at least one light metal, and at least one acid resistant binder. The stabilized, encapsulated red phosphorus may include particles of red phosphorus, a metal oxide coating, and a polymer layer. The metal oxide coating may be a coating of aluminum hydroxide, bismuth hydroxide, cadmium hydroxide, cerium hydroxide, chromium hydroxide, germanium hydroxide, magnesium hydroxide, manganese hydroxide, niobium hydroxide, silicon hydroxide, tin hydroxide, titanium hydroxide, zinc hydroxide, zirconium hydroxide, or mixtures thereof. The polymer layer may be a layer of epoxy resin, melamine resin, phenol formaldehyde resin, polyurethane resin, or mixtures thereof. A percussion cap primer that includes the primer composition, a tertiary explosive composition, and a cup is also disclosed, as are ordnance devices including the primer composition.Type: GrantFiled: March 2, 2006Date of Patent: December 28, 2010Assignee: Alliant Techsystems Inc.Inventors: Randall T. Busky, Tod R. Botcher, Joel Sandstrom, Jack Erickson
-
Publication number: 20090223612Abstract: A powdered fuel includes a powder including a material consisting of particles having a particle size distribution median and other statistical characteristics such that less than about 5% of the particles by weight have a size larger than an explosibility size limit for the material. The particle size distribution median and other statistical characteristics are selected based on the use of the powder as a substantially explosible fuel. In one embodiment the material is biomass. In other embodiments, the material is a metal material, a metal alloy, a metal oxide, a plastic material, or a hydrocarbon-bearing solid. A powdered fuel dispersion includes an oxidizing gas and a powdered fuel dispersed in the oxidizing gas at a ratio such that the powdered fuel dispersion is explosible. Proper control of the moving dispersion produces a stationary deflagrating wave that substantially consumes the fuel to produce energy.Type: ApplicationFiled: May 12, 2009Publication date: September 10, 2009Inventors: James K. McKnight, Edward Bacorn, Ken W. White
-
Patent number: 7338711Abstract: Nanoparticles having designed or engineered coatings that provide enhanced or improved characteristics to the coated nanoparticles and methods for forming the improved nanoparticles from oxide or ceramic coated nanoparticles.Type: GrantFiled: August 12, 2003Date of Patent: March 4, 2008Assignee: Quantum Logic Devices, Inc.Inventor: Louis Brousseau, III
-
Patent number: 6053108Abstract: A caseless propellant charge structure and sensitizer structure for safe ignition and cleaner gas generation. The sensitizer structure is comprised of a sensitizer material which is encapsulated in a protective binder material. The protective binder layer is broken during desired ignition in the combustion chamber. Meanwhile the propellant structure comprises an oxidizer rich layer which also contains fuel and a propellant layer. The oxidizer rich layer is adjacent the sensitizer structure in the strip assembly. The oxidizer rich layer allows ignition while foregoing the need for high concentration of oxidizer throughout the propellant structure thus reducing the mass of solids generated from the oxidizer combustion.Type: GrantFiled: January 13, 1998Date of Patent: April 25, 2000Assignee: Senco Products, Inc.Inventor: David L. Remerowski
-
Patent number: 5259899Abstract: Match head formulations suitable for the production of safety matches and matches that may be struck anywhere are described in which chromium compounds, sesqui-based phosphorus compounds, sulphur compounds and oxides of zinc are absent. In their place is described the use of either amorphous phosphorus or, in the case of match head formulations suitable for the production of safety matches, an iron phosphide known as ferrophosphorus. These formulations are environmentally friendly both in manufacture and use. Environmentally friendly match head formulations which may be brightly colored are also described.Type: GrantFiled: September 9, 1992Date of Patent: November 9, 1993Assignee: Bryant & May Ltd.Inventor: Michael G. C. Cox
-
Patent number: 4983234Abstract: A composition comprising phosphorus and a minor amount of at least one radical inhibitor selected from 4-(p-n-trophenyl-azo)-1-naphthol and mono and fused bi- and tri-cyclic compounds bearing at least a first and a second substituent, the first substituent being selected from hydroxy, mercapto, oxo, thioxo, the second substituent being selected from hydrogen, hydroxy and mercapto when the first substituent is hydroxy or mercapto and from oxo and thioxo, when the second substituent is oxo or thioxo, the second substituent being located on the same ring and ortho or para to the first substituent, other than anthraquinone or a substituted anthraquinone has reduced levels of phosphine emission. Munitions containing the composition as the charge are less susceptible to corrosion.Type: GrantFiled: May 29, 1990Date of Patent: January 8, 1991Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern IrelandInventors: John F. Alder, John J. McCallum
-
Patent number: 4832766Abstract: This invention relates to methods of controlling the generation and flow of fracto-emitted particles, preferably exo-electrons for purpose of enhancing chemical reactivity, e.g., the sensitivity of friction matches, or for purpose of diminishing chemical reactivity, e.g., stabilizing of explosives.Type: GrantFiled: July 1, 1987Date of Patent: May 23, 1989Assignee: Intermatch Sweden ABInventor: Stig Johansson
-
Patent number: 4728375Abstract: A pyrotechnic composition for producing a screen for blocking the passage of infra-red radiation and of light, comprises phosphorus, preferably red amorphous phosphorus, dispersed in a binding agent, for example rubber. The composition is produced by forming the binding agent into a gel with solvent, dispersing the phosphorus into the gel, evaporating off solvent, and comminuting the resulting solid material.Type: GrantFiled: April 4, 1984Date of Patent: March 1, 1988Assignee: Haley & Weller LimitedInventor: Geoffrey M. Simpson
-
Patent number: 4534810Abstract: A smoke-producing composition which will produce a dense smoke in about 5 conds and continues to produce a visible cloud having a duration of about 10 minutes for military screening operations in the field. The composition has critical limits in proportions and particle size for effective and efficient use in the 81 mm mortar cartridge. The composition consists essentially of 75 to 90 parts red phosphorus of 10.+-.5.mu. in size, 10 to 20 parts sodium nitrate of 30.+-.15.mu., and 4 to 10 parts of an epoxy binder. All parts being by weight.Type: GrantFiled: January 30, 1984Date of Patent: August 13, 1985Assignee: The United States of America as represented by the Secretary of the ArmyInventor: Charles A. Knapp
-
Patent number: 4503004Abstract: A method of molding a red phosphorous pyrotechnic mix containing an epoxy nder, which is markedly improved by the addition of silica.Type: GrantFiled: March 12, 1984Date of Patent: March 5, 1985Assignee: The United States of America as represented by the Secretary of the ArmyInventor: Peter D. Mirabella
-
Patent number: 4372210Abstract: An improved pyrotechnic cap which includes a plastic container having a quantity of pyrotechnic composition hermetically sealed therein. The cap is capable of being ignited by the radiant energy from an adjacent flashlamp to provide an audible signal of high intensity (e.g. 158 to 164 decibels at 25 centimeters). The improvement constitutes providing the composition with a quantity of desensitizing material (e.g. powdered polyethylene) which significantly decreases the cap's sensitivity to ignition by mechanical impact or crushing.Type: GrantFiled: January 10, 1979Date of Patent: February 8, 1983Assignee: GTE Products CorporationInventors: John W. Shaffer, Thomas L. Gavenonis
-
Patent number: 4238254Abstract: A pyrotechnic smoke charge which comprises guanidinium nitrate and (a) chlorohydrocarbons and a metal powder, of (b) red phosphorous, which can be partially replaced by a chlorohydrocarbon, and wherein said charge may optionally contain a small amount of a reaction regulating agent.Type: GrantFiled: May 7, 1979Date of Patent: December 9, 1980Assignee: Buck Chemisch-Technische Werke GmbH & Co.Inventors: Georg Prahauser, Alois Schiessl
-
Patent number: 4163682Abstract: A method for disposing of a pyrotechnic composition comprised of red phosrus, manganese dioxide, magnesium, zinc oxide and linseed oil, with at least fifty percent of the composition being red phosphorus. The composition is burned in a first enclosed chamber and the products of combustion are drawn into a second enclosed chamber and burned. The product gases from the second enclosed chamber are sprayed with water to form phosphoric acid which is collected. The ashes in the first enclosed chamber are sprayed with water to produce phosphine which is burned in the first enclosed chamber and the residue is an inert ash.Type: GrantFiled: October 5, 1978Date of Patent: August 7, 1979Assignee: The United States of America as represented by the Secretary of the NavyInventors: Francis E. Montgomery, James E. Short, Jr., William J. Weaver
-
Patent number: 4151233Abstract: An improved method for preparing a "plasticized" red phosphorous smoke ag through the steps comprising mixing particulate red phosphorous with a non-swollen, commercial latex polymer "plasticizer." In the preferred embodiment the latex polymer plasticizer is a butyl rubber.Type: GrantFiled: October 19, 1977Date of Patent: April 24, 1979Assignee: The United States of America as represented by the Secretary of the ArmyInventor: Raymond R. Fry, Jr.
-
Patent number: 4115522Abstract: The invention provides stabilized pulverulent red phosphorus. It comprises a homogeneous blend of red phosphorus particles with a size of at most about 2 mm and a metal compound of the second or third group of the Periodic System as an oxidation stabilizer, wherein the metal compound is the neutral aluminum, magnesium, calcium or zinc salt of orthophosphoric acid, the metal compound being present in the homogeneous blend in a proportion of about 0.5 to 5 weight %.Type: GrantFiled: July 11, 1977Date of Patent: September 19, 1978Assignee: Hoechst AktiengesellschaftInventors: Horst Staendeke, Franz-Josef Dany, Joachim Kandler
-
Patent number: 4113841Abstract: The invention provides stabilized pulverulent red phosphorus. It comprises a homogeneous blend of red phosphorus particles with a size of at most about 2 mm and a metal compound of the second or third group of the Periodic System as an oxidation stabilizer, wherein the metal compound is the aluminum, magnesium, calcium or zinc salt of an alkyl-, cycloalkyl-, aryl- or aralkylphosphonic acid having 1 to 20 carbon atoms, the metal compound being present in the homogeneous blend in a proportion of about 0.5 to 5 weight %.Type: GrantFiled: July 13, 1977Date of Patent: September 12, 1978Assignee: Hoechst AktiengesellschaftInventors: Horst Staendeke, Franz-Josef Dany, Joachim Kandler, Theodor Auel, Werner Kloss
-
Patent number: 4098872Abstract: The invention provides stabilized pulverulent red phosphorus. It comprises a homogeneous blend of red phosphorus particles with a size of at most about 2 mm and a metal compound of the second or third group of the Periodic System as an oxidation stabilizer, wherein the metal compound is the aluminum, magnesium, calcium or zinc salt of an acid orthophosphoric acid ester of a long chain aliphatic alcohol, which may be ethoxylated, or phenol, the metal compound being present in the homogeneous blend in a proportion of about 0.25 to 5 weight %.Type: GrantFiled: May 16, 1977Date of Patent: July 4, 1978Assignee: Hoechst AktiengesellschaftInventors: Horst Staendeke, Franz-Josef Dany, Joachim Kandler, Werner Klose
-
Patent number: 4018635Abstract: Phosphor-explosive material combination and method wherein a small amount of inorganic phosphor is mixed with explosive material to provide an indicia or label of information regarding the explosive, either before or after detonation of same. The phosphor can readily be located with an ultraviolet lamp even after the explosive has been detonated, and by correlating the phosphor emission spectra with data known about the explosive when it is manufactured, the explosive can be identified. Line-emitting phosphors are especially useful because of their distinctive emision characteristics, which provide a vast number of possible combinations of emissions which are correlated against the data known about the explosive when it is manufactured. Preferably the phosphor is formed as a combination of finely divided "spotter" phosphor and finely divided "coding" material held together by a binder in the form of small conglomerates, in order to facilitate initial location and later identification of same.Type: GrantFiled: March 27, 1973Date of Patent: April 19, 1977Assignee: Westinghouse Electric CorporationInventors: Frederick M. Ryan, Robert C. Miller
-
Patent number: 4013490Abstract: Phosphor-explosive material combination and method wherein a small amount of inorganic phosphor is mixed with explosive material to provide an indicia or label of information regarding the explosive, either before or after detonation of same. The phosphor can readily be located with an ultraviolet lamp even after the explosive has been detonated, and by correlating the phosphor emission spectra with data known about the explosive when it is manufactured, the explosive can be identified. Line-emitting phosphors are especially useful because of their distinctive emission characteristics, which provide a vast number of possible combinations of emissions which are correlated against the data known about the explosive when it is manufactured. Preferably the phosphor is formed as a combination of finely divided "spotter" phosphor and finely divided "coding" material held together by a binder in the form of small conglomerates, in order to facilitate initial location and later identification of same.Type: GrantFiled: August 12, 1974Date of Patent: March 22, 1977Assignee: Westinghouse Electric CorporationInventors: Frederick M. Ryan, Robert C. Miller
-
Patent number: 3944448Abstract: 1. Novel thixotropic, monopropellant compositions comprising a mixture of a solid fuel selected from the group consisting of inorganic phosphides, phosphide alloys and mixtures of these inorganic phosphides and phosphide alloys, a liquid oxidizer selected from the group consisting of nitric acid, nitric acid enriched with NO.sub.2, nitric acid enriched with NO.sub.2 and HF, nitrogen tetroxide, hydrogen peroxide, perchloryl fluoride, tetrafluorohydrazine, tetranitro methane and perchloric acid, and a thixotropic agent selected from the group consisting of particulated carbon and silica.Type: GrantFiled: April 22, 1964Date of Patent: March 16, 1976Assignee: Thiokol CorporationInventors: Bernard Marlowe, Stanley Tannenbaum
-
Patent number: 3942445Abstract: A friction igniter assembly for high altitude operation having a pull wire oated with a scratch sensitive composition which is moved through a chlorate composition. The scratch sensitive composition containing red phosphorus reacts with the chlorate to provide a flash which transfers ignition to an adjacent boron-lead dioxide composition. The boron-lead dioxide composition is the main igniting charge and provides an intense output of heat in a very short time for igniting a pyrotechnic composition.Type: GrantFiled: September 18, 1974Date of Patent: March 9, 1976Assignee: The United States of America as represented by the Secretary of the NavyInventors: Charles Baker, Benjamin F. Harkness, Alfred W. Norris
-
Patent number: RE29334Abstract: Phosphor-explosive material combination and method wherein a small amount of inorganic phosphor is mixed with explosive material to provide an indicia or label of information regarding the explosive, either before or after detonation of same. The phosphor can readily be located with an ultraviolet lamp even after the explosive has been detonated, and by correlating the phosphor emission spectra with data known about the explosive when it is manufactured, the explosive can be identified. Line-emitting phosphors are especially useful because of their distinctive emission characteristics, which provide a vast number of possible combinations of emission which are correlated against the data known about the explosive when it is manufactured. Preferably the phosphor is formed as a combination of finely divided "spotter" phosphor and finely divided "coding" material held together by a binder in the form of small conglomerates, in order to facilitate initial location and later identification of same.Type: GrantFiled: September 8, 1975Date of Patent: August 2, 1977Assignee: Westinghouse Electric CorporationInventors: Frederick M. Ryan, Robert C. Miller
-
Patent number: H705Abstract: In general, this invention relates to smoke-producing pellets for use in a mortar shell.More particularly, this invention relates to an improved process of making smoke-producing pellets for the 81 mm cartridge of the XM819 mortar shell.Type: GrantFiled: October 9, 1985Date of Patent: November 7, 1989Inventors: Joel H. Selzer, Michael D. Smith