Polynitro Patents (Class 568/944)
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Patent number: 11926911Abstract: A process for the microfluidic electrochemical synthesis of geminal dipseudohalide or halide-pseudohalide compounds comprising the steps of pumping a solution comprising a compound of Formula I into a microfluidic electrochemical reactor in the presence of a base, one of a halide or pseudohalide salt (MY), and a mediator; applying an electrical current through the microfluidic electrochemical reactor; and performing oxidative addition to create a geminal dipseudohalide or halide-pseudohalide compound of the general Formula IIType: GrantFiled: January 12, 2023Date of Patent: March 12, 2024Assignee: United States of America as represented by the Secretary of the Air ForceInventors: Thorsten G. Schroer, Gregory E. LeCroy, Miguel Aguila, Mayra R. Rodriguez, Tyler J. Downard, Brianna L. MacLeod
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Publication number: 20140179936Abstract: A method producing a surfactant from glycerol by converting glycerol, in a first step, to glycidol, polymerizing glycidol to an aliphatic alcohol and finally substituting a hydroxyl group with a substitute anion.Type: ApplicationFiled: October 15, 2013Publication date: June 26, 2014Inventors: Andre Pienaar, Laurence Justin Pienaar Wilson, Michael Stockenhuber
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Patent number: 8704004Abstract: Disclosed is an energetic reactive plasticizer for a plastic bonded explosive (PBX), and specifically an energetic reactive plasticizer for PBX which has high performance and insensitiveness without a plasticizer leak by being bonded with a polymer binder for a plastic bonded explosive.Type: GrantFiled: February 7, 2013Date of Patent: April 22, 2014Assignee: Agency for Defense DevelopmentInventors: Young Hwan Kwon, Jin Seuk Kim, Bum Jae Lee, In Joo Bae
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Patent number: 8692036Abstract: The present invention relates to a method for preparing 2,3-dimethyl-2,3-dinitrobutane (DMNB), which includes the following steps: (1) making titanium-silicate molecular sieve catalyst, acetone, hydrogen peroxide and ammonia contact and react at 65-80° C. to obtain a modified titanium-silicate molecular sieve catalyst; and (2-1) making acetone oxime and hydrogen peroxide contact and react in the presence of the modified titanium-silicate molecular sieve catalyst and water under the conditions of temperature of 60-90° C. and pH of 8-10, and separating DMNB from the reaction products thereof; or (2-2) making acetone, ammonia and hydrogen peroxide contact and react in the presence of the modified titanium-silicate molecular sieve catalyst and water under the conditions of temperature of 60-90° C. and pH of 8-10, and separating DMNB from the reaction products thereof.Type: GrantFiled: September 5, 2011Date of Patent: April 8, 2014Assignee: Ningbo Institute of Technology, Zhejiang University, ZhejiangInventors: Shengjian Zhang, Yingxian Zhao, Hong Zhang
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Patent number: 8692031Abstract: A method for preparing a compound having formula (II) wherein R1 and R2 independently are methyl or ethyl, or R1 and R2 combine to form a C5 or C6 cycloalkyl or cycloalkenyl group. The method includes a step of combining R1R2CHNO2, glutaraldehyde and an amine. The compound is useful in coating compositions and other applications for pH adjustment.Type: GrantFiled: October 8, 2010Date of Patent: April 8, 2014Assignees: Dow Global Technologies LLC, ANGUS Chemical CompanyInventors: Ian Anthony Tomlinson, Glenn Nelson Robinson, Asghar Akber Peera
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Patent number: 8558038Abstract: A method producing a surfactant from glycerol by converting glycerol, in a first step, to glycidol, polymerizing glycidol to an aliphatic alcohol and finally substituting a hydroxyl group with a substitute anion.Type: GrantFiled: June 21, 2011Date of Patent: October 15, 2013Assignee: AEL Mining Services LimitedInventors: Andre Pienaar, Laurence Justin Pienaar Wilson, Michael Stockenhuber
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Patent number: 8519199Abstract: Provided is a process for the formation of 2-nitropropane and/or 2,2-dinitropropane by the nitration of propane with dilute nitric acid.Type: GrantFiled: April 8, 2009Date of Patent: August 27, 2013Inventors: Daniel M Trauth, Richard L James
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Publication number: 20130184504Abstract: The present invention relates to a method for preparing 2,3-dimethyl-2,3-dinitrobutane (DMNB), which includes the following steps: (1) making titanium-silicate molecular sieve catalyst, acetone, hydrogen peroxide and ammonia contact and react at 65-80° C. to obtain a modified titanium-silicate molecular sieve catalyst; and (2-1) making acetone oxime and hydrogen peroxide contact and react in the presence of the modified titanium-silicate molecular sieve catalyst and water under the conditions of temperature of 60-90° C. and pH of 8-10, and separating DMNB from the reaction products thereof; or (2-2) making acetone, ammonia and hydrogen peroxide contact and react in the presence of the modified titanium-silicate molecular sieve catalyst and water under the conditions of temperature of 60-90° C. and pH of 8-10, and separating DMNB from the reaction products thereof.Type: ApplicationFiled: September 5, 2011Publication date: July 18, 2013Applicant: NINGBO INSTITUE OF TECHNOLOGY ZHEJIANG ZHEJIANDInventors: Shengjian Zhang, Yingxian Zhao, Hong Zhang
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Publication number: 20130090497Abstract: A method producing a surfactant from glycerol by converting glycerol, in a first step, to glycidol, polymerizing glycidol to an aliphatic alcohol and finally substituting a hydroxyl group with a substitute anion.Type: ApplicationFiled: June 21, 2011Publication date: April 11, 2013Applicant: AEL MINING SERVICES LIMITEDInventors: Andre Pienaar, Laurence Justin Pienaar Wilson, Michael Stockenhuber
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Publication number: 20110092748Abstract: Disclosed are a process and an apparatus for synthesizing nitroalkanes by reaction of a hydrocarbon feedstock with aqueous nitric acid. Energy and capital costs may be reduced by recycling a majority of the aqueous phase back to the reactor.Type: ApplicationFiled: September 10, 2010Publication date: April 21, 2011Applicants: DOW GLOBAL TECHNOLOGIES INC., ANGUS CHEMICAL COMPANYInventors: Mahesh Sawant, Daniel M. Trauth, John G. Pendergast, JR.
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Publication number: 20110028731Abstract: Provided is a process for the formation of 2-nitropropane and/or 2,2-dinitropropane by the nitration of propane with dilute nitric acid.Type: ApplicationFiled: April 8, 2009Publication date: February 3, 2011Inventors: Daniel M. Trauth, Richard L. James
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Publication number: 20090299106Abstract: A highly energy-producing compound which can be used, for example, as an explosive, propellant, oxidant and the like, and which includes an alkyne unit in which at least one hydrogen atom has been replaced by a trinitromethyl —C(NO2)3 group.Type: ApplicationFiled: September 22, 2006Publication date: December 3, 2009Applicant: Diehl BGT Defence GmbH & Co., KGInventor: Ernst-Christian Koch
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Publication number: 20090038953Abstract: A method for the electrochemical synthesis of dinitro compounds is disclosed. The method comprises using an anode to oxidize an inactive chemical mediator, such as a ferrocyanide (Fe(CN)6?4) ion, to an active chemical mediator or oxidizing agent, such as a ferricyanide (Fe(CN)6?3) ion, in the presence of a differential voltage. The oxidizing agent reacts with a nitro compound and a nitrite ion to form a geminal dinitro compound. The anode may continuously oxidize ferrocyanide to regenerate active ferricyanide, thus keeping sufficient amounts of ferricyanide available for reaction.Type: ApplicationFiled: August 8, 2007Publication date: February 12, 2009Inventors: Tedd Edward Lister, Robert Vincent Fox
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Patent number: 7208637Abstract: Disclosed are novel compounds that can be used as an energetic binder used for improving the performance and the properties of a high explosive, and a preparation method thereof.Type: GrantFiled: April 22, 2004Date of Patent: April 24, 2007Assignee: Agency for Defence a Korean Non-Profit Org.Inventors: Jin Seuk Kim, Jin Rai Cho, Keun Deuk Lee, Jae Kyoung Kim
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Patent number: 6911328Abstract: The present invention includes a method for producing 2,3-dimethyl-2,3-dinitrobutane, particularly in high yields, using a peroxidase enzyme site and reacting propane-2-nitronate at the enzyme under appropriate conditions. Peroxidases such as chloroperoxidase, soybean peroxidase and horseradish peroxidase are used. High yields include those amounts that increasingly aid in the manufacture of commercial quantities of 2,3-dimethyl-2,3-dinitrobutane.Type: GrantFiled: September 4, 2002Date of Patent: June 28, 2005Assignee: The United States of America as represented by the Secretary of the NavyInventors: Angel A. Fitzgerald, Alfredo N. Rayms-Keller
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Patent number: 6888030Abstract: Inclusion of a branched alcohol in the catalytic hydrogenation reaction involving an aliphatic nitro compound dramatically increases the efficiency of the conversion of nitro groups into amino groups. This discovery is of particular value in the production of polyalkyleneamines via nitration of a polyalkene, such as a polybutene, and its subsequent reduction. The polyalkyleneamines so produced are useful as dispersant additives for motor oils and fuels.Type: GrantFiled: October 22, 2002Date of Patent: May 3, 2005Assignee: Huntsman Petrochemical CorporationInventors: Wei-Yang Su, Wheeler C. Crawford, John M. Larkin
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Patent number: 6670506Abstract: A method of synthesis of dinitro-diaza-alkanes and intermediate products thereto from alkylamines and esters, whereby a dialkyl ester of a dicarboxylic acid is reacted with an alkylamine in an aqueous medium to form the corresponding dialkyldiamide of the dicarboxylic acid; the resulting dialkyldiamide is nitrated by means of conventional nitration agents to form the corresponding dialkyldinitroamide of the dicarboxylic acid and; the resulting dialkyldinitroamide is reacted with methylamine and/or ethylamine in an aquous medium to yield a corresponding alkylnitroamine and the dimethyldiamide and/or diethyldiamide of the dicarboxylic acid, and the alkylnitroamine is isolated from that, and the isolated alkylnitroamine is condensed in a known manner to form the dinitro-diaza-alkanes.Type: GrantFiled: November 1, 2001Date of Patent: December 30, 2003Assignee: Nitrochemie Achau GmbHInventor: Thomas Knott
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Patent number: 6572717Abstract: The invention relates to crystalline hydrazinium nitroformate having a length to diameter ratio of at most 2.5 and a sensitivity to friction and shock not below 20 N and 2 J, respectively, as well as to a method for the preparation thereof.Type: GrantFiled: March 16, 2001Date of Patent: June 3, 2003Assignee: Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek TnoInventors: Jeroen Louwers, Antonius Eduard Dominicus Maria Van Der Heijden
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Patent number: 6340780Abstract: A method of preparing dinitromethane salts usable as intermediate products add starting material for production of explosives and propellants. Substituted 1,2-diazoles, 1,2,4 -triazoles or 1,3-diazines, such as barbituric acid, are nitrated to obtain a gem-dinitro group on a carbon atom in the heterocyclic ring. The product is hydrolysed to split off dinitromethane which is neutralised with a neutralising agent to obtain a corresponding salt of dinitromethane.Type: GrantFiled: June 7, 2001Date of Patent: January 22, 2002Assignee: Totalfürsvarets ForskningsinstitutInventors: Nikolai Latypov, Ulf Wellmar, Abraham Langlet
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Patent number: 5879420Abstract: Reaction products of polyisobutenes having an average degree of polymerization P of from 10 to 100 and a content E of from 60 to 90% of double bonds which can react with maleic anhydride, E=100% corresponding to the theoretical value for the case where each molecule of the polyisobutene has such a reactive double bond, with oxides of nitrogen or mixtures of oxides of nitrogen and oxygen, are suitable as additives for fuels, in particular for gasoline engines, and for lubricants.Type: GrantFiled: January 21, 1997Date of Patent: March 9, 1999Assignee: BASF AktiengesellschaftInventors: Rudolf Kropp, Eckhard Hickmann, Klaus Ebel, Wolfgang Gunther, Hans Peter Rath, Harald Schwahn
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Patent number: 5631406Abstract: Dichloroformals of the formula(RCH.sub.2 O).sub.2 CCl.sub.2wherein R is --C(NO.sub.2).sub.3, --CF(NO.sub.2).sub.2, --CF.sub.2 (NO.su), --CCl(NO.sub.2).sub.2, --C(NO.sub.2).sub.2 CH.sub.3, --CCl.sub.3, --CF.sub.3, or --CF.sub.2 CF.sub.3. These dichloroformals are prepared by reacting the corresponding thionocarbonate of the formula(RCH.sub.2 O).sub.2 C.dbd.S,wherein R is as defined above, with sulfuryl chloride in the presence of a Friedel-Craft catalyst (e.g., AlCl.sub.3 or TiCl.sub.4). Another method is to react the thionocarbonate with chlorine gas in the presence of a polar additive such as 2,2,2-trifluoroethanol or acetonitrile. These energetic dichloroformals are useful as explosive and propellant ingredients and as intermediates in the synthesis of other energetic explosive and propellant ingredients.Type: GrantFiled: March 30, 1981Date of Patent: May 20, 1997Assignee: The United States of America as represented by the Secretary of the NavyInventor: William H. Gilligan
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Patent number: 5557015Abstract: The invention relates to a method of preparing hydrazine nitroform (HNF) by dissolving nitroform of a purity of more than 98.5 wt % in a solvent and reacting it with hydrazine in the presence of a small amount of proton-transferring medium.Type: GrantFiled: May 30, 1995Date of Patent: September 17, 1996Assignee: Aerospace Propulsion Products B.V.Inventors: Fransiscus W. M. Zee, Johannes M. Mul, Arie C. Hordijk
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Patent number: 5235119Abstract: An efficient direct functionalization of nitrocubanes has been achieved by irradiation of a solution in an oxalyl halide to yield halogenated and halocarbonylated derivatives of nitrocubanes.Type: GrantFiled: October 1, 1992Date of Patent: August 10, 1993Assignee: The United States of America as represented by the Secretary of the ArmyInventor: Abdollah Bashir-Hashemi
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Patent number: 5214222Abstract: An efficient direct functionalization of nitrocubanes has been achieved by rradiation of a solution in an oxalyl halide to yield halogenated and halocarbonylated derivatives of nitrocubanes.Type: GrantFiled: October 1, 1992Date of Patent: May 25, 1993Assignee: The United States of America as represented by the Secretary of the ArmyInventor: Abdollah Bashir-Hashemi
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Patent number: 5214221Abstract: An efficient direct functionalization of nitrocubanes has been achieved by rradiation of a solution in an oxalyl halide to yield halogenated and halocarbonylated derivatives of nitrocubanes.Type: GrantFiled: October 1, 1992Date of Patent: May 25, 1993Assignee: The United States of America as represented by the Secretary of the ArmyInventor: Abdollah Bashir-Hashemi
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Patent number: 4713232Abstract: A process for the management of by-product tetranitromethane (TNM) which avoids the hazards of the prior art isolation or extraction procedures. A selected in-plant liquid or vapor stream, or a reactor off-gas stream from nitration or nitric acid oxidation plant, which contains TNM, is heated to effectively pyrolyze the TNM without undue losses of nitric acid values.Type: GrantFiled: August 13, 1986Date of Patent: December 15, 1987Assignee: C-I-L Inc.Inventors: Chang-Hwa Chin, Anthony C. F. Edmonds, Colin M. Evans
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Patent number: 4594430Abstract: Geminal dinitro compounds are prepared by reacting an organic nitro compound having a replaceable hydrogen on the carbon to which the nitro group is attached with a source of nitrite ions in the presence of an oxidizing agent and a catalytic amount of an alkali metal ferricyanide.Type: GrantFiled: January 31, 1985Date of Patent: June 10, 1986Assignee: United States of America as represented by the Secretary of the Air ForceInventors: Vytautas Grakauskas, Lee C. Garver, Kurt Baum
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Patent number: 4567004Abstract: Monomethyl-substituted methylene compounds are obtained by reacting methylene compounds of the formula ##STR1## in which R.sup.1 and R.sup.2 independently of one another represent --CN, --CO--R.sup.3, --SO.sub.2 --R.sup.3 or --NO.sub.2 andR.sup.1 can additionally denote -aryl(R.sup.1).sub.n,whereinR.sup.3 denotes --OH, alkyl, aralkyl, aryl, alkoxy, aralkoxy or aryloxy, or amino which is substituted by alkyl and/or aralkyl and/or aryl, and furthermoretwo radicals R.sup.3 together can be an alkylene group, the radical of an aliphatic diol or of an aliphatic diamine or the group --NH--CO--NH-- and n represents 1, 2 or 3,with formaldehyde and with hydrogen in the presence of a condensation catalyst and a hydrogenation catalyst at elevated temperature, the methylene compound being introduced into the liquid phase of the mixture of reactants in the course of the reaction.Type: GrantFiled: July 18, 1984Date of Patent: January 28, 1986Assignee: Bayer AktiengesellschaftInventors: Heinz U. Blank, Erich Wolters
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Patent number: H350Abstract: An energetic plasticizer which is a mixture of bis(2,2,2-trinitroethyl)fol, bis(2,2-dinitropropyl)formal, and a new compound 2,2-dinitropropyl 2,2,2-trinitroethyl formal.Type: GrantFiled: April 27, 1987Date of Patent: October 6, 1987Assignee: The United States of America as represented by the Secretary of the NavyInventors: Horst D. Adolph, Kyung E. Kim
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Patent number: H351Abstract: 4,4,10,10-tetranitro-6,8-dioxatridecane-1,13-diol polyformal, HO(CH.sub.2ub.3 C(NO.sub.2).sub.2 CH.sub.2 OCH.sub.2 OCH.sub.2 C(NO.sub.2).sub.2 (CH.sub.2).sub.3 O[CH.sub.2 O(CH.sub.2).sub.3 C(NO.sub.2).sub.2 CH.sub.2 OCH.sub.2 OCH.sub.2 C(NO.sub.2).sub.2 (CH.sub.2).sub.3 O].sub.n H, which has high energy, high thermal stability, and which is useful as a prepolymer for plastic-bonded explosive compositions.Type: GrantFiled: April 27, 1987Date of Patent: October 6, 1987Assignee: The United States of America as represented by the Secretary of the NavyInventors: Kyung E. Kim, Horst G. Adolph