Patents by Inventor Martin P. McGrath
Martin P. McGrath has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9120081Abstract: This invention relates to the field of heterogeneous catalysis, and more particularly to catalysts including carbon supports having formed thereon compositions which comprise a transition metal in combination with nitrogen and/or carbon. The invention further relates to the fields of catalytic oxidation and dehydrogenation reactions, including the preparation of secondary amines by the catalytic oxidation of tertiary amines and the preparation of carboxylic acids by the catalytic dehydrogenation of alcohols.Type: GrantFiled: February 26, 2014Date of Patent: September 1, 2015Assignee: Monsanto Technology LLCInventors: Fuchen Liu, Juan Arhancet, James P. Coleman, Martin P. McGrath
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Publication number: 20140235432Abstract: This invention relates to the field of heterogeneous catalysis, and more particularly to catalysts including carbon supports having formed thereon compositions which comprise a transition metal in combination with nitrogen and/or carbon. The invention further relates to the fields of catalytic oxidation and dehydrogenation reactions, including the preparation of secondary amines by the catalytic oxidation of tertiary amines and the preparation of carboxylic acids by the catalytic dehydrogenation of alcohols.Type: ApplicationFiled: February 26, 2014Publication date: August 21, 2014Applicant: Monsanto Technology LLCInventors: Fuchen Liu, Juan Arhancet, James P. Coleman, Martin P. McGrath
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Patent number: 8697904Abstract: This invention relates to the field of heterogeneous catalysis, and more particularly to catalysts including carbon supports having formed thereon compositions which comprise a transition metal in combination with nitrogen and/or carbon. The invention further relates to the fields of catalytic oxidation and dehydrogenation reactions, including the preparation of secondary amines by the catalytic oxidation of tertiary amines and the preparation of carboxylic acids by the catalytic dehydrogenation of alcohols.Type: GrantFiled: March 16, 2011Date of Patent: April 15, 2014Assignee: Monsanto Technology LLCInventors: James P. Coleman, Martin P. McGrath, Fuchen Liu, Juan Arhancet
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Publication number: 20110301381Abstract: This invention relates to the field of heterogeneous catalysis, and more particularly to catalysts including carbon supports having formed thereon compositions which comprise a transition metal in combination with nitrogen and/or carbon. The invention further relates to the fields of catalytic oxidation and dehydrogenation reactions, including the preparation of secondary amines by the catalytic oxidation of tertiary amines and the preparation of carboxylic acids by the catalytic dehydrogenation of alcohols.Type: ApplicationFiled: March 16, 2011Publication date: December 8, 2011Applicant: MONSANTO TECHNOLOGY LLCInventors: James P. Coleman, Martin P. McGrath, Fuchen Liu, Juan Arhancet
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Patent number: 7932419Abstract: This invention relates to the field of heterogeneous catalysis, and more particularly to catalysts including carbon supports having formed thereon compositions which comprise a transition metal in combination with nitrogen and/or carbon. The invention further relates to the fields of catalytic oxidation and dehydrogenation reactions, including the preparation of secondary amines by the catalytic oxidation of tertiary amines and the preparation of carboxylic acids by the catalytic dehydrogenation of alcohols.Type: GrantFiled: August 16, 2004Date of Patent: April 26, 2011Assignee: Monsanto Technology LLCInventors: Fuchen Liu, Juan Arhancet, James P. Coleman, Martin P. McGrath
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Publication number: 20100041546Abstract: An oxidation catalyst is prepared by pyrolyzing a source of iron and a source of nitrogen on a carbon support. Preferably, a noble metal is deposited over the modified support which comprises iron and nitrogen bound to the carbon support. The catalyst is effective for oxidation reactions such as the oxidative cleavage of tertiary amines to produce secondary amines, especially the oxidation of N-(phosphonomethyl)iminodiacetic acid to N-(phosphonomethyl)-glycine.Type: ApplicationFiled: October 23, 2009Publication date: February 18, 2010Applicant: MONSANTO TECHNOLOGY LLCInventors: James P. Coleman, Martin P. McGrath
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Publication number: 20080318768Abstract: This invention relates to the field of heterogeneous catalysis, and more particularly to catalysts including carbon supports having formed thereon compositions which comprise a transition metal in combination with nitrogen and/or carbon. The invention further relates to the fields of catalytic oxidation, including the preparation of secondary amines by the catalytic oxidation of tertiary amines.Type: ApplicationFiled: May 21, 2008Publication date: December 25, 2008Applicant: MONSANTO TECHNOLOGY LLCInventors: James P. Coleman, Martin P. McGrath, Fuchen Liu, Juan P. Arhancet
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Patent number: 7390920Abstract: This invention relates to the field of heterogeneous catalysis, and more particularly to catalysts including carbon supports having formed thereon compositions which comprise a transition metal in combination with nitrogen and/or carbon. The invention further relates to the fields of catalytic oxidation, including the preparation of secondary amines by the catalytic oxidation of tertiary amines.Type: GrantFiled: August 20, 2004Date of Patent: June 24, 2008Assignee: Monsanto Technology LLCInventors: James P. Coleman, Martin P. McGrath, Fuchen Liu, Juan Arhancet
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Patent number: 7129373Abstract: An oxidation catalyst is prepared by pyrolyzing a source of iron and a source of nitrogen on a carbon support. Preferably, a noble metal is deposited over the modified support which comprises iron and nitrogen bound to the carbon support. The catalyst is effective for oxidation reactions such as the oxidative cleavage of tertiary amines to produce secondary amines, especially the oxidation of N-(phosphonomethyl)iminodiacetic acid to N-(phosphonomethyl)glycine.Type: GrantFiled: February 14, 2003Date of Patent: October 31, 2006Assignee: Monsanto Technology LLCInventors: James P. Coleman, Martin P. McGrath
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Publication number: 20040010160Abstract: An oxidation catalyst is prepared by pyrolyzing a source of iron and a source of nitrogen on a carbon support. Preferably, a noble metal is deposited over the modified support which comprises iron and nitrogen bound to the carbon support. The catalyst is effective for oxidation reactions such as the oxidative cleavage of tertiary amines to produce secondary amines, especially the oxidation of N-(phosphonomethyl)iminodiacetic acid to N-(phosphonomethyl)-glycine.Type: ApplicationFiled: February 14, 2003Publication date: January 15, 2004Applicant: Monsanto Technology LLCInventors: James P. Coleman, Martin P. McGrath
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Publication number: 20030003021Abstract: A parallel reactor system and method therefor are disclosed. The parallel reactor is used to synthesize and/or screen multiple compounds or materials at the same time. Preferably, open-ended reactor vessels in the parallel reactor allow the pressure therein to remain substantially constant. An injection system delivers a specific mixture of gas to each reactor vessel. Preferably, the gas mixtures are delivered at substantially the same flow rate for some or all reactor vessels.Type: ApplicationFiled: June 5, 2002Publication date: January 2, 2003Applicant: Monsanto Technology LLCInventors: Martin P. McGrath, James P. Coleman, Robert C. Elliott
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Patent number: 6476256Abstract: A process for the preparation of an oxyacid of phosphorus comprising contacting elemental phosphorus with water in the presence of a catalyst effective to promote oxidation of phosphorus by reaction with water. The use of a noble metal catalyst such as Pd under moderate agitation and low severity conditions is effective for the preparation of P(III) oxyacid in high selectivity. Other suitable catalysts may comprise, for example, other Group VIII metals (particularly other platinum metals); oxides, salts, phosphides, and/or coordination compounds of Group VIII metals; Group IB metals; and/or oxides, salts, phosphides, and/or coordination is compounds of Group IB metals. Various apparatus and process schemes for the preparation of phosphoric and phosphorous acid are also disclosed.Type: GrantFiled: May 29, 2001Date of Patent: November 5, 2002Assignee: Monsanto CompanyInventors: Jerald D. Heise, Erik D. Sall, Martin P. McGrath
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Patent number: 6238637Abstract: A process for the preparation of an oxyacid of phosphorus comprising contacting elemental phosphorus with water in the presence of a catalyst effective to promote oxidation of phosphorus by reaction with water. The use of a noble metal catalyst such as Pd under moderate agitation and low severity conditions is effective for the preparation of P(III) oxyacid in high selectivity. Other suitable catalysts may comprise, for example, other Group VIII metals (particularly other platinum metals); oxides, salts, phosphides, and/or coordination compounds of Group VIII metals; Group IB metals; and/or oxides, salts, phosphides, and/or coordination compounds of Group IB metals. Various apparatus and process as schemes for the preparation of phosphoric and phosphorous acid are also disclosed.Type: GrantFiled: February 16, 1999Date of Patent: May 29, 2001Assignee: Monsanto CompanyInventors: Jerald Heise, Erik D. Sall, Martin P. McGrath
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Patent number: 5559193Abstract: A process for preparing a polyamine containing a controlled amount of pendant tertiary amine groups and a controlled amount of pendant secondary amine or different tertiary amine groups and reactive carbon-carbon double bonds comprising reductively animating essentially all aldehyde groups in a polyaldehyde containing a controlled amount of pendant aldehyde groups and reactive carbon-carbon double bonds with a first secondary amine to produce a poly(tertiary amine), hydroformylating the poly(tertiary amine) having a controlled amount of pendant aldehyde groups, and reductively aminating the poly(tertiary amine) with pendant aldehyde groups with a primary amine or a second secondary amine.Type: GrantFiled: December 20, 1993Date of Patent: September 24, 1996Assignee: Monsanto CompanyInventors: Martin P. McGrath, Samuel J. Tremont
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Patent number: 5457147Abstract: A process for preparing a controlled functional density poly(secondary amine) comprising: (a) contacting a polymer containing olefinic unsaturation with carbon monoxide in hydrogen under hydroformylation conditions in the presence of a hydroformylation catalyst to produce a controlled functional density polyaldehyde containing reactive carbon-carbon double bonds, and (b) contacting the polyaldehyde with hydrogen and a primary amine under reductive amination conditions in the presence of a ruthenium-containing imine hydrogenation catalyst or (b.sup.1) contacting the polyaldehyde with a sterically hindered aliphatic or cycloaliphatic primary amine or an aromatic primary amine under reductive amination conditions in the presence of an alkali metal borohydride to produce poly(secondary amine) having a substantially equivalent ratio of secondary amine groups to reactive carbon-carbon double bonds as the ratio of aldehyde groups to reactive carbon-carbon double bonds in the polyaldehyde.Type: GrantFiled: February 3, 1995Date of Patent: October 10, 1995Assignee: Monsato CompanyInventors: Martin P. McGrath, Samuel J. Tremont
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Patent number: 5457155Abstract: A process for preparing a controlled functional density poly(secondary amine) comprising: (a) contacting a polymer containing olefinic unsaturation with carbon monoxide in hydrogen under hydroformylation conditions in the presence of a hydroformylation catalyst to produce a controlled functional density polyaldehyde containing reactive carbon-carbon double bonds, and (b) contacting the polyaldehyde with hydrogen and a primary amine under reductive amination conditions in the presence of a ruthenium-containing imine hydrogenation catalyst or (b.sup.1) contacting the polyaldehyde with a sterically hindered aliphatic or cycloaliphatic primary amine or an aromatic primary amine under reductive amination conditions in the presence of an alkali metal borohydride to produce poly(secondary amine) having a substantially equivalent ratio of secondary amine groups to reactive carbon-carbon double bonds as the ratio of aldehyde groups to reactive carbon-carbon double bonds in the polyaldehyde.Type: GrantFiled: February 3, 1995Date of Patent: October 10, 1995Assignee: Monsanto CompanyInventors: Martin P. McGrath, Samuel J. Tremont
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Patent number: 5434309Abstract: A process for preparing a controlled functional density poly(secondary amine) comprising:(a) contacting a polymer containing olefinic unsaturation with carbon monoxide in hydrogen under hydroformylation conditions in the presence of a hydroformylation catalyst to produce a controlled functional density polyaldehyde containing reactive carbon-carbon double bonds, and (b) contacting the polyaldehyde with hydrogen and a primary amine under reductive amination conditions in the presence of a ruthenium-containing imine hydrogenation catalyst or (b.sup.1) contacting the polyaldehyde with a sterically hindered aliphatic or cycloaliphatic primary amine or an aromatic primary amine under reductive amination conditions in the presence of an alkali metal borohydride to produce poly(secondary amine) having a substantially equivalent ratio of secondary amine groups to reactive carbon-carbon double bonds as the ratio of aldehyde groups to reactive carbon-carbon double bonds in the polyaldehyde.Type: GrantFiled: April 28, 1994Date of Patent: July 18, 1995Assignee: Monsanto CompanyInventors: Martin P. McGrath, Samuel J. Tremont
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Patent number: 5382629Abstract: Vulcanizable rubber compositions are disclosed which contain co-activator of vulcanization which is a polymeric amine, that is, a hydrocarbon polymer with pendent alkyl amine groups. The co-activators impart increased rates of vulcanization with little decrease in scorch delay and very little increase in the modulus of the cured compositions. No increase in heat build-up or decrease in flex-fatigue life is shown. Typical polymers forming the backbone of the co-activators include EPDM rubber and polymers from butadiene or isoprene, with optional co-monomers.Type: GrantFiled: January 18, 1994Date of Patent: January 17, 1995Assignee: Monsanto CompanyInventors: Aubert Y. Coran, Samuel J. Tremont, Leonard H. Davis, Frederick Ignatz-Hoover, Martin P. McGrath
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Patent number: 5294675Abstract: Functionalized polymers manifesting exceptional stress-strain properties are prepared from polyols having terminal and nonterminal hydroxyl groups.Type: GrantFiled: April 12, 1993Date of Patent: March 15, 1994Assignee: Monsanto CompanyInventors: Denis Forster, Samuel J. Tremont, Martin P. McGrath, Erik D. Sall
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Patent number: 5232989Abstract: Functionalized polymers manifesting exceptional stress-strain properties are prepared from polyols having terminal and nonterminal hydroxyl groups.Type: GrantFiled: March 4, 1991Date of Patent: August 3, 1993Assignee: Monsanto CompanyInventors: Denis Forster, Samuel J. Tremont, Martin P. McGrath, Erik D. Sall