Patents by Inventor Matthew Richard Oberholzer
Matthew Richard Oberholzer 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: 11976089Abstract: Solid forms of L-glufosinate materials, including crystalline L-glufosinate ammonium, are described.Type: GrantFiled: March 8, 2023Date of Patent: May 7, 2024Assignee: BASF SEInventors: Stephen Craig Fields, Matthew Richard Oberholzer, Brian Michael Green, Samir Kulkarni, Jennifer Nelson, Patricia Andres
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Publication number: 20240132459Abstract: The present invention provides a method for preparing a compound of Formula C, Formula D, or Formula F: wherein each R1, R2, and R3 is independently H, SF5, N(C1-C8 alkyl)(C1-C8 alkyl), C(?S)N(C1-C8 alkyl)(C1-C8 alkyl), SO2N(C1-C8 alkyl)(C1-C8 alkyl), OSO2(C1-C8 alkyl), OSO2N(C1-C8 alkyl)(C1-C8 alkyl), N(C1-C8 alkyl)SO2(C1-C8 alkyl), or C1-C8 alkyl, C1-C8 haloalkyl, C2-C8 alkenyl, C2-C8 alkynyl, C3-C10 cycloalkyl, C3-C10 halocycloalkyl, C4-C10 alkylcycloalkyl, C4-C10 cycloalkylalkyl, C6-C14 cycloalkylcycloalkyl, C5-C10 alkylcycloalkylalkyl, C3-C8 cycloalkenyl, C1-C8 alkoxy, C1-C8 haloalkoxy, C3-C8 cycloalkoxy, C3-C8 halocycloalkoxy, C4-C10 cycloalkylalkoxy, C2-C8 alkenyloxy, C2-C8 alkynyloxy, C1-C8 alkylthio, C1-C8 alkylsulfinyl, C1-C8 alkylsulfonyl, C3-C8 cycloalkylthio, C3-C8 cycloalkylsulfinyl, C3-C8 cycloalkylsulfonyl, C4-C10 cycloalkylalkylthio, C4-C10 cycloalkylalkylsulfinyl, C4-C10 cycloalkylalkylsulfonyl, C2-C8 alkenylthio, C2-C8 alkenylsulfinyl, C2-C8 alkenylsulfonyl, C2-C8 alkynylthio, C2-C8 alkType: ApplicationFiled: January 3, 2024Publication date: April 25, 2024Applicant: CORTEVA AGRISCIENCE LLCInventors: ALBERT LOREN CASALNUOVO, TY WAGERLE, JUN YAN, ERIN DEMKO, MATTHEW RICHARD OBERHOLZER, RAFAEL SHAPIRO
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Patent number: 11897909Abstract: Solid forms of L-glufosinate materials, including crystalline L-glufosinate ammonium, are described.Type: GrantFiled: March 8, 2023Date of Patent: February 13, 2024Assignee: BASF SEInventors: Stephen Craig Fields, Matthew Richard Oberholzer, Brian Michael Green, Samir Kulkarni, Jennifer Nelson, Patricia Andres
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Patent number: 11897854Abstract: The present invention provides a method for preparing a compound of Formula C, Formula D, or Formula F: wherein each R1, R2, and R3 is independently H, SFs, N(C1-C8 alkyl)(C1-C8 alkyl), C(?S)N(C1-C8 alkyl)(C1-C8 alkyl), SO2N(C1-C8 alkyl)(C1-C8 alkyl), OSO2(C1-C8 alkyl), OSO2N(C1-C8 alkyl)(C1-C8 alkyl), N(C1-C8 alkyl)SO2(C1-C8 alkyl), or C1-C8 alkyl, C1-C8 haloalkyl, C2-C8 alkenyl, C2-C8 alkynyl, C3-C10 cycloalkyl, C3-C10 halocycloalkyl, C4-C10 alkylcycloalkyl, C4-C10 cycloalkylalkyl, C6-C14 cycloalkylcycloalkyl, C5-C10 alkylcycloalkylalkyl, C3-C8 cycloalkenyl, C1-C8 alkoxy, C1-C8 haloalkoxy, C3-C8 cycloalkoxy, C3-C8 halocycloalkoxy, C4-C10 cycloalkylalkoxy, C2-C8 alkenyloxy, C2-C8 alkynyloxy, C1-C8 alkylthio, C1-C8 alkylsulfinyl, C1-C8 alkylsulfonyl, C3-C8 cycloalkylthio, C3-C8 cycloalkylsulfinyl, C3-C8 cycloalkylsulfonyl, C4-C10 cycloalkylalkylthio, C4-C10 cycloalkylalkylsulfinyl, C4-C10 cycloalkylalkylsulfonyl, C2-C8 alkenylthio, C2-C8 alkenylsulfinyl, C2-C8 alkenylsulfonyl, C2-C8 alkynylthio, C2-C8 alkType: GrantFiled: April 19, 2022Date of Patent: February 13, 2024Inventors: Albert Loren Casalnuovo, Ty Wagerle, Jun Yan, Erin Demko, Matthew Richard Oberholzer, Rafael Shapiro
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Patent number: 11897908Abstract: Solid forms of L-glufosinate materials, including crystalline L-glufosinate ammonium, are described.Type: GrantFiled: March 8, 2023Date of Patent: February 13, 2024Assignee: BASF SEInventors: Stephen Craig Fields, Matthew Richard Oberholzer, Brian Michael Green, Samir Kulkarni, Jennifer Nelson, Patricia Andres
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Publication number: 20230331749Abstract: Compositions and methods for isolating L-glufosinate from a composition comprising L-glufosinate and glutamate are provided. The method comprises converting the glutamate to pyroglutamate followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The composition comprising L-glufosinate and glutamate is subjected to an elevated temperature for a sufficient time to allow for the conversion of glutamate to pyroglutamate, followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The glutamate alternatively may be converted to pyroglutamate by enzymatic conversion. The purified L-glufosinate is present in a final composition at a concentration of 90% or greater of the sum of L-glufosinate, glutamate, and pyroglutamate.Type: ApplicationFiled: March 8, 2023Publication date: October 19, 2023Inventors: Stephen Craig Fields, Matthew Richard Oberholzer, Brian Michael Green, Samir Kulkarni, Jennifer Nelson, Patricia Andres
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Publication number: 20230286939Abstract: Disclosed are three-component crystals comprising compounds of Formula II, compounds of Formula III and an amine base in an equimolar ratio (1:1:1). Also disclosed are methods for preparing the three-component crystals comprising compounds of Formula II, compounds of Formula III and an amine base in an equimolar ratio (1:1:1). Further disclosed are methods for the preparation of chlorantraniliprole using the three-component crystals of the disclosure.Type: ApplicationFiled: July 22, 2021Publication date: September 14, 2023Inventors: Kåre SØNDERGAARD, Kim LUNDKVIST, Jack K. VINTHER, Matthew Richard OBERHOLZER, Erin Gallagher DEMKO, Steven T. BOOTH
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Publication number: 20230219985Abstract: Compositions and methods for isolating L-glufosinate from a composition comprising L-glufosinate and glutamate are provided. The method comprises converting the glutamate to pyroglutamate followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The composition comprising L-glufosinate and glutamate is subjected to an elevated temperature for a sufficient time to allow for the conversion of glutamate to pyroglutamate, followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The glutamate alternatively may be converted to pyroglutamate by enzymatic conversion. The purified L-glufosinate is present in a final composition at a concentration of 90% or greater of the sum of L-glufosinate, glutamate, and pyroglutamate.Type: ApplicationFiled: March 8, 2023Publication date: July 13, 2023Inventors: Stephen Craig Fields, Matthew Richard Oberholzer, Brian Michael Green, Samir Kulkarni, Jennifer Nelson, Patricia Andres
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Publication number: 20230219984Abstract: Compositions and methods for isolating L-glufosinate from a composition comprising L-glufosinate and glutamate are provided. The method comprises converting the glutamate to pyroglutamate followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The composition comprising L-glufosinate and glutamate is subjected to an elevated temperature for a sufficient time to allow for the conversion of glutamate to pyroglutamate, followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The glutamate alternatively may be converted to pyroglutamate by enzymatic conversion. The purified L-glufosinate is present in a final composition at a concentration of 90% or greater of the sum of L-glufosinate, glutamate, and pyroglutamate.Type: ApplicationFiled: March 8, 2023Publication date: July 13, 2023Inventors: Stephen Craig Fields, Matthew Richard Oberholzer, Brian Michael Green, Samir Kulkarni, Jennifer Nelson, Patricia Andres
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Patent number: 11634442Abstract: Compositions and methods for isolating L-glufosinate from a composition comprising L-glufosinate and glutamate are provided. The method comprises converting the glutamate to pyroglutamate followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The composition comprising L-glufosinate and glutamate is subjected to an elevated temperature for a sufficient time to allow for the conversion of glutamate to pyroglutamate, followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The glutamate alternatively may be converted to pyroglutamate by enzymatic conversion. The purified L-glufosinate is present in a final composition at a concentration of 90% or greater of the sum of L-glufosinate, glutamate, and pyroglutamate.Type: GrantFiled: July 17, 2018Date of Patent: April 25, 2023Assignee: BASF SEInventors: Stephen Craig Fields, Matthew Richard Oberholzer, Brian Michael Green, Samir Kulkarni, Jennifer Nelson, Patricia Andres
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Publication number: 20220242839Abstract: The present invention provides a method for preparing a compound of Formula C, Formula D, or Formula F: wherein each R1, R2, and R3 is independently H, SFs, N(C1-C8 alkyl)(C1-C8 alkyl), C(?S)N(C1-C8 alkyl)(C1-C8 alkyl), SO2N(C1-C8 alkyl)(C1-C8 alkyl), OSO2(C1-C8 alkyl), OSO2N(C1-C8 alkyl)(C1-C8 alkyl), N(C1-C8 alkyl)SO2(C1-C8 alkyl), or C1-C8 alkyl, C1-C8 haloalkyl, C2-C8 alkenyl, C2-C8 alkynyl, C3-C10 cycloalkyl, C3-C10 halocycloalkyl, C4-C10 alkylcycloalkyl, C4-C10 cycloalkylalkyl, C6-C14 cycloalkylcycloalkyl, C5-C10 alkylcycloalkylalkyl, C3-C8 cycloalkenyl, C1-C8 alkoxy, C1-C8 haloalkoxy, C3-C8 cycloalkoxy, C3-C8 halocycloalkoxy, C4-C10 cycloalkylalkoxy, C2-C8 alkenyloxy, C2-C8 alkynyloxy, C1-C8 alkylthio, C1-C8 alkylsulfinyl, C1-C8 alkylsulfonyl, C3-C8 cycloalkylthio, C3-C8 cycloalkylsulfinyl, C3-C8 cycloalkylsulfonyl, C4-C10 cycloalkylalkylthio, C4-C10 cycloalkylalkylsulfinyl, C4-C10 cycloalkylalkylsulfonyl, C2-C8 alkenylthio, C2-C8 alkenylsulfinyl, C2-C8 alkenylsulfonyl, C2-C8 alkynylthio, C2-C8 alkType: ApplicationFiled: April 19, 2022Publication date: August 4, 2022Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: ALBERT LOREN CASALNUOVO, TY WAGERLE, JUN YAN, ERIN DEMKO, MATTHEW RICHARD OBERHOLZER, RAFAEL SHAPIRO
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Publication number: 20220177499Abstract: Methods for preparing crystalline L-glufosinate ammonium monohydrate are disclosed. The methods include forming a mixture comprising water, a water-miscible organic solvent, ammonium hydroxide, and a glufosinate starting material containing L-glufosinate ammonium and D-glufosinate ammonium. L-Glufosinate ammonium monohydrate is crystallized and separated from the mixture, providing L-glufosinate ammonium monohydrate Form B. Compositions and methods employing the crystalline L-glufosinate ammonium monohydrate are also described.Type: ApplicationFiled: April 15, 2020Publication date: June 9, 2022Inventors: Brian Michael Green, Rachel Melissa Witek, Nadejda Pavlova, Matthew Richard Oberholzer
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Patent number: 11339138Abstract: The present invention provides a method for preparing a compound of Formula C, Formula D, or Formula F: wherein each R1, R2, and R3 is independently H, SF5, N(C1-C8 alkyl)(C1-C8 alkyl), C(?S)N(C1-C8 alkyl)(C1-C8 alkyl), SO2N(C1-C8 alkyl)(C1-C8 alkyl), OSO2(C1-C8 alkyl), OSO2N(C1-C8 alkyl)(C1-C8 alkyl), N(C1-C8 alkyl)SO2(C1-C8 alkyl), or C1-C8 alkyl, C1-C8 haloalkyl, C2-C8 alkenyl, C2-C8 alkynyl, C3-C10 cycloalkyl, C3-C10 halocycloalkyl, C4-C10 alkylcycloalkyl, C4-C10 cycloalkylalkyl, C6-C14 cycloalkylcycloalkyl, C5-C10 alkylcycloalkylalkyl, C3-C8 cycloalkenyl, C1-C8 alkoxy, C1-C8 haloalkoxy, C3-C8 cycloalkoxy, C3-C8 halocycloalkoxy, C4-C10 cycloalkylalkoxy, C2-C8 alkenyloxy, C2-C8 alkynyloxy, C1-C8 alkylthio, C1-C8 alkylsulfinyl, C1-C8 alkylsulfonyl, C3-C8 cycloalkylthio, C3-C8 cycloalkylsulfinyl, C3-C8 cycloalkylsulfonyl, C4-C10 cycloalkylalkylthio, C4-C10 cycloalkylalkylsulfinyl, C4-C10 cycloalkylalkylsulfonyl, C2-C8 alkenylthio, C2-C8 alkenylsulfinyl, C2-C8 alkenylsulfonyl, C2-C8 alkynylthio, C2-C8 aType: GrantFiled: October 2, 2019Date of Patent: May 24, 2022Assignee: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Albert Loren Casalnuovo, Ty Wagerle, Jun Yan, Erin Demko, Matthew Richard Oberholzer, Rafael Shapiro
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Publication number: 20210309621Abstract: The present invention provides a method for preparing a compound of Formula C, Formula D, or Formula F: wherein each R1, R2, and R3 is independently H, SF5, N(C1-C8 alkyl)(C1-C8 alkyl), C(?S)N(C1-C8 alkyl)(C1-C8 alkyl), SO2N(C1-C8 alkyl)(C1-C8 alkyl), OSO2(C1-C8 alkyl), OSO2N(C1-C8 alkyl)(C1-C8 alkyl), N(C1-C8 alkyl)SO2(C1-C8 alkyl), or C1-C8 alkyl, C1-C8 haloalkyl, C2-C8 alkenyl, C2-C8 alkynyl, C3-C10 cycloalkyl, C3-C10 halocycloalkyl, C4-C10 alkylcycloalkyl, C4-C10 cycloalkylalkyl, C6-C14 cycloalkylcycloalkyl, C5-C10 alkylcycloalkylalkyl, C3-C8 cycloalkenyl, C1-C8 alkoxy, C1-C8 haloalkoxy, C3-C8 cycloalkoxy, C3-C8 halocycloalkoxy, C4-C10 cycloalkylalkoxy, C2-C8 alkenyloxy, C2-C8 alkynyloxy, C1-C8 alkylthio, C1-C8 alkylsulfinyl, C1-C8 alkylsulfonyl, C3-C8 cycloalkylthio, C3-C8 cycloalkylsulfinyl, C3-C8 cycloalkylsulfonyl, C4-C10 cycloalkylalkylthio, C4-C10 cycloalkylalkylsulfinyl, C4-C10 cycloalkylalkylsulfonyl, C2-C8 alkenylthio, C2-C8 alkenylsulfinyl, C2-C8 alkenylsulfonyl, C2-C8 alkynylthio, C2-C8 aType: ApplicationFiled: October 2, 2019Publication date: October 7, 2021Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: ALBERT LOREN CASALNUOVO, TY WAGERLE, JUN YAN, ERIN DEMKO, MATTHEW RICHARD OBERHOLZER, RAFAEL SHAPIRO
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Publication number: 20200181179Abstract: Compositions and methods for isolating L-glufosinate from a composition comprising L-glufosinate and glutamate are provided. The method comprises converting the glutamate to pyroglutamate followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The composition comprising L-glufosinate and glutamate is subjected to an elevated temperature for a sufficient time to allow for the conversion of glutamate to pyroglutamate, followed by the isolation of L-glufosinate from the pyroglutamate and other components of the composition to obtain substantially purified L-glufosinate. The glutamate alternatively may be converted to pyroglutamate by enzymatic conversion. The purified L-glufosinate is present in a final composition at a concentration of 90% or greater of the sum of L-glufosinate, glutamate, and pyroglutamate.Type: ApplicationFiled: July 17, 2018Publication date: June 11, 2020Applicant: AGRIMETIS, LLCInventors: Stephen Craig Fields, Matthew Richard Oberholzer, Brian Michael Green, Samir Kulkarni, Jennifer Nelson, Patricia Andres
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Publication number: 20170260142Abstract: Disclosed are solid forms of 4-(2-bromo-4-fluorophenyl)-N-(2-chloro-6-fluorophenyl)-1,3-dimethyl-1H-pyrazol-5-amine (Compound 1). Methods for the preparation of solid forms of Compound 1 and for the conversion of one solid form of Compound 1 into another are disclosed. Disclosed are compositions for protecting a plant or plant seed from diseases caused by fungal pathogens comprising a biologically effective amount of a solid form of Compound 1 and at least one additional component selected from the group consisting of surfactants, solid diluents and liquid carriers. Compositions comprising a mixture of a solid form of Compound 1 and at least one other nematocide, insecticide and/or fungicide are also disclosed. Also disclosed are methods for protecting a plant or plant seed from diseases caused by fungal pathogens comprising applying to a plant or seed, or to the environment of the plant or seed, a biologically effective amount of a solid form of Compound 1.Type: ApplicationFiled: May 25, 2017Publication date: September 14, 2017Inventor: MATTHEW RICHARD OBERHOLZER
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Patent number: 9688639Abstract: Disclosed are solid forms of 4-(2-bromo-4-fluorophenyl)-N-(2-chloro-6-fluorophenyl)-1,3-dimethyl-1H-pyrazol-5-amine (Compound 1). Methods for the preparation of solid forms of Compound 1 and for the conversion of one solid form of Compound 1 into another are disclosed. Disclosed are compositions for protecting a plant or plant seed from diseases caused by fungal pathogens comprising a biologically effective amount of a solid form of Compound 1 and at least one additional component selected from the group consisting of surfactants, solid diluents and liquid carriers. Compositions comprising a mixture of a solid form of Compound 1 and at least one other nematocide, insecticide and/or fungicide are also disclosed. Also disclosed are methods for protecting a plant or plant seed from diseases caused by fungal pathogens comprising applying to a plant or seed, or to the environment of the plant or seed, a biologically effective amount of a solid form of Compound 1.Type: GrantFiled: May 15, 2014Date of Patent: June 27, 2017Assignee: E I DU PONT DE NEMOURS AND COMPANYInventor: Matthew Richard Oberholzer
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Publication number: 20160075661Abstract: Disclosed are solid forms of 4-(2-bromo-4-fluorophenyl)-N-(2-chloro-6-fluorophenyl)-1,3-dimethyl-1H-pyrazol-5-amine (Compound 1). Methods for the preparation of solid forms of Compound 1 and for the conversion of one solid form of Compound 1 into another are disclosed. Disclosed are compositions for protecting a plant or plant seed from diseases caused by fungal pathogens comprising a biologically effective amount of a solid form of Compound 1 and at least one additional component selected from the group consisting of surfactants, solid diluents and liquid carriers. Compositions comprising a mixture of a solid form of Compound 1 and at least one other nematocide, insecticide and/or fungicide are also disclosed. Also disclosed are methods for protecting a plant or plant seed from diseases caused by fungal pathogens comprising applying to a plant or seed, or to the environment of the plant or seed, a biologically effective amount of a solid form of Compound 1.Type: ApplicationFiled: May 15, 2014Publication date: March 17, 2016Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventor: Matthew Richard Oberholzer
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Patent number: 9162973Abstract: A method for preparing a compound of Formula 1 comprising contacting a compound of Formulae 2 and 3 in the presence of a palladium source, a ligand, a base and carbon monoxide wherein R1, R2, X and R3 are as defined in the disclosure. A method for preparing a compound of Formula 5 wherein R1, R2, R3, R4, R5, R6 and Z are as defined in the disclosure, using a compound of Formula 1 characterized by preparing a compound of Formula 1 by the method disclosed above or using a compound of Formula 1 prepared by the method above.Type: GrantFiled: September 16, 2014Date of Patent: October 20, 2015Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Sigridur Soley Kristjansdottir, Rafael Shapiro, Matthew Richard Oberholzer
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Patent number: 9062040Abstract: Disclosed are solid forms of 1-[4-[4-[5-(2,6-difluorophenyl)-4,5-dihydro-3-isoxazoyl]-2 -thiazolyl]-1-piperidinyl]-2-[5-methyl-3-(trifuoromethyl)-1H-pyrazol-1-yl]ethanone (Compound 1). Also disclosed are methods for the preparation of solid forms of Compound 1 and for the conversion of one solid form of Compound 1 into another form. Further disclosed are methods for controlling plant diseases caused by fungal plant pathogens comprising applying to a plant or portion thereof, or to a plant seed, a fungicidally effective amount of a solid form of Compound 1. Additionally disclosed are fungicidal compositions comprising a fungicidally effective amount of a solid form of Compound 1 and at least one additional component selected from the group consisting of surfactants, solid diluents and liquid carriers and also compositions comprising a mixture of a solid form of Compound 1 and at least one other fungicide or insecticide.Type: GrantFiled: January 13, 2014Date of Patent: June 23, 2015Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Matthew Richard Oberholzer, Robert James Pasteris