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).

  • Patent number: 11976089
    Abstract: Solid forms of L-glufosinate materials, including crystalline L-glufosinate ammonium, are described.
    Type: Grant
    Filed: March 8, 2023
    Date of Patent: May 7, 2024
    Assignee: BASF SE
    Inventors: Stephen Craig Fields, Matthew Richard Oberholzer, Brian Michael Green, Samir Kulkarni, Jennifer Nelson, Patricia Andres
  • Publication number: 20240132459
    Abstract: 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 alk
    Type: Application
    Filed: January 3, 2024
    Publication date: April 25, 2024
    Applicant: CORTEVA AGRISCIENCE LLC
    Inventors: ALBERT LOREN CASALNUOVO, TY WAGERLE, JUN YAN, ERIN DEMKO, MATTHEW RICHARD OBERHOLZER, RAFAEL SHAPIRO
  • Patent number: 11897909
    Abstract: Solid forms of L-glufosinate materials, including crystalline L-glufosinate ammonium, are described.
    Type: Grant
    Filed: March 8, 2023
    Date of Patent: February 13, 2024
    Assignee: BASF SE
    Inventors: Stephen Craig Fields, Matthew Richard Oberholzer, Brian Michael Green, Samir Kulkarni, Jennifer Nelson, Patricia Andres
  • Patent number: 11897854
    Abstract: 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 alk
    Type: Grant
    Filed: April 19, 2022
    Date of Patent: February 13, 2024
    Inventors: Albert Loren Casalnuovo, Ty Wagerle, Jun Yan, Erin Demko, Matthew Richard Oberholzer, Rafael Shapiro
  • Patent number: 11897908
    Abstract: Solid forms of L-glufosinate materials, including crystalline L-glufosinate ammonium, are described.
    Type: Grant
    Filed: March 8, 2023
    Date of Patent: February 13, 2024
    Assignee: BASF SE
    Inventors: Stephen Craig Fields, Matthew Richard Oberholzer, Brian Michael Green, Samir Kulkarni, Jennifer Nelson, Patricia Andres
  • Publication number: 20230331749
    Abstract: 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: Application
    Filed: March 8, 2023
    Publication date: October 19, 2023
    Inventors: Stephen Craig Fields, Matthew Richard Oberholzer, Brian Michael Green, Samir Kulkarni, Jennifer Nelson, Patricia Andres
  • Publication number: 20230286939
    Abstract: 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: Application
    Filed: July 22, 2021
    Publication date: September 14, 2023
    Inventors: Kåre SØNDERGAARD, Kim LUNDKVIST, Jack K. VINTHER, Matthew Richard OBERHOLZER, Erin Gallagher DEMKO, Steven T. BOOTH
  • Publication number: 20230219985
    Abstract: 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: Application
    Filed: March 8, 2023
    Publication date: July 13, 2023
    Inventors: Stephen Craig Fields, Matthew Richard Oberholzer, Brian Michael Green, Samir Kulkarni, Jennifer Nelson, Patricia Andres
  • Publication number: 20230219984
    Abstract: 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: Application
    Filed: March 8, 2023
    Publication date: July 13, 2023
    Inventors: Stephen Craig Fields, Matthew Richard Oberholzer, Brian Michael Green, Samir Kulkarni, Jennifer Nelson, Patricia Andres
  • Patent number: 11634442
    Abstract: 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: Grant
    Filed: July 17, 2018
    Date of Patent: April 25, 2023
    Assignee: BASF SE
    Inventors: Stephen Craig Fields, Matthew Richard Oberholzer, Brian Michael Green, Samir Kulkarni, Jennifer Nelson, Patricia Andres
  • Publication number: 20220242839
    Abstract: 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 alk
    Type: Application
    Filed: April 19, 2022
    Publication date: August 4, 2022
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: ALBERT LOREN CASALNUOVO, TY WAGERLE, JUN YAN, ERIN DEMKO, MATTHEW RICHARD OBERHOLZER, RAFAEL SHAPIRO
  • Publication number: 20220177499
    Abstract: 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: Application
    Filed: April 15, 2020
    Publication date: June 9, 2022
    Inventors: Brian Michael Green, Rachel Melissa Witek, Nadejda Pavlova, Matthew Richard Oberholzer
  • Patent number: 11339138
    Abstract: 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 a
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: May 24, 2022
    Assignee: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Albert Loren Casalnuovo, Ty Wagerle, Jun Yan, Erin Demko, Matthew Richard Oberholzer, Rafael Shapiro
  • Publication number: 20210309621
    Abstract: 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 a
    Type: Application
    Filed: October 2, 2019
    Publication date: October 7, 2021
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: ALBERT LOREN CASALNUOVO, TY WAGERLE, JUN YAN, ERIN DEMKO, MATTHEW RICHARD OBERHOLZER, RAFAEL SHAPIRO
  • Publication number: 20200181179
    Abstract: 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: Application
    Filed: July 17, 2018
    Publication date: June 11, 2020
    Applicant: AGRIMETIS, LLC
    Inventors: Stephen Craig Fields, Matthew Richard Oberholzer, Brian Michael Green, Samir Kulkarni, Jennifer Nelson, Patricia Andres
  • Publication number: 20170260142
    Abstract: 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: Application
    Filed: May 25, 2017
    Publication date: September 14, 2017
    Inventor: MATTHEW RICHARD OBERHOLZER
  • Patent number: 9688639
    Abstract: 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: Grant
    Filed: May 15, 2014
    Date of Patent: June 27, 2017
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventor: Matthew Richard Oberholzer
  • Publication number: 20160075661
    Abstract: 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: Application
    Filed: May 15, 2014
    Publication date: March 17, 2016
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventor: Matthew Richard Oberholzer
  • Patent number: 9162973
    Abstract: 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: Grant
    Filed: September 16, 2014
    Date of Patent: October 20, 2015
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Sigridur Soley Kristjansdottir, Rafael Shapiro, Matthew Richard Oberholzer
  • Patent number: 9062040
    Abstract: 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: Grant
    Filed: January 13, 2014
    Date of Patent: June 23, 2015
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Matthew Richard Oberholzer, Robert James Pasteris