Patents by Inventor Ruishan CHOW

Ruishan CHOW 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).

  • Complexes
    Patent number: 11649258
    Abstract: The present invention provides a palladium(II) complex of formula (1). R12, m, and X are described in the specification. The invention also provides a process for the preparation of the complex, and its use in carbon-carbon and carbon-heteroatom coupling reactions.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: May 16, 2023
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Thomas Colacot, Ruishan Chow, Andrew Jon DeAngelis
  • Complexes
    Publication number: 20210163516
    Abstract: The present invention provides a palladium(II) complex of formula (1). R12, m, and X are described in the specification. The invention also provides a process for the preparation of the complex, and its use in carbon-carbon and carbon-heteroatom coupling reactions.
    Type: Application
    Filed: February 11, 2021
    Publication date: June 3, 2021
    Inventors: Thomas Colacot, Ruishan Chow, Andrew Jon DeAngelis
  • Syntheses of allyl phosphine complexes of palladium
    Patent number: 10968244
    Abstract: The present invention provides a palladium(II) complex of formula (1) or a palladium(II) complex of formula (2). R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R18, R19, R20, R21, R22, R23 and R24, m, E and X are described in the specification. The invention also provides a process for the preparation of the complexes, and their use in carbon-carbon and carbon-heteroatom coupling reactions.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: April 6, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Thomas Colacot, Ruishan Chow, Andrew Jon DeAngelis
  • Allyl phosphine complexes of palladium and their use in catalysis
    Patent number: 10858382
    Abstract: The present invention provides a palladium(II) complex of formula (1) or a palladium(II) complex of formula (2). R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R18, R19, R20, R21, R22, R23 and R24, m, E and X are described in the specification. The invention also provides a process for the preparation of the complexes, and their use in carbon-carbon and carbon-heteroatom coupling reactions.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: December 8, 2020
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Thomas Colacot, Ruishan Chow, Andrew Jon DeAngelis
  • Complexes
    Publication number: 20200087332
    Abstract: The present invention provides a palladium(II) complex of formula (1) or a palladium(II) complex of formula (2). R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R18, R19, R20, R21, R22, R23 and R24, m, E and X are described in the specification. The invention also provides a process for the preparation of the complexes, and their use in carbon-carbon and carbon-heteroatom coupling reactions.
    Type: Application
    Filed: November 18, 2019
    Publication date: March 19, 2020
    Inventors: Thomas Colacot, Ruishan Chow, Andrew Jon Deangelis
  • Complexes
    Publication number: 20190241589
    Abstract: The present invention provides a palladium(II) complex of formula (1) or a palladium(II) complex of formula (2). R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R18, R19, R20, R21, R22, R23 and R24, m, E and X are described in the specification. The invention also provides a process for the preparation of the complexes, and their use in carbon-carbon and carbon-heteroatom coupling reactions.
    Type: Application
    Filed: February 25, 2019
    Publication date: August 8, 2019
    Inventors: Thomas Colacot, Ruishan Chow, Andrew Jon DeAngelis
  • Complexes
    Patent number: 10253056
    Abstract: A palladium(II) complex of formula (1) or a palladium(II) complex of formula (2). Also, a process for the preparation of the complexes, and their use in carbon-carbon and carbon-heteroatom coupling reactions.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: April 9, 2019
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Thomas Colacot, Ruishan Chow, Andrew Jon Deangelis
  • COMPLEXES
    Publication number: 20170121357
    Abstract: A palladium(II) complex of formula (1) or a palladium(II) complex of formula (2). Also, a process for the preparation of the complexes, and their use in carbon-carbon and carbon-heteroatom coupling reactions.
    Type: Application
    Filed: March 20, 2015
    Publication date: May 4, 2017
    Inventors: Thomas COLACOT, Ruishan CHOW, Andrew JON DEANGELIS