Patents by Inventor David Alexander SALE

David Alexander SALE 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).

  • Chemical process for the synthesis of herbicidal pyrazolidinedione compounds
    Patent number: 11180508
    Abstract: The present invention relates to a novel process for the synthesis of herbicidal pyrazolidinedione compounds. In particular, a process for the preparation of a compound of formula (I), wherein R1, R2 and R3 are as defined herein. The present invention further relates to novel intermediate compounds utilized in said process, and methods for preparing said intermediate compounds.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: November 23, 2021
    Assignee: Syngenta Participations AG
    Inventors: James Alan Morris, Alexandr Shafir, Mallikharjuna Gonu, Iffat Bilal, David Alexander Sale
  • CHEMICAL PROCESS FOR THE SYNTHESIS OF HERBICIDAL PYRAZOLIDINEDIONE COMPOUNDS
    Publication number: 20210171540
    Abstract: The present invention relates to a novel process for the synthesis of herbicidal pyrazolidinedione compounds. In particular, a process for the preparation of a compound of formula (I), wherein R1, R2 and R3 are as defined herein. The present invention further relates to novel intermediate compounds utilized in said process, and methods for preparing said intermediate compounds.
    Type: Application
    Filed: December 4, 2018
    Publication date: June 10, 2021
    Applicant: Syngenta Participations AG
    Inventors: James Alan MORRIS, Alexandr SHAFIR, Mallikharjuna GONU, Iffat BILAL, David Alexander SALE