Patents by Inventor Andre Grossmann

Andre Grossmann 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).

  • Process for preparing bromochloromethane
    Patent number: 12565461
    Abstract: The invention relates to an improved process for preparing bromochloromethane by reacting dichloromethane and dibromomethane in the presence of catalysts.
    Type: Grant
    Filed: November 27, 2020
    Date of Patent: March 3, 2026
    Assignee: Saltigo GmbH
    Inventor: Andre Grossmann
  • IMPROVED PROCESS FOR PREPARING UNSYMMETRICAL DIALKYL SULFIDES
    Publication number: 20230002314
    Abstract: The invention relates to an improved process for preparing unsymmetrical dialkyl sulfides by reacting a monoalkyl sulfide with at least one alkyl halide in the presence of base.
    Type: Application
    Filed: November 27, 2020
    Publication date: January 5, 2023
    Applicant: SALTIGO GmbH
    Inventor: Andre Grossmann
  • IMPROVED PROCESS FOR PREPARING BROMOCHLOROMETHANE
    Publication number: 20220411353
    Abstract: The invention relates to an improved process for preparing bromochloromethane by reacting dichloromethane and dibromomethane in the presence of catalysts.
    Type: Application
    Filed: November 27, 2020
    Publication date: December 29, 2022
    Applicant: SALTIGO GmbH
    Inventor: Andre Grossmann
  • Improved process for preparing cyclopropyl compounds from alkenes
    Publication number: 20220348526
    Abstract: The invention relates to an improved process for preparing cyclopropyl compounds from alkenes through reaction of the alkene in the presence of bromochloromethane, elemental zinc, and elemental copper or copper compounds (cyclopropanation reaction).
    Type: Application
    Filed: September 9, 2020
    Publication date: November 3, 2022
    Applicant: SALTIGO GmbH
    Inventors: Andre Grossmann, Bjorn Schlummer
  • Improved process for preparing epoxides from aldehydes or ketones
    Publication number: 20220332691
    Abstract: The invention relates to an improved process for preparing epoxides from aldehydes or ketones by reacting a ketone or aldehyde with at least one sulfonium salt, and to sulfonium salts that may be used in the process of the invention.
    Type: Application
    Filed: September 9, 2020
    Publication date: October 20, 2022
    Applicant: SALTIGO GmbH
    Inventors: Andre Grossmann, Bjorn Schlummer