Patents by Inventor Saihu Liao

Saihu Liao 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: 9932305
    Abstract: The present invention relates to a process for the asymmetric oxidation of nucleophilic organic compounds, particularly metal-free, with peroxide compounds in the presence of a chiral Brønsted acid catalyst. In one detail, the present invention relates to a process for enantioselective sulfoxidation of thiocompounds with peroxide compounds in the presence of a chiral imidodiphosphate catalyst. In another detail, the present invention relates to a process for enantioselective sulfoxidation of thiocompounds with peroxide compounds in the presence of a chiral phosphoric acid catalyst.
    Type: Grant
    Filed: January 8, 2013
    Date of Patent: April 3, 2018
    Assignee: STUDIENGESELLSCHAFT KOHLE MBH
    Inventors: Benjamin List, Ilija Coric, Saihu Liao
  • Publication number: 20150005527
    Abstract: The present invention relates to a process for the asymmetric oxidation of nucleophilic organic compounds, particularly metal-free, with peroxide compounds in the presence of a chiral Brønsted acid catalyst. In one detail, the present invention relates to a process for enantioselective sulfoxidation of thiocompounds with peroxide compounds in the presence of a chiral imidodiphosphate catalyst. In another detail, the present invention relates to a process for enantioselective sulfoxidation of thiocompounds with peroxide compounds in the presence of a chiral phosphoric acid catalyst.
    Type: Application
    Filed: January 8, 2013
    Publication date: January 1, 2015
    Applicant: STUDIENGESELLSCHAFT KOHLE MBH
    Inventors: Benjamin List, Ilija Coric, Saihu Liao