Patents by Inventor Simone Hoppmann

Simone Hoppmann 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).

  • Manufacture of ?-tocopherol
    Patent number: 7153984
    Abstract: A process for the manufacture of (all-rac)-?-tocopherol by the acid-catalyzed reaction of trimethylhydroquinone with isophytol or phytol is characterized by carrying out the reaction in the presence of methane trisulphonate as the catalyst in an organic solvent. The product of the process is the most active and industrially most important member of the vitamin E group.
    Type: Grant
    Filed: September 30, 2003
    Date of Patent: December 26, 2006
    Assignee: DSM IP Assets B.V.
    Inventors: Werner Bonrath, Alois Haas, Simone Hoppmann, Thomas Netscher, Horst Pauling
  • Manufacture of alpha-tocopherol
    Publication number: 20060020139
    Abstract: A process for the manufacture of (all-rac)-?-tocopherol by the acid-catalyzed reaction of trimethylhydroquinone with isophytol or phytol is characterized by carrying out the reaction in the presence of methane trisulphonate as the catalyst in an organic solvent. The product of the process is the most active and industrially most important member of the vitamin E group.
    Type: Application
    Filed: September 30, 2003
    Publication date: January 26, 2006
    Applicant: DSM IP Assets B.V.
    Inventors: Werner Bonrath, Alois Haas, Simone Hoppmann, Thomas Netscher, Horst Pauling