Patents by Inventor Wolfgang Holick

Wolfgang Holick 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 D-(+)-biotin and intermediates therefor
    Patent number: 4636566
    Abstract: A process for the manufacture of intermediates in the synthesis of biotin as well as of biotin itself is described. In this process the side chain is attached to the ring system by means of a Grignard reaction, the resulting compound is then dehydrated and subsequently reduced.
    Type: Grant
    Filed: February 26, 1985
    Date of Patent: January 13, 1987
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Wolfgang Holick, Horst Pauling