Patents by Inventor Werner Dollacker

Werner Dollacker 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).

  • Stabilizing agent for enzymes
    Patent number: 4118279
    Abstract: Enzyme preparations, particularly enzyme preparations containing organic sulfhydryl compounds for activation, are stabilized by means of a stabilizing agent comprising oxypolygelatine, especially oxypolygelatine having an average molecular weight of from 10,000 to 50,000.
    Type: Grant
    Filed: October 18, 1977
    Date of Patent: October 3, 1978
    Assignee: Boehringer Mannheim GmbH
    Inventors: Helmut Determann, Erich Bernt, Werner Dollacker, Ingeborg Gutmann, deceased, by Gudrun Engelhardt, administrator