Patents by Inventor Bernt A. Nissen

Bernt A. Nissen 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).

  • Preparation of the enzyme beta-glucanase by fermentation of fungi
    Patent number: 4742008
    Abstract: .beta.-glucanase is produced under submerged, aerobic and thermophilic conditions, by cultivating the microorganism Rhizomucor pusillus (Lindt) Schipper, preferably the strain CBS 551.82. Fermentation is carried out using a fed batch method, where a carbon source such as barley meal is first introduced, and when this is consumed, a sugar compound, preferably lactose, is added, whereupon the fermentation continues until the carbon source is completely or partially consumed.
    Type: Grant
    Filed: June 4, 1986
    Date of Patent: May 3, 1988
    Assignee: Norsk Hydro a.s.
    Inventors: Bernt Nissen, Jon Hovland
  • Preparation of the enzyme .beta.-glucanase by fermentation of fungi
    Patent number: 4588690
    Abstract: Process for preparation of .beta.-glucanase by cultivation of species of the fungus Rhizomucor pusillus (Lindt) Schipper under aerobic and thermophilic conditions. The enzyme .beta.-glucanase is an important component for degradation of polysaccharides into shorter molecular units.
    Type: Grant
    Filed: August 15, 1984
    Date of Patent: May 13, 1986
    Assignee: Norsk Hydro a.s.
    Inventors: Bernt A. Nissen, Jon Hovland