Patents by Inventor Paavo Lehtonen

Paavo Lehtonen 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 combating microorganisms
    Patent number: 6261829
    Abstract: The invention relates to a process of combatting micro-organisms in industrial processes, particularly in the wood processing industry, by adding glucose oxidase and optionally glucose or a source of glucose to the process solution or slurry.
    Type: Grant
    Filed: August 8, 1994
    Date of Patent: July 17, 2001
    Assignee: Genencor International, Inc.
    Inventor: Paavo Lehtonen
  • Glucose oxidase food treatment and storage method
    Patent number: 4996062
    Abstract: The invention relates to an enzymatic composition and method of extending the shelf life of foodstuffs. The composition contains a glucose oxidase/catalase enzyme preparation. The method can be used both in normal and modified atmosphere packages.
    Type: Grant
    Filed: October 28, 1988
    Date of Patent: February 26, 1991
    Assignee: Stabra AG
    Inventors: Paavo Lehtonen, Pirkko Aaltonen, Ulla Karilainen