Patents by Inventor Pirkko Aaltonen

Pirkko Aaltonen 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).

  • 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