Patents by Inventor Helmut Trutnovsky

Helmut Trutnovsky 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).

  • Enzyme recovery by ultrafiltration in enzymatic analysis
    Patent number: 3953296
    Abstract: A method and device for producing low-molecular products, especially for determining the concentration of low-molecular biological substances, by means of enzyme reaction, characterized by the fact that, after the reaction is complete, the used enzyme is separated from the low-molecular substances of the reaction mixture by means of ultrafiltration, conducted into a circulation system, especially a continuous circulation system, and used again for enzymatic production of low-molecular substances.
    Type: Grant
    Filed: July 24, 1974
    Date of Patent: April 27, 1976
    Assignee: The Kreidl Chemico Physical Kommanditgesellschaft
    Inventors: Helmut Trutnovsky, Benno Paletta