Patents by Inventor Guenter Partheil

Guenter Partheil 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 preparation containing protease
    Patent number: 6451586
    Abstract: Powdered or granulated enzyme preparations, free of surface active agents and containing a protease as the active enzyme, wherein the protease is present as a tannin complex, with the proviso that the enzyme preparation consists of at least 50 percent by weight and up to 99.9 percent by weight of one or more conventional diluent salts. Methods for soaking and bating skins and hides using such preparations.
    Type: Grant
    Filed: February 6, 1995
    Date of Patent: September 17, 2002
    Assignee: Roehm GmbH & Co KG
    Inventors: Juergen Christner, Guenter Partheil, Hermann Plainer, Roland Reiner