Patents by Inventor Torsten Kiesser

Torsten Kiesser 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).

  • Liquid enzyme formulations
    Patent number: 5558812
    Abstract: Liquid enzyme formulations which contain the enzyme in the form of aqueous enzyme particle suspension, colloidal fillers and a liquid alkylene oxide polymer based on ethylenediamine and having a molecular weight in the range from 500 to 8200. The liquid enzyme formulations of the invention may contain any enzyme customarily incorporated in detergents or used for cleaning purposes, especially alkaline proteases. Processes for preparing such liquid enzyme formulations and for using them in liquid detergents and/or cleaners are also disclosed.
    Type: Grant
    Filed: June 9, 1994
    Date of Patent: September 24, 1996
    Assignee: Solvay Enzymes GmbH & Co. KG.
    Inventors: Wilfried Hahn, Hubert Herrman, Torsten Kiesser, Vera Sander