Patents by Inventor Guenter Guertler

Guenter Guertler 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).

  • Highly purified proteinase K
    Patent number: 7820801
    Abstract: A method for producing solid proteinase K which is insoluble in water and has high purity, the method comprising the steps of adding to an aqueous solution of proteinase K ammonium sulfate in an amount of 0.1 to 0.2 M per 5 minutes up to a final amount of 1.5 to 2 M after 1 hour, thereby precipitating the proteinase K as a solid, and isolating the solid proteinase K.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: October 26, 2010
    Assignee: Roche Diagnostics Operations, Inc.
    Inventors: Helmut Schoen, Guenter Guertler, Bernhard Rexer, Johann-Peter Thalhofer
  • HIGHLY PURIFIED PROTEINASE K
    Publication number: 20070179280
    Abstract: A method for producing solid proteinase K which is insoluble in water and has high purity, the method comprising the steps of adding to an aqueous solution of proteinase K ammonium sulfate in an amount of 0.1 to 0.2 M per 5 minutes up to a final amount of 1.5 to 2 M after 1 hour, thereby precipitating the proteinase K as a solid, and isolating the solid proteinase K.
    Type: Application
    Filed: September 29, 2006
    Publication date: August 2, 2007
    Inventors: Helmut Schoen, Guenter Guertler, Bernhard Rexer, Johann-Peter Thalhofer