Patents by Inventor Rudolf Portenhauser

Rudolf Portenhauser 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).

  • Process for the determination of fructosamine in body fluids and calibration solution
    Patent number: 5071767
    Abstract: For the determination of fructosamine in body fluids a solution containing fructosamine and albumin is used as the standard solution for calibration which standard solution is essentially free of glucose and which has a pH between 5.0 and 6.0 and contains at least 10 mmol/l buffer.
    Type: Grant
    Filed: July 5, 1989
    Date of Patent: December 10, 1991
    Assignee: Boehringer Mannheim GmbH
    Inventors: Rudolf Portenhauser, Bernd Vogt
  • Control or calibration serum for lipid diagnosis
    Patent number: 4701417
    Abstract: The present invention provides a control or calibration serum for lipid diagnosis, wherein it contains the parameters relevant for lipid diagnosis in the normal or pathological concentration range in a single storage-stable form.The present invention also provides processes for the preparation of this control or calibration serum.
    Type: Grant
    Filed: November 21, 1985
    Date of Patent: October 20, 1987
    Assignee: Boehringer Mannheim GmbH
    Inventors: Rudolf Portenhauser, Knut Bartl