Patents by Inventor Michael Klarwein

Michael Klarwein 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).

  • Control serum containing alkaline phosphatase of constant activity
    Patent number: 4123384
    Abstract: The activity of alkaline phosphatase in aqueous solution, especially in reconstituted serum, is kept constant by adding to the phosphatase-containing solution Mn.sup.2+ or Cd.sup.2+ ions, preferably to an end concentration of 0.05 to 0.5 mMol/liter of Mn.sup.2+ or 0.05 to 0.1 mMol/liter of Cd.sup.2+. Control serums comprising the Mn.sup.2+ and/or Cd.sup.2+ ions in human or animal serum or serum-like compositions are also provided.
    Type: Grant
    Filed: August 16, 1976
    Date of Patent: October 31, 1978
    Assignee: Boehringer Mannheim GmbH
    Inventors: Dieter Hundt, Wolfgang Gruber, Michael Klarwein, Peter Roeschlau