Patents by Inventor Dagmar Klenner

Dagmar Klenner 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).

  • Patent number: 4764468
    Abstract: The present invention provides a process for stabilizing the activity of peroxidase in solution by the addition of a specific activity stabilizer, wherein, to the enzyme present in solid or dissolved form, there is added, as activity stabilizer, phenol which optionally contains one or more substituents selected from lower alkyl radicals and chlorine and bromine atoms, in an amount of from 0.0005 to 2% by weight, referred to the solution.
    Type: Grant
    Filed: March 4, 1986
    Date of Patent: August 16, 1988
    Assignee: Boehringer Mannheim GmbH
    Inventors: Rainer Wehner, Johann Mattersberger, Dagmar Klenner, Gerlinde Deutsch-Weyer
  • Patent number: 4757016
    Abstract: The present invention provides a process for stabilizing the activity of peroxidase in solution by the addition of a specific activity stabilizer, wherein, to the enzyme present in solid or dissolved form, when the peroxidase is used as a conjugate with an immunologically effective substance, there is added, as activity stabilizer, aminopyrine in an amount of from 0.0005 to 2% by weight, referred to the solution.
    Type: Grant
    Filed: March 4, 1986
    Date of Patent: July 12, 1988
    Assignee: Boehringer Mannheim GmbH
    Inventors: Dagmar Klenner, Gerd Kleinhammer, Rolf Deeg