Patents by Inventor Ruppert Herrmann

Ruppert Herrmann 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).

  • .beta.-galactosidase substrates for cedia
    Patent number: 5254677
    Abstract: The present invention provides compounds of the general formula: ##STR1## wherein R is a trifluoromethyl radical or a cyano group. The present invention also provides processes for the preparation of these compounds, as well as reagents containing them. The present invention is also concerned with the use of these compounds as .beta.-galactosidase substrates, especially in a CEDIA system.
    Type: Grant
    Filed: June 25, 1991
    Date of Patent: October 19, 1993
    Assignee: Boehringer Mannheim GmbH
    Inventors: Hans-Joachim Guder, Ruppert Herrmann, Dietmar Zdunek