Patents by Inventor Friedhelm Maywald

Friedhelm Maywald 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: 5126322
    Abstract: The present invention relates to a peptide having essentially the amino acid sequence of pancreatic secretory trypsin inhibitor (PSTI). The present invention also relates to variants of such peptide wherein one or more of the amino acids in the original sequence are replaced by other amino acids. These peptides show an advantageously modified specificity in their inhibotory action. A method of preparation of the peptides and their pharmaceutical use is also described.
    Type: Grant
    Filed: April 16, 1991
    Date of Patent: June 30, 1992
    Assignee: Bayer Aktiengesellschaft
    Inventors: John Collins, Helmut Blocker, Ronald Frank, Friedhelm Maywald, Hans Fritz, Wolfgang Bruns