Patents by Inventor Klaus-Dirk Schenk

Klaus-Dirk Schenk 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: 4322404
    Abstract: Herpes virus was doubly mutated in two steps by treatment with phosphono formic acid and 5-ethyl-2'-desoxyuredine. In this way the pathogenicity of the herpes virus was so weakened that they are usable as vaccines.
    Type: Grant
    Filed: June 8, 1981
    Date of Patent: March 30, 1982
    Inventors: Kailash K. Gauri, Klaus Pressler, Klaus-Dirk Schenk