Patents by Inventor Helmet Luther

Helmet Luther 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).

  • Resorcinyl-triazines
    Patent number: 5962452
    Abstract: Resorcinyl-triazines of formula ##STR1## are described. The compounds according to the invention are suitable especially as sunscreens in cosmetic, pharmaceutical and veterinary compositions.
    Type: Grant
    Filed: May 14, 1998
    Date of Patent: October 5, 1999
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Jurg Haase, Helmet Luther