Patents by Inventor ANDREAS J. BITTNER

ANDREAS J. BITTNER 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).

  • OXIDATION DYES
    Publication number: 20010005914
    Abstract: The invention relates to oxidation colorants which are particularly suitable for coloring keratin fiber and to a method of coloring such fiber.
    Type: Application
    Filed: December 8, 1999
    Publication date: July 5, 2001
    Applicant: Andreas J. Bittner
    Inventors: ANDREAS J. BITTNER, ASTRID KLEEN