Patents by Inventor Haus-Juergen Braun

Haus-Juergen Braun 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).

  • Novel naphthalene derivatives and colorants for keratin fibers containing these compounds
    Publication number: 20070157398
    Abstract: The present invention has for an object unsymmetrical naphthalene derivatives of formula (I) and agents containing these compounds for coloring keratin fibers or agents for coloring and simultaneously brightening keratin fibers wherein A1 and A2 are different and independently of each other represent partial structures of formulas (II), (IIIa), (IIIb), (IV), (V) or (VI);
    Type: Application
    Filed: October 20, 2004
    Publication date: July 12, 2007
    Inventors: Markus Speckbacher, Haus-Juergen Braun