Patents by Inventor Beate Susanne Frohling

Beate Susanne Frohling 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).

  • Method of coloring hair using cationic dyes
    Publication number: 20040143913
    Abstract: The cationic dyes of formula (1) specified in claim 1 are suitable especially for colouring keratin-containing fibres, more especially for colouring hair.
    Type: Application
    Filed: January 6, 2004
    Publication date: July 29, 2004
    Inventors: Peter Mckli, Beate Susanne Frohling