Patents by Inventor Urs DÄETWYLER

Urs DÄETWYLER 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).

  • Disazo Acid Dyes
    Publication number: 20110203058
    Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates.
    Type: Application
    Filed: May 3, 2011
    Publication date: August 25, 2011
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Rainer NUSSER, Urs DÄETWYLER