Patents by Inventor Retio Wieduwilt

Retio Wieduwilt 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).

  • Publication number: 20030064906
    Abstract: Process for the preparation of acyloxybenzenesulfonates by reaction of phenolsulfonate with a water content of less than 0.5% by weight and alkanecarbonyl halide in a hydrocarbon as solvent and in the presence of a catalyst in the form of a basic nitrogen-containing compound.
    Type: Application
    Filed: August 1, 2002
    Publication date: April 3, 2003
    Applicant: Clariant GmbH
    Inventors: Gerd Reinhardt, Peter Naumann, Miriam Ladwig, Ina Golla, Torsten Pilz, Retio Wieduwilt, Henri Jourdan