Patents by Inventor Stephen Parkyn

Stephen Parkyn 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: 20150252219
    Abstract: The invention relates to an aqueous composition, comprising A a water-soluble or water-dispersible binder, or a water-soluble or water-dispersible component containing carboxyl groups, and B at least one cyclic hydroxyalkylamide.
    Type: Application
    Filed: August 23, 2013
    Publication date: September 10, 2015
    Applicant: Evonik Industries AG
    Inventors: Emmanouil Spyrou, Evelyn Albrecht, Annegret Lilienthal, Iris Brueckner, Wiebke Stache, Stephen Parkyn