Patents by Inventor Christian H. Weidl

Christian H. Weidl 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).

  • Polymerized hydrogel comprising low amounts of residual monomers and by-products
    Publication number: 20040068093
    Abstract: The present invention relates to a process for making polymerized hydrogel, in particular adhesives, which are characterized by very low amount of residual starting monomer(s), impurity(s) and/or by-products which could be formed during polymerization, such as acrylamide, acrylonitrile or acrolein.
    Type: Application
    Filed: June 25, 2003
    Publication date: April 8, 2004
    Applicant: The Procter & Gamble Company
    Inventors: Steven Ray Merrigan, Lee Arnold Schechtman, Stephen Allen Goldman, Martin Beck, Felix Christian Gorth, Christian H. Weidl, Volker Frenz, Oskar Stephan