Patents by Inventor Catherine Welchold

Catherine Welchold 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).

  • O/w-Gel-Compositions Having Pentaerythriol Esters or Oligomers Thereof
    Publication number: 20080064761
    Abstract: An oil and water gel composition is provided containing a polymer gel former of a polymer or copolymer of acrylic acid or acrylamide, a wax component having a melting point of at least 30° C. containing esters of pentaerythritol, dipentaerythritol and/or tripentaerythritol, and an oil component liquid at 25° C. and water.
    Type: Application
    Filed: March 26, 2005
    Publication date: March 13, 2008
    Inventors: Helga Gondek, Ulrich Issberner, Catherine Welchold