Patents by Inventor Karl-Heinz Woller

Karl-Heinz Woller 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).

  • Gel matrix consisting of polyacrylic acid and polyvinyl pyrrolidone
    Publication number: 20050003012
    Abstract: A self-adhesive polyacrylic acid-based gel matrix. The gel matrix comprises a homopolymer and/or copolymer of vinyl pyrrolidone as crosslinker for the polyacrylic acid.
    Type: Application
    Filed: August 21, 2002
    Publication date: January 6, 2005
    Inventors: Karl-Heinz Woller, Jens Nierle
  • Silicone-based moisture absorbing matrix, particularly for caring for wounds and/or for the pharmaceutical/cosmetic treatment of skin
    Publication number: 20040175344
    Abstract: The invention relates to a silicone-based moisture absorbing matrix, particularly for caring for wounds and/or for the pharmaceutical/cosmetic treatment of skin, whereby the sticky matrix is comprised of: a) silicone; b) a gelling agent, and; c) optionally, a silicone resin.
    Type: Application
    Filed: April 23, 2004
    Publication date: September 9, 2004
    Inventor: Karl-Heinz Woller
  • Skincare substance patch
    Publication number: 20040009202
    Abstract: A matrix patch for the controlled delivery of cosmetic skincare additives to the skin, comprising a flexible outer layer and a water-insoluble pressure-sensitive adhesive matrix, the pressure sensitive matrix being free from mineral oils and tackifier resins and comprising:
    Type: Application
    Filed: May 12, 2003
    Publication date: January 15, 2004
    Applicant: Beiersdorf AG
    Inventor: Karl-Heinz Woller