Patents by Inventor Siol Werner

Siol Werner 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).

  • Hydrogel
    Patent number: 8329763
    Abstract: The invention relates to hydrogels containing water and polyethylene glycol-dimethacrylates in a polymerized form. The polymethacrylate blocks are so short that they form no proper phase. The invention further relates to methods for producing said hydrogels. The inventive hydrogels are provided with reduced haze and are used as materials for contact lenses, electrophoresis gels, membrane materials, and sound-absorbing materials.
    Type: Grant
    Filed: September 20, 2004
    Date of Patent: December 11, 2012
    Assignee: Evonik Roehm GmbH
    Inventor: Siol Werner