Patents by Inventor Glenn Gutkowski

Glenn Gutkowski 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).

  • Modified colorants and uses of the same
    Publication number: 20070020208
    Abstract: Modified colorants are made from a modifying agent, such as platelet alumina, and a colorant. The colorant may be fixed to the surface of the modifying agent, optionally with a surface treatment. The colorant may not completely coat the surface of the modifying agent, and the edge of the modifying agent may be substantially free of colorant. The modified colorants may be used in cosmetic products.
    Type: Application
    Filed: January 25, 2006
    Publication date: January 25, 2007
    Applicant: Sensient Colors Incorporated
    Inventors: Glenn Gutkowski, William Thys