Patents by Inventor Glenn A. Gutkowski

Glenn A. 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
    Patent number: 7964178
    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: Grant
    Filed: January 25, 2006
    Date of Patent: June 21, 2011
    Assignee: Sensient Colors Incorporated
    Inventors: Glenn A. Gutkowski, William F. Thys
  • COLORANTS SURFACE TREATED WITH URETHANES AND METHODS FOR MAKING AND USING THE SAME
    Publication number: 20090185984
    Abstract: Compositions including colorants surface-treated with silicone polyurethanes, and methods for making surface-treated colorant products, are provided. Cosmetic, . . . personal care, skin care, nail and hair products including the surface treated colorants are disclosed. Also provided are methods for improving the hydrophobicity, or the adherence to the surface of skin, of a colorant. The methods include surface-treating a colorant with an effective amount of a silicone polyurethane to form a surface-treated colorant having an improved hydrophobilicy or an improved adherence to a skin surface compared to the colorant before surface-treatment.
    Type: Application
    Filed: October 12, 2006
    Publication date: July 23, 2009
    Applicant: SENSIENT COLORS INC.
    Inventors: Glenn A. Gutkowski, William F. Thys
  • 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