Patents by Inventor Anna K. Gaines

Anna K. Gaines 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).

  • Stable, reduced gloss electrocoat compositions and methods for using the same
    Patent number: 6887360
    Abstract: Electrocoat compositions providing coatings having reduced gloss levels are disclosed. The reduction in gloss is achieved through the incorporation of a solid polymer additive to a standard electrocoat composition. The polymer additive includes particulate polyacrylate, particulate aliphatic polyurethane/polyurea copolymers, or mixtures thereof. Low and medium gloss compositions can be achieved. A paste containing these polymer additives is also disclosed. Methods for using these compositions are also disclosed, as are methods for reducing the gloss of an E-coat composition.
    Type: Grant
    Filed: October 12, 2001
    Date of Patent: May 3, 2005
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Udo Retzlaff, Anna K. Gaines
  • Stable, reduced gloss electrocoat compositions and methods for using the same
    Publication number: 20030150729
    Abstract: Electrocoat compositions providing coatings having reduced gloss levels are disclosed. The reduction in gloss is achieved through the incorporation of a solid polymer additive to a standard electrocoat composition. The polymer additive includes particulate polyacrylate, particulate aliphatic polyurethane/polyurea copolymers, or mixtures thereof. Low and medium gloss compositions can be achieved. A paste containing these polymer additives is also disclosed. Methods for using these compositions are also disclosed, as are methods for reducing the gloss of an E-coat composition.
    Type: Application
    Filed: October 12, 2001
    Publication date: August 14, 2003
    Inventors: Udo Retzlaff, Anna K. Gaines