Patents by Inventor James Wayne Rawlins

James Wayne Rawlins 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).

  • Reactive hyperbranched polymers for powder coatings
    Patent number: 6114489
    Abstract: Novel powder coating compositions containing reactive hyperbranched polymers are disclosed and claimed. Preferred embodiments include powder coating compositions formed from hyperbranched polyesters having terminal hydroxy, carboxy, epoxy, and isocyanate groups. Preferred hyperbranched polyesters are formed from .alpha.,.alpha.-bis-(hydroxymethyl)-propionic acid, which act either as crosslinkers, adhesion promotors, or flow and leveling agents.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: September 5, 2000
    Assignee: Herberts GmbH
    Inventors: Richard Vicari, Olan Stanley Fruchey, Kathleen Nelson Juneau, Shelby Freland Thames, James Wayne Rawlins