Patents by Inventor John Rathman

John Rathman 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).

  • Phosphite additives in polyolefins
    Patent number: 7157511
    Abstract: The whiteness and stability after processing of a polyolefin have been found to be improved upon the addition of a combination of at least one high activity phosphite and at least one hydrolytically stable phosphite.
    Type: Grant
    Filed: November 21, 2003
    Date of Patent: January 2, 2007
    Inventors: Rex L. Bobsein, Bryan E. Hauger, William R. Coutant, John Rathman
  • Phosphite additives in polyolefins
    Publication number: 20050113494
    Abstract: The whiteness and stability after processing of a polyolefin have been found to be improved upon the addition of a combination of at least one high activity phosphite and at least one hydrolytically stable phosphite.
    Type: Application
    Filed: November 21, 2003
    Publication date: May 26, 2005
    Inventors: Rex Bobsein, Bryan Hauger, William Coutant, John Rathman