Patents by Inventor Irene A. E. Fraser

Irene A. E. Fraser 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).

  • Liquid, solvent-free, non-toxic stabilizers and vinyl chloride resin compositions containing same
    Patent number: 4348494
    Abstract: Liquid, solvent-free, non-toxic stabilizers for vinyl chloride resin compositions comprise a major amount of a liquid epoxy compound and minor amounts of magnesium, zinc, and calcium salts of alkanoic acids having 6 to 26 carbon atoms, an organosulfur compound, and an organic phosphite. Vinyl chloride resin compositions that contain these stabilizers are characterized by excellent heat and light stability, color, and clarity.
    Type: Grant
    Filed: June 10, 1980
    Date of Patent: September 7, 1982
    Assignee: Tenneco Chemicals, Inc.
    Inventors: Mahmoud Kheidr, Irene A. E. Fraser
  • Surface-coating compositions containing calcium salt loss-of-dry inhibitors and a method of preparing same
    Patent number: 4032354
    Abstract: Surface-coating compositions that comprise an oxidizable organic film-forming resinous vehicle containing from 0.5% to 5.0%, based on vehicle solids, of a loss-of-dry inhibitor that is a suspension of finely divided calcium hydroxide in a solution containing at least one calcium salt of a branched-chain aliphatic monocarboxylic acid having 6 to 14 carbon atoms, a cycloaliphatic monocarboxylic acid having 6 to 10 carbon atoms, or a mixture of these acids.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: June 28, 1977
    Assignee: Tenneco Chemicals, Inc.
    Inventor: Irene A. E. Fraser