Patents by Inventor Peter P. Priga

Peter P. Priga 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).

  • Stabilization of polyether polyols
    Patent number: 4010211
    Abstract: Polyether polyols and polyurethane foams are stabilized by the inclusion therein of a mixture of 2,6-di-tertiarybutyl-4-methyl phenol, a disubstituted diphenyl amine, and a select phenothiazine compound.
    Type: Grant
    Filed: May 12, 1975
    Date of Patent: March 1, 1977
    Assignee: Olin Corporation
    Inventors: Frank J. Preston, Peter P. Priga
  • Catalytically stable halogenated polyol composition
    Patent number: 3980579
    Abstract: A catalytically stabilized polyol composition, for use in the preparation of polyurethane foam, is disclosed which comprises a halogen-containing polyol, an amine catalyst and a sulfur-containing organotin compound.
    Type: Grant
    Filed: October 18, 1974
    Date of Patent: September 14, 1976
    Assignee: Olin Corporation
    Inventors: Allan H. Syrop, Peter P. Priga