Patents by Inventor Dwight William Chasar

Dwight William Chasar 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).

  • 4-Hydroxydiphenyl sulfoxide compositions
    Patent number: 4066619
    Abstract: Polyolefins are stabilized against heat and light degradation by including in said polyolefins an unsymmetrical 4-hydroxydiphenyl sulfoxide.
    Type: Grant
    Filed: November 2, 1976
    Date of Patent: January 3, 1978
    Assignee: The B. F. Goodrich Company
    Inventor: Dwight William Chasar
  • 5-Hydroxydiphenyl sulfoxide compositions
    Patent number: 4055540
    Abstract: Polyolefins are stabilized against heat and light degradation by including in said polyolefins an unsymmetrical 5-hydroxydiphenyl sulfoxide.
    Type: Grant
    Filed: November 2, 1976
    Date of Patent: October 25, 1977
    Assignee: The B. F. Goodrich Company
    Inventor: Dwight William Chasar
  • Light resistant polyolefin compositions
    Patent number: 4048140
    Abstract: Polyolefins are stabilized against heat and light degradation by including in said polyolefins an unsymmetrical 2-hydroxydiphenyl sulfoxide.
    Type: Grant
    Filed: November 2, 1976
    Date of Patent: September 13, 1977
    Assignee: The B. F. Goodrich Company
    Inventor: Dwight William Chasar
  • 2,4-Dihydroxydiphenyl sulfoxide
    Patent number: 4032505
    Abstract: 2,4-Dihydroxydiphenyl sulfoxide prepared by the reaction of benzenesulfinyl chloride and resorcinol is useful as a photostabilizer for polyolefins.
    Type: Grant
    Filed: November 2, 1976
    Date of Patent: June 28, 1977
    Assignee: The B. F. Goodrich Company
    Inventor: Dwight William Chasar