The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 30, 1980
Filed:
Dec. 19, 1979
John L Sanok, Wyandotte, MI (US);
Albert F Reilly, Howell, MI (US);
Sheller-Globe Corporation, Toledo, OH (US);
Abstract
This disclosure relates to a new color stable integral skin polyurethane foam and method of producing the same wherein an integral skin foam is provided which will not 'yellow' or change color severely when exposed to ultraviolet light or other visible radiation. The foam composition in its most basic aspect involves the combination of a polyol, an isocyanate, and a crosslinker or chainextender, with a catalyst comprised of stannous octoate and dimethyltin dilaurate. Other ingredients such as a blowing agent, a pigment, an ultraviolet stabilizer, an anti-oxidant, and an anti-ozonant may be added depending upon the final properties desired.