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:
Feb. 24, 1981
Filed:
Apr. 17, 1979
Michio Ito, Shiraoka, JP;
Yoshimitsu Numajiri, Showa, JP;
Seiji Kimura, Washinomiya, JP;
Tetsuo Sekiguchi, Hasuda, JP;
Argus Chemical Corporation, Brooklyn, NY (US);
Abstract
An anti-yellowing additive is provided for environmentally acceptable stabilized vinyl chloride polymer compositions from which arsenic, beryllium, cadmium, lead, mercury, and thallium are substantially excluded, comprising at least one overbased sulfonate or phenolate compound of lithium, sodium, potassium, magnesium, calcium, strontium, barium, zinc, titanium, aluminum, zirconium, or tin, and a 1,3-diketone compound having 5 to 30 carbon atoms, which is a cyclic or open-chain 1,3-diketone or a lithium, sodium, potassium, magnesium, calcium, strontium, barium, zinc, aluminum, tin or zirconium salt thereof.