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:
Aug. 08, 1978
Filed:
Sep. 20, 1976
Tetsuo Sekiguchi, Hasuda, JP;
Masami Abe, Tokorozawa, JP;
Kouji Tsuruga, Ohmiya, JP;
Nobuhide Tominaga, Urawa, JP;
Argus Chemical Corporation, Brooklyn, NY (US);
Abstract
Improved clarity and resistance to deterioration on heating of polyvinyl fluoride and vinyl chloride polymers is obtained by employing a stabilizer composition consisting essentially of (A) a heterocyclic nitrogen compound having as part of a 5 or 6 membered heterocyclic ring the group ##STR1## in which R is hydrogen, aryl, or alkyl having 1 to 12 carbon atoms, and X is oxygen or sulfur, and (B) one or more 1,2-epoxides, organic phosphites, or stannous tin, zinc, magnesium, aluminum, potassium, sodium, calcium, strontium, or barium salts of non-nitrogenous monocarboxylic acids having from 6 to 24 carbon atoms or hydrocarbon-substituted phenols having from about 10 to about 30 carbon atoms.