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:
Sep. 09, 1980
Filed:
Jul. 03, 1978
Argus Chemical Corp., Brooklyn, NY (US);
Abstract
An anti-yellowing additive is provided for environmentally acceptable stabilized vinyl chloride polymer compositions from which arsenic, cadmium, lead, mercury, and thallium are substantially excluded, comprising at least one basic inorganic compound of lithium, sodium, potassium, magnesium, calcium, strontium, barium, zinc, titanium, aluminum, zirconium, or tin, and a 1,3-diketone compound represented by the formula ##STR1## in which R is a hydrocarbon group having 1 to 18 carbon atoms, R' is a hydrogen atom, an acyl group ##STR2## or a hydrocarbon group having 1 to 18 carbon atoms, R' is a hydrogen atom or a hydrocarbon group having 1 to 18 carbon atoms, M is a hydrogen or one of the metals lithium, sodium, potassium, magnesium, calcium, strontium, barium, zinc, aluminum, and antimony, and n is the valence of the metal from 1 to 3.