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.

Date of Patent:
Sep. 09, 1980

Filed:

Jul. 03, 1978
Applicant:
Inventors:

Motonobu Minagawa, Koshigaya, JP;

Tetsuo Sekiguchi, Hasusa, JP;

Kenji Nakazawa, Urawa, JP;

Assignee:

Argus Chemical Corp., Brooklyn, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
260 / ; 2524 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ;
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.


Find Patent Forward Citations

Minagawa, Motonobu. (1980). Anti-yellowing composition (U.S. Patent No. 4221687). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4221687

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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