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:
Nov. 17, 1987
Filed:
Sep. 04, 1986
Applicant:
Inventors:
Mitsuo Akutsu, Tokyo, JP;
Mitsuharu Kanai, Saitama, JP;
Assignee:
Adeka Argus Chemical Co., Ltd., Urawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524 99 ; 524103 ; 546186 ; 546244 ; 252401 ;
Abstract
Water-soluble or dispersible 2,2,6,6-tetramethylquaternary ammonium halides are provided, effective as stabilizers to increase the resistance to deterioration when exposed to light of synthetic resins, and having the formula: ##STR1## wherein: R.sub.1, R.sub.3 and R.sub.4 are alkyl having from one to about twelve carbon atoms;