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. 29, 1987
Filed:
Sep. 26, 1983
Applicant:
Inventors:
Wen-Hsuan Chang, Gibsonia, PA (US);
Michael M Chau, Gibsonia, PA (US);
Robert Piccirilli, Gibsonia, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; C09K / ; C08F / ; C07D / ;
U.S. Cl.
CPC ...
524 91 ; 252401 ; 524 99 ; 524100 ; 524102 ; 524103 ; 525162 ; 5253288 ; 525375 ; 525157 ; 528253 ; 528254 ; 528258 ; 546187 ; 546188 ; 546189 ; 546190 ; 546210 ; 544198 ;
Abstract
A composition of matter contains as a principal component a material which acts as an ultraviolet light stabilizer. The ultraviolet light stabilizer is formed from the reaction of (a) a methylol or alkoxy alkyl-containing material, and (b) an alkyl substituted piperidine containing material which is represented by the following structural formula: ##STR1## R' is hydrogen or C.sub.1 to C.sub.6 alkyl, R.sub.10 is hydrogen or methyl,