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:
Oct. 18, 1988
Filed:
Dec. 24, 1986
Applicant:
Inventors:
Paul S Waterman, Shelton, CT (US);
Frank F Loffelman, Bridgewater, NJ (US);
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
524 89 ; 524 91 ; 524 94 ; 524102 ; 524103 ;
Abstract
A method of stabilizing an acid cured coating formulation against photo and/or thermal degradation without adverse effect on acid cure is disclosed. The method discloses incorporating a stabilizingly effective amount of a hindered amine light stabilizer (HALS) represented by Formula I: ##STR1## wherein R is a saturated or unsaturated, optionally alkyl- or alkenyl-substituted alkylene or cycloalkylene radical having 2-20 C-atoms and R' is selected from the group consisting of: