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:
Jan. 25, 1983
Filed:
Aug. 31, 1981
Applicant:
Inventor:
Joseph A Hoffman, Bridgewater, NJ (US);
Assignee:
American Cyanamid Company, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
524 96 ; 524 99 ; 524103 ; 544129 ; 546187 ; 546186 ; 546191 ;
Abstract
Oligomers of the formula ##STR1## which contain at least one piperidyl radical per repeating unit are useful as light stabilizers for polymers.