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. 14, 1980
Filed:
Apr. 12, 1979
Applicant:
Inventor:
Burnett H Johnson, Baytown, TX (US);
Assignee:
Exxon Research & Engineering Co., Florham Park, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C07F / ;
U.S. Cl.
CPC ...
260 / ; 2604381 ;
Abstract
Copper chelates of 2-hydroxybenzophenones useful as UV light absorbers are employed to stabilize organic compositions such as polymer compositions against degradation on embrittlement on exposure to UV light.