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:
Aug. 03, 1993
Filed:
May. 01, 1991
Applicant:
Inventors:
Ronald E MacLeay, Williamsville, NY (US);
Terry N Myers, Grand Island, NY (US);
Assignee:
Elf Atochem North America, Inc., Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548260 ; 548261 ; 558302 ; 560 13 ; 562439 ; 562440 ; 564149 ; 564150 ;
Abstract
Hydrazide functionalized benzotrialzole and oxanilide ultraviolet absorbers (Formulas I and II) useful for stabilizing coreactive or inert polymeric compositions and novel intermediates (Formula III used to make certain types of compounds of Formula I) are disclosed and have the general formulas: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9, X, Y, all substituents thereof, and n are set forth in the Summary of the Invention.