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:
Jul. 02, 1996
Filed:
Sep. 13, 1994
Applicant:
Inventors:
Toshitsugu Matsuki, Matsuyama, JP;
Toshihiro Santa, Matsuyama, JP;
Assignee:
Teijin Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564158 ; 564154 ; 564155 ; 564156 ; 524223 ;
Abstract
An aromatic o-hydroxyamide compound of the formula (I) ##STR1## wherein the formula: ##STR2## is a divalent aromatic group the formula: ##STR3## R.sup.1 =H, halogen, C.sub.1-10 alkyl group, or C.sub.1 -alkoxyl group, Ar.sub.1, Ar.sub.2, Ar.sub.3 =a divalent aromatic groups, X, Y=O or S, and n=0 or 1, has an excellent ultraviolet ray-absorption and heat-resistance and is useful for enhancing an ultraviolet ray-resistance of polymeric materials, for example, wholly aromatic polyamide fibers.