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:
Sep. 08, 1998
Filed:
Mar. 20, 1997
Applicant:
Inventors:
Hajime Saito, Sabae, JP;
Masahiro Makino, Sabae, JP;
Assignee:
Nicca Chemical Co., Ltd., Fukui, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06P / ; D06P / ; D06M / ;
U.S. Cl.
CPC ...
811558 ; 81156 ; 811565 ; 8490 ; 252-861 ; 252589 ; 548260 ; 430512 ;
Abstract
An ultraviolet absorber comprising, as an effective component, a benzotriazole compound represented by the following general formula (I) ##STR1## wherein R represents hydrogen, methyl, ethyl or phenyl. The ultraviolet absorber undergoes minimal sublimation, has excellent thermal resistance, provides satisfactory light fastness for materials made of polyester-based synthetic fibers, particularly cation-dyeable polyester-based fibers, and is also inexpensive, generates few by-products and is easy to produce industrially.