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:
Mar. 07, 1978
Filed:
Aug. 15, 1975
Applicant:
Inventors:
Taira Fujita, Nishinomiya, JA;
Kondo Yutaka, Tokyo, JA;
Nozomi Abe, Osaka, JA;
Takashi Akamatsu, Ashiya, JA;
Assignees:
Sumitomo Chemical Company, Limited, Osaka, JA;
Kyodo Chemical Company, Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C08K / ;
U.S. Cl.
CPC ...
2603 / ; 252300 ; 252403 ; 106176 ; 260 / ; 536 76 ; 536 85 ; 536 58 ; 536 82 ; 536 56 ; 2603985 ;
Abstract
A compound of the formula, wherein R.sub.1 is hydrogen or a halogen atom, R.sub.2 is ##STR1## R.sub.3 is hydrogen, an alkyl group, a cycloalkyl group or an aralkyl group, and n is an integer of 1 or 2, which is useful as ultraviolet absorber.