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:
Feb. 03, 1976
Filed:
Dec. 02, 1974
Applicant:
Inventors:
Shigetoshi Hiraishi, Nagaokakyo, JA;
Kiyoshi Futaki, Nagaokakyo, JA;
Shoichi Horii, Nagaokakyo, JA;
Kiyoshi Yamashita, Nagaokakyo, JA;
Assignee:
Mitsubishi Paper Mills, Ltd., , JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
96 8 / ; 252300 ; 2603 / ; 427160 ;
Abstract
Compounds represented by the following general formula are extremely effective as ultraviolet ray-absorbing agent, especially, for color photographic photosensitive materials. ##SPC1## (wherein R.sub.1 is an alkyl group having 1 to 13, preferably 5 to 13 carbon atoms, R.sub.2 is an alkyl group having 1 to 18 carbon atoms and X is hydrogen, a halogen, an alkyl, an alkoxy, an aryloxy, an aralkyloxy or an aryl group).