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:
Jan. 13, 1976
Filed:
Feb. 24, 1975
Applicant:
Inventors:
Assignee:
Mitsubishi Paper Mills, Ltd., , JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
96 8 / ; 2602402 ;
Abstract
Irradiation and halation of a silver halide photographic lightsensitive material can be prevented by adding at least one of dyes represented by the following general formula to the layers on one or both sides of the light sensitive material. ##SPC1## (wherein X is hydrogen atom, hydroxyl group, a halogen atom or a lower alkyl group, L is a methine group which may be substituted with a lower alkyl group at mesoposition, M is hydrogen atom, an alkali metal or ammonium group and n is 1 or 2).