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:
Nov. 22, 1977
Filed:
Sep. 12, 1975
Applicant:
Inventors:
Masatoshi Sugiyama, Minami-ashigara, JA;
Eiichi Kato, Minami-ashigara, JA;
Yasuharu Nakamura, Minami-ashigara, JA;
Assignee:
Fuji Photo Film Co., Ltd., Minami-ashigara, JA;
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
96 8 / ; 96 57 ;
Abstract
A silver halide photographic light-sensitive element containing at least one hydrophilic colloid layer which contains a basic polymer and at least one oxonol dye which contains two pyrazolone nuclei in which the 3-position of the pyrazolone nuclei is substituted with a phenyl group-containing residue and in which the 1-position of the pyrazolone nuclei is substituted with a sulfo group containing aliphatic group.