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:
May. 19, 1981
Filed:
Jan. 18, 1980
Applicant:
Inventors:
Junkichi Ogawa, Minami-ashigara, JP;
Tsutomu Hamanka, Minami-ashigara, JP;
Assignee:
Fuji Photo Film Co., Ltd., Minami-ashigara, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430364 ; 430384 ; 430385 ; 430402 ; 430552 ; 430553 ; 430565 ; 430380 ;
Abstract
A process for forming photographic images comprising a silver image and a dye image, which comprises development processing an imagewise exposed silver halide photographic light-sensitive material in the presence of a carboxy- and sulfo-free naphthalene compound wherein at least two hydrogen atoms in the naphthalene nucleus are substituted at specific positions thereof as indicated in formula (I) below, and a 3-pyrazolidone compound.