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. 11, 1980
Filed:
Oct. 01, 1976
Applicant:
Inventors:
Mitsuto Fujiwhara, Hino, JP;
Syunji Matsuo, Hino, JP;
Mikio Kawasaki, Hino, JP;
Toyoaki Masukawa, Hino, JP;
Yutaka Kaneko, Hino, JP;
Assignee:
Konishiroku Photo Industry Co., Ltd., Nihonbashi-Muro, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430373 ;
Abstract
An improved process for forming an amplified dye image on an image-wise, exposed light-sensitive silver halide photographic material is described, which, after developing, is processed with an amplifying solution the improvement being in that (a) the coupler is in stoichiometric excess of at least 50% relative to the amount of silver halide, (b) the dry thickness ratio of the hydrophilic colloid layer to the silver halide emulsion layer is 1 to 10 and (c) the amplifying solution contains hydrogen peroxide.