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. 15, 1990
Filed:
May. 02, 1988
Applicant:
Inventors:
Assignee:
Konica Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430569 ; 430570 ;
Abstract
Disclosed is a light-sensitive silver halide photographic material having at least one layer comprising a silver halide photographic emulsion, wherein the silver halide photographic emulsion is obtained by addition of a spectral sensitizing dye during the desalting step in obtaining the emulsion. According to the present invention, there can be obtained a highly sensitive light-sensitive material with little stain, good pressure blackening performance and yet great absorption of the dye.