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:
Sep. 24, 1991
Filed:
Feb. 08, 1990
Applicant:
Inventors:
Assignee:
Konica Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430505 ; 430506 ; 430544 ; 430362 ;
Abstract
A silver halide reversal photographic light-sensitive material is disclosed, which is improved in color reproducibility and gradation. The photographic material comprises a support having thereon a photographic component layers including at least two silver halide layers and a DIR layer. At least one of the emulsion layers comprises at least two silver halide emulsion layers which are substantially the same in color-sensitivity and different from each other in speed. The DIR layer contains a DIR compound and a silver halide emulsion and does not substantially contribute for any image formation.