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:
Feb. 27, 1990
Filed:
Apr. 15, 1988
Applicant:
Inventors:
Assignee:
Konishiroku Photo Industry Co., Ind., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430567 ; 430569 ; 430940 ;
Abstract
A direct positive silver halide photographic light sensitive material including a support having thereon at least one silver halide emulsion layer containing internal latent image silver halide grains, each of the grains comprising a core/shell structured particle comprising a core, at least one intermediate layer, and an outermost layer formed thereon. The outermost layer consists essentially of silver chloride which accounts for no more than 10 mol % of the silver halide in the internal latent image silver halide grain. Such photographic materials display an increased sensitivity while maintaining an adequate image density.