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:
Jun. 27, 1978
Filed:
Oct. 27, 1976
Applicant:
Inventor:
Tadaaki Tani, Minami Ashigara, JA;
Assignee:
Fuji Photo Film Co., Ltd., Minami Ashigara, JA;
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
96126 ; 96107 ; 96109 ;
Abstract
A method for spectrally sensitizing a silver halide photographic emulsion with a supersensitizing combination as hereinafter described, wherein the combination of a trimethinecyanine dye and a nitrogen-containing heterocyclic compound having a mercapto group, which is capable of producing a slightly soluble silver salt by reacting with a silver ion, is incorporated in the emulsion in a supersensitizing amount.