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. 22, 1982
Filed:
Feb. 04, 1981
Applicant:
Inventors:
Eiji Kanada, Nagaokakyo, JP;
Yasuo Tsubai, Nagaokakyo, JP;
Shoji Yamada, Nagaokakyo, JP;
Yoshikazu Takaya, Nagaokakyo, JP;
Takao Senga, Nagaokakyo, JP;
Assignee:
Mitsubishi Paper Mills, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430234 ; 430581 ; 430583 ; 430585 ; 430270 ; 430271 ; 430273 ; 430569 ; 430566 ; 430611 ; 430614 ;
Abstract
In a silver halide photographic material, at least one mercapto complexing agent for silver salt is contained in at least one photographic constituting layer and at least one anion or betaine type cyanine sensitizing dye is contained in silver halide emulsion layer to improve photographic defects such as reduction of sensitivity, softening in tone, etc.