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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.:

US 5202225 B1

PDFFull Text
Date of Patent:
Apr. 13, 1993

Filed:

Aug. 14, 1991

Silver halide photographic materials with redox releasers containing

Applicant:
Inventors:

Takeshi Nakamine, Kanagawa, JP;

Takayuki Ito, Kanagawa, JP;

Naoto Matsuda, Kanagawa, JP;

Koki Nakamura, Kanagawa, JP;

Hiroyuki Hirai, Kanagawa, JP;

Assignee:

Fuji Photo Film Co., Ltd., Kanagawa, JP;

Attorney:

Sughrue, Mion, Zinn, Macpeak & Seas

Primary Examiner:

Richard L Schilling

Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
430566 ; 430223 ; 430564 ; 430544 ; 430611 ; 430955 ; 430957 ; 430959 ;
Abstract

Disclosed is a silver halide photographic material comprising a support, having thereon at least one silver halide emulsion layer, wherein there is contained in the silver halide emulsion layer or other hydrophilic colloid layer a compound of which an oxidized form is produced in accordance with development of the silver halide and is capable of releasing a photographically useful group by means of a conjugated addition-elimination mechanism due to an intramolecular nucleophilic group attack.

Find Patent Forward Citations

Nakamine, Takeshi. (1993). Silver halide photographic materials with redox releasers containing (U.S. Patent No. 5202225). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5202225

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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