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:
Apr. 25, 1989
Filed:
Feb. 07, 1986
Applicant:
Inventors:
Kozo Sato, Kanagawa, JP;
Hiroshi Kitaguchi, Kanagawa, JP;
Masashi Takeuchi, Kanagawa, JP;
Masaaki Tsukase, Kanagawa, JP;
Masatoshi Kato, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430203 ; 430351 ; 430352 ; 430353 ; 430611 ; 430617 ; 430619 ; 430955 ; 430957 ; 430960 ;
Abstract
A method for forming an image, which comprises heating a light-sensitive material in the presence of a compound capable of forming a 2-mercaptobenzazole ring by a ring closing reaction when heated. In accordance with the method of the present invention, development is stopped at an appropriate time of development whereby an image having a high maximum density and low fog is obtained. A heat-developable light-sensitive material containing the compound is also disclosed.