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. 05, 1979
Filed:
Apr. 28, 1977
Applicant:
Inventors:
Kikuo Kubotera, Asaka, JP;
Akira Kashiwabara, Asaka, JP;
Kotaro Sato, Asaka, JP;
Hisatake Ono, Asaka, JP;
Hideo Sato, Asaka, JP;
Yuzo Mizobuchi, Asaka, JP;
Assignee:
Fuji Photo Film Co., Ltd., Minima-ashigara, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
96 2 / ; 96 4 / ; 96 6 / ;
Abstract
A process for intensifying a silver image formed photographically to obtain a non-silver metal image of high optical density comprising treatment with a non-silver physical developer solution containing (1) at least one of an amine borane compound and a borohydride compound, (2) at least one of an amine compound and an ammonium compound, and (3) a compound of a non-silver metal, within a specified temperature range and the non-silver physical developer solution used therein.