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:
Oct. 05, 1999
Filed:
Dec. 01, 1997
Applicant:
Inventor:
Takeshi Sampei, Hino, JP;
Assignee:
Konica Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430440 ; 430446 ; 430488 ;
Abstract
A method for processing a black-and-white silver halide photographic light-sensitive material. The method comprises the steps of (1) developing the black-and-white photographic light-sensitive material containing a quaternary onium compound with a developer containing ascorbic acid or a derivative thereof and having a pH value of from 8.0 to 10.0, (2) fixing the light-sensitive material, (3) washing the light-sensitive material by an automatic processor having a multi-step counter flow washing system, and (4) drying the light-sensitive material.