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:
Jul. 04, 1989
Filed:
Jul. 10, 1985
Shinzo Kishimoto, Kanagawa, JP;
Shigeru Ohno, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A method for processing a silver halide color photographic light-sensitive material by subjecting an exposed silver halide color photographic light-sensitive material to color development, then to bleaching and fixing or then to bleach-fixing, which method comprises using a ferric ion complex salt as a bleaching agent in the bleaching or bleach-fixing and incorporating at least one compound represented by general formula (I) described below or a salt thereof: ##STR1## wherein R.sup.1 and R.sup.2 each represents a hydrogen atom, a hydroxy group, a substituted or unsubstituted amino group, a carboxy group, a sulfo group or a substituted or unsubstituted alkyl group; R.sup.3 and R.sup.4 each represents a hydrogen atom, a substituted or unsubstituted alkyl group or a substituted or unsubstituted acyl group or R.sup.3 and R.sup.4 may be bonded to each other to form a ring; M represents a hydrogen atom, an alkali metal atom or an ammonium group; and n represents an integer of 2 to 5 in a bleaching bath or bleach-fixing bath or in a prebath of the bleaching bath or bleach-fixing bath. The method of the present invention does not produce poisonous materials which are harmful to the environment and provides an excellent high speed bleaching process without harming other photographic properties.