Title:
REDUCING SOLUTION AND METHOD FOR REDUCTION PROCESSING OF SILVER IMAGE
Document Type and Number:
Japanese Patent JP2769063
Kind Code:
B2
Abstract:
PURPOSE: To enhance reduction speed, reduction aptitude, and reduction operation performance and to prevent deposition of precipitates even after the lapse of time by incorporating the ferric chelate compound of at least one kind of specified amino compound.
CONSTITUTION: The reducing solution contains the ferric chelate compound of at least one of the amino compounds represented by formulae I and II and the like in which X is -C(=X11)-N(Ra)-Rb, -N(Rc)-C(=X12)-Rd, -SRi, or the like; each of X11 and X12 is O or S; each of Ra, Rb, Rc, Rd, and Ri is H, an aliphatic or aromatic group or the like; L1 is an aliphatic, aromatic, or heterocyclic group, and/or a combination of them; each of R11 and R12 is H, an aliphatic, aromatic, or heterocyclic group; L2 is a divalent bonding group; X is a heterocyclic group; (m) is 0 or 1; and each of R21 and R22 is same as R11.
Inventors:
Okada Hisa
Yagihara Morio
Katsumi Hayashi
Yagihara Morio
Katsumi Hayashi
Application Number:
JP540492A
Publication Date:
June 25, 1998
Filing Date:
January 16, 1992
Export Citation:
Assignee:
Fuji Photo Film Co., Ltd.
International Classes:
C09K3/00; G03C5/29; G03C5/42; G03C5/44; (IPC1-7): G03C5/42
Domestic Patent References:
| JP5134364A | ||||
| JP5129015B2 |
Attorney, Agent or Firm:
Norihiko Uchida (7 outside)