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US4778748A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for processing light-sensitive silver halide color photographic material

Assignee: Konica Minolta Inc
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Filing: 1987-01-22
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Granted: 1988-10-18
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Expires: 2007-01-22
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Abstract

Abstract A method for processing a light-sensitive silver halide photographic material, which comprises processing a light-sensitive silver halide photographic material subjected to imagewise exposure with a processing solution having fixing ability, and thereafter processing the material with a first stabilizing solution having a surface tension of 20 to 78 dyne/cm and a second stabilizing solution having a surface tension of 8 to 60 dyne/cm substantially without performing the water washing step.

Inventors

  • 👤 Satoru Kuse
  • 👤 Shigeharu Koboshi
  • 👤 Kazuhiro Kobayashi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 15:49
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/42; G03C7/3046

Claims Analysis

Total Claims: 20
Claim 1
Independent Claim 235 words
A method for processing a light-sensitive silver halide color photographic material, which comprises processing the light-sensitive silver halide color photographic material subjected to imagewise exposure with a processing solution having developing ability, a processing solution having fixing ability, and thereafter sequentially processing said material with a first aqueous stabilizing solution comprising a first surfactant in an amount effective to give to the first aqueous solution a surface tension of 20 to 78 dyne/cm and then with a second aqueous stabilizing solution comprising a second surfactant in an amount effective to give to the second aqueous stabilizing solution a surface tension of 8 to 60 dyne/cm, substantially without performing a water washing step after the processing with the solution having fixing ability, said first surfactant and said second surfactant being the same or different; and wherein each of said first and second light-sensitive silver halide photographic materials contains at least one of the compounds represented by the formula (I) below: ##STR11## wherein each of Z 1 and Z 2 represents a group of atoms necessary for formation of a benzene ring or a naphthalene ring fused to the oxazole ring; each of R 1 and R 2 represents an alkyl group, an alkenyl group or an aryl group; R 3 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; X 1 .sup.⊖ represents an anion; and n is 0 or 1.
Claim 2
Independent Claim 235 words
A method for processing a light-sensitive silver halide color photographic material, which comprises processing the light-sensitive silver halide color photographic material subjected to imagewise exposure with a processing solution having developing ability, a processing solution having fixing ability, and thereafter sequentially processing said material with a first aqueous stabilizing solution comprising a first surfactant in an amount effective to give to the first aqueous solution a surface tension of 20 to 78 dyne/cm and then with a second aqueous stabilizing solution comprising a second surfactant in an amount effective to give to the second aqueous stabilizing solution a surface tension of 8 to 60 dyne/cm, substantially without performing a water washing step after the processing with the solution having fixing ability, said first surfactant and said second surfactant being the same or different; and wherein each of said first and second light-sensitive silver halide photographic materials contains at least one of the compounds represented by the formula (I) below: ##STR11## wherein each of Z 1 and Z 2 represents a group of atoms necessary for formation of a benzene ring or a naphthalene ring fused to the oxazole ring; each of R 1 and R 2 represents an alkyl group, an alkenyl group or an aryl group; R 3 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; X 1 .sup.⊖ represents an anion; and n is 0 or 1.
Claim 3
Dependent Claim 26 words
The method for processing a light-sensitive silver halide photographic material according to claim 1, wherein the second stabilizing solution contains 0.7×10 -5 mole/l of a thiosulfate.
Claim 4
Dependent Claim 28 words
The method for processing a light-sensitive silver halide photographic material according to claim 1, wherein the first stabilizing solution has a surface tension of 50 to 75 dyne/cm.
Claim 5
Dependent Claim 28 words
The method for processing a light-sensitive silver halide photographic material according to claim 1, wherein the second stabilizing solution has a surface tension of 15 to 45 dyne/cm.
Claim 6
Dependent Claim 31 words
The method for processing a light-sensitive silver halide photographic material according to claim 1, wherein the first stabilizing solution and the second stabilizing solution have a pH of 4 to 9.
Claim 7
Dependent Claim 36 words
The method for processing a light-sensitive silver halide photographic material according to claim 1, wherein the first stabilizing solution contains a chelating agent having a chelate stability constant with iron (III) ions of 8 or more.
Claim 8
Dependent Claim 29 words
The method for processing a light-sensitive silver halide photographic material according to claim 2, wherein the second stabilizing solution contains 2×10 -5 to 200×10 -5 mole/l of a thiosulfate.
Claim 9
Dependent Claim 44 words
The method for processing a light-sensitive silver halide photographic material according to claim 1 wherein the amount of each of said first and said second stabilizing solutions used in said processing being up to 6000 ml per 1 m 2 of said light-sensitive material.
Claim 10
Dependent Claim 154 words
The method for processing a light-sensitive silver halide photographic material according to claim 1, wherein said second surfactant is selected from the group consisting of a compound of formula (II) shown below and a compound of formula (III) shown below, and a water-soluble organic siloxane compound: A--O--(B).sub.m --X.sub.2 (II) wherein A represents a monovalent organic group, B represents ethylene oxide or propylene oxide, m represents an integer of 4 to 50, X 2 represents a hydrogen atom, SO 3 Y or PO 3 Y 2 , and Y represents a hydrogen atom, an alkali metal or an ammonium ion; ##STR12## wherein each of R 4 , R 5 R 6 and R 7 represents a hydrogen atom, an alkyl group or a phenyl group, with the total number of the carbon atoms of R 4 , R 5 , R 6 and R 7 being 3 to 50 and X 3 represents an anion.
Claim 11
Dependent Claim 95 words
The method for processing a light-sensitive silver halide photographic material according to claim 1, wherein said second stabilizing solution contains as said surfactant the water-soluble organic siloxane compound represented by the formula (IV) shown below: ##STR13## wherein R 8 represents a hydrogen atom, a hydroxy group, a lower alkyl group, an alkoxy group, ##STR14## represents a lower alkyl group, said R 9 , R 10 and R 11 being either the same or different, l represents an integer of 1 to 4, and each of p and q represents an integer of 1 to 15.
Claim 12
Dependent Claim 23 words
A method for processing a light-sensitive silver halide photographic material according to claim 1, wherein said compound represented by formula (I) is ##STR15##
Claim 13
Dependent Claim 26 words
A method for processing a light-sensitive silver halide photographic material according to claim 1, wherein said first stabilizing solution contains a surfactant having the formula ##STR16##
Claim 14
Dependent Claim 30 words
A method for processing a light-sensitive silver halide photographic material according to claim 9, wherein each of said first stabilizing solution and said second stabilizing solution contains as surfactant ##STR17##
Claim 15
Dependent Claim 23 words
The method for processing a light-sensitive silver halide photographic material according to claim 1, wherein said second stabilizing solution contains as surfactant ##STR18##
Claim 16
Dependent Claim 29 words
The method for processing a light-sensitive silver halide photographic material according to claim 1, wherein said first stabilizing solution and said second stabilizing solution are not admixed during processing.
Claim 17
Dependent Claim 44 words
The method for processing a light-sensitive silver halide photographic material according to claim 1, wherein the amount of each of said first and second stabilizing solutions used in said processing is from 20 ml to 4000 ml per m 2 of said light-sensitive material.
Claim 18
Dependent Claim 43 words
The method for processing a light-sensitive silver halide photographic material according to claim 1, wherein the first stabilizing solution is fungicidally treated by at least one of (A) adding a fungicide, (B) passing through a magnetic field, and (C) irradiation with UV radiation.
Claim 19
Dependent Claim 25 words
The method for processing a light-sensitive silver halide photographic material according to claim 17, wherein said first stabilizing solution is treated by adding a fungicide.
Claim 20
Dependent Claim 27 words
The method for processing a light-sensitive silver halide photographic material according to claim 4, wherein said first stabilized solution has a surface tension of from 50-75 dyne/cm.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1991-10-18 1992-04-18 1992-10-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1995-10-18 1996-04-18 1996-10-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1999-10-18 2000-04-18 2000-10-18 $7700.00 Window Closed / Lapsed

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