US3879202A
Expired / Lapsed
US
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Color photographic process
Assignee: Fujifilm Holdings Corp
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Filing: 1972-09-29
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Granted: 1975-04-22
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Expires: 1992-09-29
Abstract
Abstract In a process for processing a color photographic material using a waterproof support, the stability of color images formed is remarkably improved by processing the color photographic material, after color development, in a blix-stabilizing bath containing a Fe (III)- organic acid complex salt, a solvent for silver halide, and a water-soluble compound having an aldehyde group or a methylol group.
Inventors
- 👤 Seiya Yamaguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:39
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/3046; G03C7/42; G03C7/421
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
200 words
A process for developing a color photographic material having a waterproof support wherein the material is subjected to a color development process and then simultaneously bleached, fixed and stabilized with an oxidizer, a silver halide solvent and a compound containing an aldehyde group or a methylol group, wherein the improvement consists essentially of color developing said material and then simultaneously bleaching, fixing and stabilizing said photographic material by processing the color photographic material in a blix-stabilizing bath containing a water-soluble ferric complex salt of an organic acid, a solvent for silver halide, and 0.05 to 5.0 g. per liter of said bath of a water-soluble compound having an aldehyde group or a methylol group and being selected from the group consisting of compounds represented by the formula R-CHO wherein R represents an alkyl group, an aryl group, an allyl group or a heterocyclic group, compounds represented by the formula OHC-R''-CHO wherein R'' represents a direct bond, a divalent aliphatic group or a divalent aromatic group and compounds represented by the formula R''''-CH2OH wherein R'''' represents an aliphatic group, an aromatic group, or a heterocyclic group, said blix-stabilizing bath having a pH within the range of about 5.5 to about 7.5.
Claim 2
Dependent Claim
200 words
A process for developing a color photographic material having a waterproof support wherein the material is subjected to a color development process and then simultaneously bleached, fixed and stabilized with an oxidizer, a silver halide solvent and a compound containing an aldehyde group or a methylol group, wherein the improvement consists essentially of color developing said material and then simultaneously bleaching, fixing and stabilizing said photographic material by processing the color photographic material in a blix-stabilizing bath containing a water-soluble ferric complex salt of an organic acid, a solvent for silver halide, and 0.05 to 5.0 g. per liter of said bath of a water-soluble compound having an aldehyde group or a methylol group and being selected from the group consisting of compounds represented by the formula R-CHO wherein R represents an alkyl group, an aryl group, an allyl group or a heterocyclic group, compounds represented by the formula OHC-R''-CHO wherein R'' represents a direct bond, a divalent aliphatic group or a divalent aromatic group and compounds represented by the formula R''''-CH2OH wherein R'''' represents an aliphatic group, an aromatic group, or a heterocyclic group, said blix-stabilizing bath having a pH within the range of about 5.5 to about 7.5.
Claim 3
Dependent Claim
201 words
A PROCESS FOR DEVELOPING A COLOR PHOTOGRAPHIC MATERIAL HAVING A WATERPROFF SUPPORT WHEREIN THE MATERIAL IS SUBJECTED TO A COLOR DEVELOPMENT PROCESS AND THEN SIMULTANEOUSLY BLEACHED, FIXED AND STABILIZED WITH AN OXIDIZER, A SILVER HALIDE SOLVENT AND A COMPOUND CONTAINING AN ALDEHYDE GROUP OR A METHYLOL GROUP, WHEREIN THE IMPROVEMENT CONSISTS ESSENTIALLY OF COLOR DEVELOPING SAID MATERIAL AND THEN SIMULTANEOUSLY BLEACHING, FIXING AND STABILIZING SAID PHOTOGRAPHIC MATERIAL BY PROCESSING THE COLOR PHOTOGRAPHIC MATERIAL IN A BLIX-STABILIZING BATH CONTAINING A WATER-SOLUBLE FERRIC COMPLEX SALT OF AN ORGANIC ACID, A SOLVENT FOR SILVER HALIDE, AND 0.05 TO 5.0 G. PER LITER OF SAID BATH OF A WATER-SOLUBLE COMPOUND HAVING AN ALDEHYDE GROUP OR A METHYLOL GROUP AND BEING SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS REPRESENTED BY THE FORMULA R-CHO WHEREIN R REPRESENTS AN ALKYL GROUP, AN ARYL GROUP, AN ALLYL GROUP OR A HETEROCYCLIC GROUP, COMPOUNDS REPRESENTED BY THE FORMULA OHC-R''-CHL WHEREIN R'' REPRESENTS A DIRECT BOND, A DIVALENT ALIPHATIC GROUP OR A DIVALENT AROMATIC GROUP AND COMPOUNDS REPRESENTED BY THE FORMULA R" -CH2OH WHEREIN R" REPRESENTS AN ALIPHATIC GROUP, AN AROMATIC GROUP, OR A HETEROCYCLIC GROUP, SAID BLIXSTABILIZING BATH HAVING A PH WITHIN THE RANGE OF ABOUT 5.5 TO ABOUT 7.5.
Claim 4
Dependent Claim
201 words
A PROCESS FOR DEVELOPING A COLOR PHOTOGRAPHIC MATERIAL HAVING A WATERPROFF SUPPORT WHEREIN THE MATERIAL IS SUBJECTED TO A COLOR DEVELOPMENT PROCESS AND THEN SIMULTANEOUSLY BLEACHED, FIXED AND STABILIZED WITH AN OXIDIZER, A SILVER HALIDE SOLVENT AND A COMPOUND CONTAINING AN ALDEHYDE GROUP OR A METHYLOL GROUP, WHEREIN THE IMPROVEMENT CONSISTS ESSENTIALLY OF COLOR DEVELOPING SAID MATERIAL AND THEN SIMULTANEOUSLY BLEACHING, FIXING AND STABILIZING SAID PHOTOGRAPHIC MATERIAL BY PROCESSING THE COLOR PHOTOGRAPHIC MATERIAL IN A BLIX-STABILIZING BATH CONTAINING A WATER-SOLUBLE FERRIC COMPLEX SALT OF AN ORGANIC ACID, A SOLVENT FOR SILVER HALIDE, AND 0.05 TO 5.0 G. PER LITER OF SAID BATH OF A WATER-SOLUBLE COMPOUND HAVING AN ALDEHYDE GROUP OR A METHYLOL GROUP AND BEING SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS REPRESENTED BY THE FORMULA R-CHO WHEREIN R REPRESENTS AN ALKYL GROUP, AN ARYL GROUP, AN ALLYL GROUP OR A HETEROCYCLIC GROUP, COMPOUNDS REPRESENTED BY THE FORMULA OHC-R''-CHL WHEREIN R'' REPRESENTS A DIRECT BOND, A DIVALENT ALIPHATIC GROUP OR A DIVALENT AROMATIC GROUP AND COMPOUNDS REPRESENTED BY THE FORMULA R" -CH2OH WHEREIN R" REPRESENTS AN ALIPHATIC GROUP, AN AROMATIC GROUP, OR A HETEROCYCLIC GROUP, SAID BLIXSTABILIZING BATH HAVING A PH WITHIN THE RANGE OF ABOUT 5.5 TO ABOUT 7.5.
Claim 5
Dependent Claim
43 words
The process of claim 1 wherein said water-soluble compound having an aldehyde group or a methylol group is a compound represented by the formula R - CHO wherein R represents an alkyl group, an aryl group, an allyl group, or a heterocyclic group.
Claim 6
Dependent Claim
40 words
The process of claim 1 wherein said water-soluble compound having an aldehyde group or a methylol group is a compound represented by the formula OHC-R''-CHO wherein R'' represents a direct bond, a divalent aliphatic group or a divalent aromatic group.
Claim 7
Dependent Claim
38 words
The process of claim 1 wherein said water-soluble compound having an aldehyde group or a methylol group is a compound represented by the formula R''''-CH2OH wherein R'''' represents an aliphatic group, an aromatic group, or a heterocyclic group.
Claim 8
Dependent Claim
21 words
The process of claim 1 wherein the pH of said blix-stabilizing bath is in the range of from 6.0 to 7.0.
Claim 9
Dependent Claim
15 words
The process of claim 1, wherein said organic acid has the general formula HOOC-R1-X-R2-COOH or
Claim 10
Dependent Claim
37 words
The process of claim 5, wherein said organic acid is malonic acid, tartaric acid, ethylmalonic acid, malic acid, fumaric acid, diglycolic acid, thioglycolic acid, ethyliminodipropionic acid, nitrilotriacetic acid, ethylenediaminetetraacetic acid, aminotriacetic acid, ethylenedithioglycolic acid, or dithioglycolic acid.
Claim 11
Dependent Claim
25 words
The process of claim 1, wherein said solvent for silver halide is a thiosulfate, a thiocyanate, an organic sulfur-containing dibasic acid, or an organic diol.
Claim 12
Dependent Claim
45 words
The process of claim 2, wherein said water soluble compound having a aldehyde group or a methylol group is formaldehyde, paraformaldehyde, trioxymethylene, glycolaldehyde, methylal, chloral, acetaldehyde, aldol, propioLaldehyde, acrolein, dibromoacrolein, crotonaldehyde, salicylaldehyde, gluoxylic acid, mucochloric acid, mucobromic acid, arabinose, xylose, glyceraldehyde, furfural or precursors thereof.
Claim 13
Dependent Claim
30 words
The process of claim 3, wherein said water soluble compound having an aldehyde group or a methylol group is glyoxal, succinaldehyde, tartardialdehyde, terephthalaldehyde, glutaraldehyde, Alpha -methylglutaraldehyde, cyclopentanedicarboxyaldehyde, or precursors thereof.
Claim 14
Dependent Claim
35 words
The process of claim 4, wherein said water soluble compound having an aldehyde group or a methylol group is N-methylolurea, N,N''-dimethylolurea, N-methylolmethylene bis-monoethylurea, N''-methylol-N,N''-dimethylolurea, methylohydantoin, dimethylolmelamine, monomethylol dimethylhydantoin, hydroxydimethylbuiret, trihydroxymethylbuiret, 2,2,6,6-tetramethylolcyclohexanol, methyloldicyandiamide, 3-hydroxy-2,2-dihydroxymethylpropionic acid, 2-nitro-2-methyl-1,3-propanediol.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-21 | 1978-10-21 | 1979-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-21 | 1982-10-21 | 1983-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-21 | 1986-10-21 | 1987-04-22 | $7700.00 | Window Closed / Lapsed |