GB597147A - Improvements in process for stabilizing prints obtained by the photographic bleaching-out process - Google Patents
Improvements in process for stabilizing prints obtained by the photographic bleaching-out processInfo
- Publication number
- GB597147A GB597147A GB32073/39A GB3207339A GB597147A GB 597147 A GB597147 A GB 597147A GB 32073/39 A GB32073/39 A GB 32073/39A GB 3207339 A GB3207339 A GB 3207339A GB 597147 A GB597147 A GB 597147A
- Authority
- GB
- United Kingdom
- Prior art keywords
- thiocarbamide
- bleach
- solution
- water
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title abstract 4
- 230000000087 stabilizing effect Effects 0.000 title 1
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical class NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 abstract 10
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 abstract 9
- 239000000243 solution Substances 0.000 abstract 7
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 abstract 4
- 239000000975 dye Substances 0.000 abstract 4
- 229960002523 mercuric chloride Drugs 0.000 abstract 4
- LWJROJCJINYWOX-UHFFFAOYSA-L mercury dichloride Chemical compound Cl[Hg]Cl LWJROJCJINYWOX-UHFFFAOYSA-L 0.000 abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 4
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 abstract 3
- 229940010552 ammonium molybdate Drugs 0.000 abstract 3
- 235000018660 ammonium molybdate Nutrition 0.000 abstract 3
- 239000011609 ammonium molybdate Substances 0.000 abstract 3
- 239000000981 basic dye Substances 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 3
- 235000006408 oxalic acid Nutrition 0.000 abstract 3
- CGFYHILWFSGVJS-UHFFFAOYSA-N silicic acid;trioxotungsten Chemical compound O[Si](O)(O)O.O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1.O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1.O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1.O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 CGFYHILWFSGVJS-UHFFFAOYSA-N 0.000 abstract 3
- 239000000126 substance Substances 0.000 abstract 3
- 229940042794 thiocarbamide derivative for treatment of tuberculosis Drugs 0.000 abstract 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- 230000001376 precipitating effect Effects 0.000 abstract 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 abstract 2
- 230000001235 sensitizing effect Effects 0.000 abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- 108010010803 Gelatin Proteins 0.000 abstract 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 239000008273 gelatin Substances 0.000 abstract 1
- 229920000159 gelatin Polymers 0.000 abstract 1
- 235000019322 gelatine Nutrition 0.000 abstract 1
- 235000011852 gelatine desserts Nutrition 0.000 abstract 1
- 150000002730 mercury Chemical class 0.000 abstract 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 239000011733 molybdenum Substances 0.000 abstract 1
- XJCPMUIIBDVFDM-UHFFFAOYSA-M nile blue A Chemical compound [Cl-].C1=CC=C2C3=NC4=CC=C(N(CC)CC)C=C4[O+]=C3C=C(N)C2=C1 XJCPMUIIBDVFDM-UHFFFAOYSA-M 0.000 abstract 1
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract 1
- 238000009877 rendering Methods 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 239000011135 tin Substances 0.000 abstract 1
- 229910052718 tin Inorganic materials 0.000 abstract 1
- 150000003657 tungsten Chemical class 0.000 abstract 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 239000010937 tungsten Substances 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/02—Direct bleach-out processes; Materials therefor; Preparing or processing such materials
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR728252X | 1938-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB597147A true GB597147A (en) | 1948-01-20 |
Family
ID=9111735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32073/39A Expired GB597147A (en) | 1938-12-15 | 1939-12-12 | Improvements in process for stabilizing prints obtained by the photographic bleaching-out process |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2319344A (de) |
| DE (1) | DE728252C (de) |
| FR (1) | FR847597A (de) |
| GB (1) | GB597147A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2855300A (en) * | 1956-08-10 | 1958-10-07 | Chalkley Lyman | Process for fixing images on dye cyanide photosensitized materials |
| US3892569A (en) * | 1972-12-04 | 1975-07-01 | Gen Film Dev Corp | Photosensitive sheets comprising organic dyes and sensitizers |
-
1938
- 1938-12-15 FR FR847597D patent/FR847597A/fr not_active Expired
-
1939
- 1939-12-09 DE DEP80123D patent/DE728252C/de not_active Expired
- 1939-12-12 GB GB32073/39A patent/GB597147A/en not_active Expired
- 1939-12-15 US US309482A patent/US2319344A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR847597A (fr) | 1939-10-12 |
| DE728252C (de) | 1942-11-23 |
| US2319344A (en) | 1943-05-18 |
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