GB767978A - Improvements in or relating to the production of direct positive photographic imagesby the silver salt diffusion process - Google Patents
Improvements in or relating to the production of direct positive photographic imagesby the silver salt diffusion processInfo
- Publication number
- GB767978A GB767978A GB16813/54A GB1681354A GB767978A GB 767978 A GB767978 A GB 767978A GB 16813/54 A GB16813/54 A GB 16813/54A GB 1681354 A GB1681354 A GB 1681354A GB 767978 A GB767978 A GB 767978A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silver halide
- layer
- halide emulsion
- diffusion process
- silver salt
- 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
- 238000009792 diffusion process Methods 0.000 title abstract 2
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 abstract 4
- 229910052709 silver Inorganic materials 0.000 abstract 4
- 239000004332 silver Substances 0.000 abstract 4
- -1 silver halide Chemical class 0.000 abstract 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 239000000839 emulsion Substances 0.000 abstract 3
- 239000000243 solution Substances 0.000 abstract 3
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 abstract 2
- 125000003118 aryl group Chemical group 0.000 abstract 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- XKCZQONRGGXTQN-UHFFFAOYSA-N 3-cyclohexylbenzene-1,2-diol Chemical compound OC1=CC=CC(C2CCCCC2)=C1O XKCZQONRGGXTQN-UHFFFAOYSA-N 0.000 abstract 1
- 241001479434 Agfa Species 0.000 abstract 1
- 239000001828 Gelatine Substances 0.000 abstract 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 1
- 230000001476 alcoholic effect Effects 0.000 abstract 1
- 125000001931 aliphatic group Chemical group 0.000 abstract 1
- 239000012670 alkaline solution Substances 0.000 abstract 1
- 235000010323 ascorbic acid Nutrition 0.000 abstract 1
- 229960005070 ascorbic acid Drugs 0.000 abstract 1
- 239000011668 ascorbic acid Substances 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 229920000159 gelatin Polymers 0.000 abstract 1
- 235000019322 gelatine Nutrition 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- RWPGFSMJFRPDDP-UHFFFAOYSA-L potassium metabisulfite Chemical compound [K+].[K+].[O-]S(=O)S([O-])(=O)=O RWPGFSMJFRPDDP-UHFFFAOYSA-L 0.000 abstract 1
- 235000010263 potassium metabisulphite Nutrition 0.000 abstract 1
- 239000004297 potassium metabisulphite Substances 0.000 abstract 1
- 235000010265 sodium sulphite Nutrition 0.000 abstract 1
- 229910021653 sulphate ion Inorganic materials 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
- G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
- G03C8/02—Photosensitive materials characterised by the image-forming section
- G03C8/04—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of inorganic or organo-metallic compounds derived from photosensitive noble metals
- G03C8/06—Silver salt diffusion transfer
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE329758X | 1953-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB767978A true GB767978A (en) | 1957-02-13 |
Family
ID=6187383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB16813/54A Expired GB767978A (en) | 1953-06-05 | 1954-06-08 | Improvements in or relating to the production of direct positive photographic imagesby the silver salt diffusion process |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE529348A (enrdf_load_stackoverflow) |
| CH (1) | CH329758A (enrdf_load_stackoverflow) |
| FR (1) | FR1101926A (enrdf_load_stackoverflow) |
| GB (1) | GB767978A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3335007A (en) * | 1962-06-15 | 1967-08-08 | Gevaert Photo Prod Nv | Silver halide diffusion transfer process |
| US3347674A (en) * | 1966-02-04 | 1967-10-17 | Gevaert Photo Prod Nv | Process of forming images according to the silver complex diffusion transfer process |
| US3433634A (en) * | 1964-02-05 | 1969-03-18 | Gevaert Photo Prod Nv | Diffusion transfer process |
| US3450535A (en) * | 1962-01-25 | 1969-06-17 | Lumoprint Zindler Kg | Diffusion transfer receiving layer with high soda content |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2414743A1 (fr) * | 1978-01-11 | 1979-08-10 | Kodak Pathe | Produit photographique a developpement non polluant pour la photographie en noir et blanc et procede de mise en oeuvre |
-
0
- BE BE529348D patent/BE529348A/xx unknown
-
1954
- 1954-06-02 CH CH329758D patent/CH329758A/de unknown
- 1954-06-04 FR FR1101926D patent/FR1101926A/fr not_active Expired
- 1954-06-08 GB GB16813/54A patent/GB767978A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3450535A (en) * | 1962-01-25 | 1969-06-17 | Lumoprint Zindler Kg | Diffusion transfer receiving layer with high soda content |
| US3335007A (en) * | 1962-06-15 | 1967-08-08 | Gevaert Photo Prod Nv | Silver halide diffusion transfer process |
| US3433634A (en) * | 1964-02-05 | 1969-03-18 | Gevaert Photo Prod Nv | Diffusion transfer process |
| US3347674A (en) * | 1966-02-04 | 1967-10-17 | Gevaert Photo Prod Nv | Process of forming images according to the silver complex diffusion transfer process |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1101926A (fr) | 1955-10-12 |
| BE529348A (enrdf_load_stackoverflow) | |
| CH329758A (de) | 1958-05-15 |
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