GB746174A - Improvements in the preparation of photographic direct positive images - Google Patents
Improvements in the preparation of photographic direct positive imagesInfo
- Publication number
- GB746174A GB746174A GB1821752A GB1821752A GB746174A GB 746174 A GB746174 A GB 746174A GB 1821752 A GB1821752 A GB 1821752A GB 1821752 A GB1821752 A GB 1821752A GB 746174 A GB746174 A GB 746174A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silver
- layer
- contact
- hypo
- contacted
- 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
- 229910052709 silver Inorganic materials 0.000 abstract 5
- 239000004332 silver Substances 0.000 abstract 5
- 239000003795 chemical substances by application Substances 0.000 abstract 3
- 239000000839 emulsion Substances 0.000 abstract 3
- 230000001376 precipitating effect Effects 0.000 abstract 3
- -1 silver halide Chemical class 0.000 abstract 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 2
- 239000005083 Zinc sulfide Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 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 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract 1
- 239000011324 bead Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 150000003346 selenoethers Chemical class 0.000 abstract 1
- 229940100890 silver compound Drugs 0.000 abstract 1
- 150000003379 silver compounds Chemical class 0.000 abstract 1
- PGWMQVQLSMAHHO-UHFFFAOYSA-N sulfanylidenesilver Chemical compound [Ag]=S PGWMQVQLSMAHHO-UHFFFAOYSA-N 0.000 abstract 1
- XSOKHXFFCGXDJZ-UHFFFAOYSA-N telluride(2-) Chemical compound [Te-2] XSOKHXFFCGXDJZ-UHFFFAOYSA-N 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 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)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE521247D BE521247A (enrdf_load_stackoverflow) | 1952-07-18 | ||
| GB1821752A GB746174A (en) | 1952-07-18 | 1952-07-18 | Improvements in the preparation of photographic direct positive images |
| FR1088224D FR1088224A (fr) | 1952-07-18 | 1953-07-10 | Procédé d'obtention d'images photographiques par inversion et produit pour la mise en oeuvre du procédé |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1821752A GB746174A (en) | 1952-07-18 | 1952-07-18 | Improvements in the preparation of photographic direct positive images |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB746174A true GB746174A (en) | 1956-03-14 |
Family
ID=10108663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1821752A Expired GB746174A (en) | 1952-07-18 | 1952-07-18 | Improvements in the preparation of photographic direct positive images |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE521247A (enrdf_load_stackoverflow) |
| FR (1) | FR1088224A (enrdf_load_stackoverflow) |
| GB (1) | GB746174A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4775614A (en) * | 1985-10-28 | 1988-10-04 | Agfa-Gevaert N.V. | Method for fixing a photographic silver halide emulsion layer material |
-
0
- BE BE521247D patent/BE521247A/xx unknown
-
1952
- 1952-07-18 GB GB1821752A patent/GB746174A/en not_active Expired
-
1953
- 1953-07-10 FR FR1088224D patent/FR1088224A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4775614A (en) * | 1985-10-28 | 1988-10-04 | Agfa-Gevaert N.V. | Method for fixing a photographic silver halide emulsion layer material |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1088224A (fr) | 1955-03-04 |
| BE521247A (enrdf_load_stackoverflow) |
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