GB459665A - Improvements in photographic developers - Google Patents
Improvements in photographic developersInfo
- Publication number
- GB459665A GB459665A GB19957/35A GB1995735A GB459665A GB 459665 A GB459665 A GB 459665A GB 19957/35 A GB19957/35 A GB 19957/35A GB 1995735 A GB1995735 A GB 1995735A GB 459665 A GB459665 A GB 459665A
- Authority
- GB
- United Kingdom
- Prior art keywords
- photographic developers
- developers
- photographic
- chlorophenylhydrazine
- pyrazolone
- 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
- WHIXQFSPEDIMGL-UHFFFAOYSA-N 2-(4-chlorophenyl)-5-methyl-4h-pyrazol-3-one Chemical compound O=C1CC(C)=NN1C1=CC=C(Cl)C=C1 WHIXQFSPEDIMGL-UHFFFAOYSA-N 0.000 abstract 1
- XXNOGQJZAOXWAQ-UHFFFAOYSA-N 4-chlorophenylhydrazine Chemical compound NNC1=CC=C(Cl)C=C1 XXNOGQJZAOXWAQ-UHFFFAOYSA-N 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/29—Development processes or agents therefor
- G03C5/30—Developers
- G03C5/3028—Heterocyclic compounds
- G03C5/3035—Heterocyclic compounds containing a diazole ring
-
- 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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/29—Development processes or agents therefor
- G03C5/30—Developers
-
- 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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/29—Development processes or agents therefor
- G03C5/30—Developers
- G03C5/3028—Heterocyclic compounds
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEI0052514 | 1935-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB459665A true GB459665A (en) | 1937-01-12 |
Family
ID=7193366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB19957/35A Expired GB459665A (en) | 1935-06-07 | 1935-07-12 | Improvements in photographic developers |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2163781A (enrdf_load_stackoverflow) |
| BE (1) | BE415830A (enrdf_load_stackoverflow) |
| FR (1) | FR807002A (enrdf_load_stackoverflow) |
| GB (1) | GB459665A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1041357B (de) * | 1957-07-31 | 1958-10-16 | Agfa Ag | Verfahren und Mehrschichtenmaterial zur Herstellung von gelben Farbstoff-bildern durch farbgebende Entwicklung |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2895825A (en) * | 1954-03-18 | 1959-07-21 | Agfa Ag | Production of photographic colour images with heterocyclic developers |
| BE563474A (enrdf_load_stackoverflow) * | 1956-12-31 | 1960-06-17 | ||
| US4128425A (en) * | 1977-05-06 | 1978-12-05 | Polaroid Corporation | Photographic developers |
-
0
- BE BE415830D patent/BE415830A/xx unknown
-
1935
- 1935-07-12 GB GB19957/35A patent/GB459665A/en not_active Expired
-
1936
- 1936-06-01 US US82930A patent/US2163781A/en not_active Expired - Lifetime
- 1936-06-02 FR FR807002D patent/FR807002A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1041357B (de) * | 1957-07-31 | 1958-10-16 | Agfa Ag | Verfahren und Mehrschichtenmaterial zur Herstellung von gelben Farbstoff-bildern durch farbgebende Entwicklung |
Also Published As
| Publication number | Publication date |
|---|---|
| FR807002A (fr) | 1936-12-31 |
| US2163781A (en) | 1939-06-27 |
| BE415830A (enrdf_load_stackoverflow) |
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