GB634341A - Azo coupling components for photographic diazotype materials - Google Patents
Azo coupling components for photographic diazotype materialsInfo
- Publication number
- GB634341A GB634341A GB22003/47A GB2200347A GB634341A GB 634341 A GB634341 A GB 634341A GB 22003/47 A GB22003/47 A GB 22003/47A GB 2200347 A GB2200347 A GB 2200347A GB 634341 A GB634341 A GB 634341A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- methylenesulphonic
- dihydroxynaphthalene
- coupling components
- photographic
- 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
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
- G03C1/00—Photosensitive materials
- G03C1/52—Compositions containing diazo compounds as photosensitive substances
- G03C1/58—Coupling substances therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US634341XA | 1946-10-26 | 1946-10-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB634341A true GB634341A (en) | 1950-03-15 |
Family
ID=22049157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22003/47A Expired GB634341A (en) | 1946-10-26 | 1947-08-08 | Azo coupling components for photographic diazotype materials |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR954570A (xx) |
GB (1) | GB634341A (xx) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3307949A (en) * | 1962-08-15 | 1967-03-07 | Keuffel & Esser Co | Diazotype intermediate comprising a layer containing a tri-substituted phenol coupler |
-
0
- FR FR954570D patent/FR954570A/fr not_active Expired
-
1947
- 1947-08-08 GB GB22003/47A patent/GB634341A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3307949A (en) * | 1962-08-15 | 1967-03-07 | Keuffel & Esser Co | Diazotype intermediate comprising a layer containing a tri-substituted phenol coupler |
Also Published As
Publication number | Publication date |
---|---|
FR954570A (xx) | 1950-01-03 |
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