GB460580A - Improvements in photographic development - Google Patents
Improvements in photographic developmentInfo
- Publication number
- GB460580A GB460580A GB21492/35A GB2149235A GB460580A GB 460580 A GB460580 A GB 460580A GB 21492/35 A GB21492/35 A GB 21492/35A GB 2149235 A GB2149235 A GB 2149235A GB 460580 A GB460580 A GB 460580A
- Authority
- GB
- United Kingdom
- Prior art keywords
- oxyethyl
- phenylenediamine
- derivatives
- aniline
- oxyalkyl
- 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
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
- G03C7/407—Development processes or agents therefor
- G03C7/413—Developers
- G03C7/4136—Developers p-Phenylenediamine or derivatives thereof
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF3216D DE889549C (de) | 1935-07-24 | 1935-07-24 | Photographischer Entwickler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB460580A true GB460580A (en) | 1937-01-29 |
Family
ID=27815498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB21492/35A Expired GB460580A (en) | 1935-07-24 | 1935-07-29 | Improvements in photographic development |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2108243A (OSRAM) |
| AT (1) | AT151322B (OSRAM) |
| BE (1) | BE416619A (OSRAM) |
| DE (1) | DE889549C (OSRAM) |
| FR (1) | FR808377A (OSRAM) |
| GB (1) | GB460580A (OSRAM) |
| NL (1) | NL44835C (OSRAM) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2611785A (en) * | 1952-09-23 | N-substituted x | ||
| US2596978A (en) * | 1947-09-17 | 1952-05-20 | Searle & Co | 8-hydroxy-1, 2, 3, 4-tetrahydroquinoline as a silver halide developer |
| BE786710A (fr) * | 1971-10-04 | 1973-01-25 | Bristol Myers Co | Composition pour la teinture du cheveu avec |
| JPH05216191A (ja) * | 1992-02-05 | 1993-08-27 | Fuji Photo Film Co Ltd | ハロゲン化銀カラー写真感光材料の処理方法 |
-
0
- NL NL44835D patent/NL44835C/xx active
- BE BE416619D patent/BE416619A/xx unknown
-
1935
- 1935-07-24 DE DEF3216D patent/DE889549C/de not_active Expired
- 1935-07-29 GB GB21492/35A patent/GB460580A/en not_active Expired
-
1936
- 1936-06-24 AT AT151322D patent/AT151322B/de active
- 1936-07-16 US US90919A patent/US2108243A/en not_active Expired - Lifetime
- 1936-07-18 FR FR808377D patent/FR808377A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE889549C (de) | 1953-09-10 |
| BE416619A (OSRAM) | |
| FR808377A (fr) | 1937-02-04 |
| NL44835C (OSRAM) | |
| AT151322B (de) | 1937-11-10 |
| US2108243A (en) | 1938-02-15 |
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