FR641409A - Révélateurs photographiques - Google Patents
Révélateurs photographiquesInfo
- Publication number
- FR641409A FR641409A FR641409DA FR641409A FR 641409 A FR641409 A FR 641409A FR 641409D A FR641409D A FR 641409DA FR 641409 A FR641409 A FR 641409A
- Authority
- FR
- France
- Prior art keywords
- photographic developers
- developers
- 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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/32—Latensification; Densensitisation
Landscapes
- 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 |
---|---|---|---|
DEI0029507 | 1926-11-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR641409A true FR641409A (fr) | 1928-08-03 |
Family
ID=7187341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR641409D Expired FR641409A (fr) | 1926-11-13 | 1927-09-26 | Révélateurs photographiques |
Country Status (4)
Country | Link |
---|---|
US (1) | US1713613A (fr) |
BE (1) | BE344630A (fr) |
FR (1) | FR641409A (fr) |
GB (1) | GB280525A (fr) |
-
0
- BE BE344630D patent/BE344630A/xx unknown
-
1927
- 1927-09-08 US US218365A patent/US1713613A/en not_active Expired - Lifetime
- 1927-09-26 FR FR641409D patent/FR641409A/fr not_active Expired
- 1927-10-31 GB GB29011/27A patent/GB280525A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US1713613A (en) | 1929-05-21 |
BE344630A (fr) | |
GB280525A (fr) | 1928-02-16 |
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