FR866741A - Perfectionnements à la désensibilisation des émulsions photographiques - Google Patents
Perfectionnements à la désensibilisation des émulsions photographiquesInfo
- Publication number
- FR866741A FR866741A FR866741DA FR866741A FR 866741 A FR866741 A FR 866741A FR 866741D A FR866741D A FR 866741DA FR 866741 A FR866741 A FR 866741A
- Authority
- FR
- France
- Prior art keywords
- desensitization
- photographic emulsions
- photographic
- emulsions
- 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)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB23472/39A GB532895A (en) | 1939-08-15 | 1939-08-15 | Improvements in desensitisation of photographic emulsions |
Publications (1)
Publication Number | Publication Date |
---|---|
FR866741A true FR866741A (fr) | 1941-08-30 |
Family
ID=10196169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR866741D Expired FR866741A (fr) | 1939-08-15 | 1940-08-14 | Perfectionnements à la désensibilisation des émulsions photographiques |
Country Status (3)
Country | Link |
---|---|
US (1) | US2263002A (fr) |
FR (1) | FR866741A (fr) |
GB (1) | GB532895A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3155488A (en) * | 1962-12-03 | 1964-11-03 | American Cyanamid Co | Controlling undesirable plant growth |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2461679A (en) * | 1944-09-04 | 1949-02-15 | Wingfoot Corp | Method of reacting a piperylene with a halo substituted maleic anhydride |
US2857273A (en) * | 1953-07-31 | 1958-10-21 | Gen Aniline & Film Corp | Photographic film having enhanced herschel effect susceptibility and the process using the same |
US4011081A (en) * | 1973-09-19 | 1977-03-08 | Eastman Kodak Company | Direct-positive double exposure process utilizing a primitive, unfogged silver halide emulsion containing an electron acceptor |
-
1939
- 1939-08-15 GB GB23472/39A patent/GB532895A/en not_active Expired
-
1940
- 1940-05-15 US US335339A patent/US2263002A/en not_active Expired - Lifetime
- 1940-08-14 FR FR866741D patent/FR866741A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3155488A (en) * | 1962-12-03 | 1964-11-03 | American Cyanamid Co | Controlling undesirable plant growth |
Also Published As
Publication number | Publication date |
---|---|
GB532895A (en) | 1941-02-03 |
US2263002A (en) | 1941-11-18 |
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