FR826397A - Improvements to photographic emulsions - Google Patents
Improvements to photographic emulsionsInfo
- Publication number
- FR826397A FR826397A FR826397DA FR826397A FR 826397 A FR826397 A FR 826397A FR 826397D A FR826397D A FR 826397DA FR 826397 A FR826397 A FR 826397A
- Authority
- FR
- France
- Prior art keywords
- 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
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F3/00—Colour separation; Correction of tonal value
- G03F3/04—Colour separation; Correction of tonal value by photographic means
-
- 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
- G03C7/18—Processes for the correction of the colour image in subtractive colour photography
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 |
---|---|---|---|
US121467A US2179786A (en) | 1937-01-21 | 1937-01-21 | Method and means for making corrected color separation images |
Publications (1)
Publication Number | Publication Date |
---|---|
FR826397A true FR826397A (en) | 1938-03-30 |
Family
ID=22396910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR826397D Expired FR826397A (en) | 1937-01-21 | 1937-09-06 | Improvements to photographic emulsions |
Country Status (4)
Country | Link |
---|---|
US (1) | US2179786A (en) |
DE (1) | DE689587C (en) |
FR (1) | FR826397A (en) |
GB (1) | GB501661A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2420636A (en) * | 1942-04-11 | 1947-05-13 | Eastman Kodak Co | Photographic masking |
DE748520C (en) * | 1942-09-25 | 1944-11-03 | Process for the photomechanical change, correction or addition of master copies, in particular partial color negatives | |
US3376135A (en) * | 1963-09-26 | 1968-04-02 | Allen E Botney | Negative and positive view from a polarized film structure |
BE757067A (en) * | 1969-10-03 | 1971-03-16 | Eastman Kodak Co | PHOTOGRAPHIC OBJECT MANUFACTURING PROCESS |
IL56324A0 (en) * | 1978-12-28 | 1979-03-12 | Hoffman A | Method and apparatus for producing a high speed high resolution radiation sensitive article and a high speed high resolution radiation sensitive article |
-
1937
- 1937-01-21 US US121467A patent/US2179786A/en not_active Expired - Lifetime
- 1937-09-01 GB GB23931/37A patent/GB501661A/en not_active Expired
- 1937-09-06 FR FR826397D patent/FR826397A/en not_active Expired
- 1937-09-16 DE DE1937I0059095 patent/DE689587C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2179786A (en) | 1939-11-14 |
GB501661A (en) | 1939-03-01 |
DE689587C (en) | 1940-03-28 |
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