FR852992A - Improvements to photographic films - Google Patents
Improvements to photographic filmsInfo
- Publication number
- FR852992A FR852992A FR852992DA FR852992A FR 852992 A FR852992 A FR 852992A FR 852992D A FR852992D A FR 852992DA FR 852992 A FR852992 A FR 852992A
- Authority
- FR
- France
- Prior art keywords
- photographic films
- photographic
- films
- 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
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
-
- 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
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
- G03C1/835—Macromolecular substances therefor, e.g. mordants
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US729724XA | 1937-10-13 | 1937-10-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR852992A true FR852992A (en) | 1940-03-07 |
Family
ID=22110917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR852992D Expired FR852992A (en) | 1937-10-13 | 1938-10-26 | Improvements to photographic films |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE729724C (en) |
FR (1) | FR852992A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE506949A (en) * | 1950-11-07 |
-
1938
- 1938-09-21 DE DEK151920D patent/DE729724C/en not_active Expired
- 1938-10-26 FR FR852992D patent/FR852992A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE729724C (en) | 1942-12-22 |
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