FR824219A - Improvements to photographic emulsions - Google Patents
Improvements to photographic emulsionsInfo
- Publication number
- FR824219A FR824219A FR824219DA FR824219A FR 824219 A FR824219 A FR 824219A FR 824219D A FR824219D A FR 824219DA FR 824219 A FR824219 A FR 824219A
- 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
- 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
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/30—Hardeners
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US90000A US2139774A (en) | 1936-07-10 | 1936-07-10 | Sensitizing and hardening photographic emulsions |
Publications (1)
Publication Number | Publication Date |
---|---|
FR824219A true FR824219A (en) | 1938-02-04 |
Family
ID=22220603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR824219D Expired FR824219A (en) | 1936-07-10 | 1937-07-10 | Improvements to photographic emulsions |
Country Status (4)
Country | Link |
---|---|
US (1) | US2139774A (en) |
DE (1) | DE696896C (en) |
FR (1) | FR824219A (en) |
GB (1) | GB479419A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2640752A (en) * | 1949-11-30 | 1953-06-02 | Ethicon Suture Lab Inc | Process of making sutures |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2441440A (en) * | 1945-01-25 | 1948-05-11 | Du Pont | Silver halide photographic emulsions of enhanced light sensitivity |
US2493838A (en) * | 1945-07-19 | 1950-01-10 | Bennett F Terry | Photoprinting processes |
US2728662A (en) * | 1947-08-13 | 1955-12-27 | Eastman Kodak Co | Method of preparing photographic emulsions |
BE484326A (en) * | 1947-08-13 | |||
US2614931A (en) * | 1947-08-13 | 1952-10-21 | Eastman Kodak Co | Method of preparing cellulose ester-silver-halide photographic emulsions |
BE484325A (en) * | 1947-08-13 | |||
US2938763A (en) * | 1956-02-20 | 1960-05-31 | Jr Edward H Harris | Tanning with acetonylacetone |
US3047394A (en) * | 1958-08-01 | 1962-07-31 | Eastman Kodak Co | Photosensitive products containing therein layers hardened by bisepoxides |
-
1936
- 1936-07-10 US US90000A patent/US2139774A/en not_active Expired - Lifetime
-
1937
- 1937-07-10 GB GB19172/37A patent/GB479419A/en not_active Expired
- 1937-07-10 DE DE1937K0147221 patent/DE696896C/en not_active Expired
- 1937-07-10 FR FR824219D patent/FR824219A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2640752A (en) * | 1949-11-30 | 1953-06-02 | Ethicon Suture Lab Inc | Process of making sutures |
Also Published As
Publication number | Publication date |
---|---|
US2139774A (en) | 1938-12-13 |
GB479419A (en) | 1938-02-04 |
DE696896C (en) | 1940-10-02 |
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