FR620935A - - Google Patents
Info
- Publication number
- FR620935A FR620935A FR620935DA FR620935A FR 620935 A FR620935 A FR 620935A FR 620935D A FR620935D A FR 620935DA FR 620935 A FR620935 A FR 620935A
- Authority
- FR
- France
- 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
- G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
- G03C1/047—Proteins, e.g. gelatine derivatives; Hydrolysis or extraction products of proteins
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)
- Peptides Or Proteins (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE258237X | 1925-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR620935A true FR620935A (xx) | 1927-05-02 |
Family
ID=5966631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR620935D Expired FR620935A (xx) | 1925-09-14 | 1927-02-12 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1719711A (xx) |
| BE (1) | BE336304A (xx) |
| FR (1) | FR620935A (xx) |
| GB (1) | GB258237A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2622036A (en) * | 1952-12-16 | Process for the treatment of | ||
| US2699391A (en) * | 1950-01-11 | 1955-01-11 | Gen Aniline & Film Corp | Synthetic polypeptides of alpha-amino acids as restrainers in photographic emulsions |
| US2740713A (en) * | 1952-04-26 | 1956-04-03 | Warren Joel | Sensitization of photographic emulsions |
| GB721067A (en) * | 1952-10-09 | 1954-12-29 | Ilford Ltd | Improvements in or relating to the production of silver halide photographic emulsions |
-
0
- BE BE336304D patent/BE336304A/xx unknown
-
1926
- 1926-08-06 US US127708A patent/US1719711A/en not_active Expired - Lifetime
- 1926-08-14 GB GB20115/26A patent/GB258237A/en not_active Expired
-
1927
- 1927-02-12 FR FR620935D patent/FR620935A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB258237A (en) | 1927-08-25 |
| US1719711A (en) | 1929-07-02 |
| BE336304A (xx) |