FR959921A - - Google Patents
Info
- Publication number
- FR959921A FR959921A FR959921DA FR959921A FR 959921 A FR959921 A FR 959921A FR 959921D A FR959921D A FR 959921DA FR 959921 A FR959921 A FR 959921A
- 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
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/08—Sensitivity-increasing substances
- G03C1/09—Noble metals or mercury; Salts or compounds thereof; Sulfur, selenium or tellurium, or compounds thereof, e.g. for chemical sensitising
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)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US254821XA | 1939-11-17 | 1939-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR959921A true FR959921A (it) | 1950-04-07 |
Family
ID=21826330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR959921D Expired FR959921A (it) | 1939-11-17 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE474234A (it) |
| CH (1) | CH254821A (it) |
| FR (1) | FR959921A (it) |
| GB (1) | GB636234A (it) |
| NL (1) | NL62396C (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5641621A (en) * | 1996-01-11 | 1997-06-24 | Eastman Kodak Company | Process for preparation of silver halide emulsion employing a double heat-cycle during finishing |
-
0
- FR FR959921D patent/FR959921A/fr not_active Expired
- NL NL62396D patent/NL62396C/xx active
- BE BE474234D patent/BE474234A/xx unknown
-
1946
- 1946-05-15 CH CH254821D patent/CH254821A/fr unknown
-
1947
- 1947-08-08 GB GB22120/47A patent/GB636234A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL62396C (it) | |
| GB636234A (en) | 1950-04-26 |
| CH254821A (fr) | 1948-05-31 |
| BE474234A (it) |