BE621480A - - Google Patents
Info
- Publication number
- BE621480A BE621480A BE621480DA BE621480A BE 621480 A BE621480 A BE 621480A BE 621480D A BE621480D A BE 621480DA BE 621480 A BE621480 A BE 621480A
- Authority
- BE
- Belgium
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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C335/00—Thioureas, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C335/30—Isothioureas
- C07C335/32—Isothioureas having sulfur atoms of isothiourea groups bound to acyclic carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (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 |
|---|---|---|---|
| DEA38143A DE1138314B (de) | 1961-08-17 | 1961-08-17 | Verfahren zur Steigerung der Empfindlichkeit von Halogensilber-emulsionen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE621480A true BE621480A (en:Method) |
Family
ID=6930627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE621480D BE621480A (en:Method) | 1961-08-17 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE621480A (en:Method) |
| CH (1) | CH433974A (en:Method) |
| DE (1) | DE1138314B (en:Method) |
-
0
- BE BE621480D patent/BE621480A/xx unknown
-
1961
- 1961-08-17 DE DEA38143A patent/DE1138314B/de active Pending
-
1962
- 1962-07-18 CH CH864262A patent/CH433974A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1138314B (de) | 1962-10-18 |
| CH433974A (de) | 1967-04-15 |