GB438450A - Process for sensitising photographic silver halide emulsions - Google Patents
Process for sensitising photographic silver halide emulsionsInfo
- Publication number
- GB438450A GB438450A GB15069/34A GB1506934A GB438450A GB 438450 A GB438450 A GB 438450A GB 15069/34 A GB15069/34 A GB 15069/34A GB 1506934 A GB1506934 A GB 1506934A GB 438450 A GB438450 A GB 438450A
- Authority
- GB
- United Kingdom
- Prior art keywords
- represent
- ethiodide
- methyl
- alkyl
- dyes
- 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
- G03C1/08—Sensitivity-increasing substances
- G03C1/10—Organic substances
- G03C1/12—Methine and polymethine dyes
- G03C1/14—Methine and polymethine dyes with an odd number of CH groups
- G03C1/20—Methine and polymethine dyes with an odd number of CH groups with more than three CH groups
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)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE438450X | 1933-05-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB438450A true GB438450A (en) | 1935-11-18 |
Family
ID=6507171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB15069/34A Expired GB438450A (en) | 1933-05-18 | 1934-05-18 | Process for sensitising photographic silver halide emulsions |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE403222A (me) |
FR (1) | FR773958A (me) |
GB (1) | GB438450A (me) |
-
0
- BE BE403222D patent/BE403222A/xx unknown
-
1934
- 1934-05-18 FR FR773958D patent/FR773958A/fr not_active Expired
- 1934-05-18 GB GB15069/34A patent/GB438450A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE403222A (me) | |
FR773958A (fr) | 1934-11-28 |
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