FR734888A - Perfectionnements aux émulsions photographiques - Google Patents
Perfectionnements aux émulsions photographiquesInfo
- Publication number
- FR734888A FR734888A FR734888DA FR734888A FR 734888 A FR734888 A FR 734888A FR 734888D A FR734888D A FR 734888DA FR 734888 A FR734888 A FR 734888A
- 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
- 239000000839 emulsion Substances 0.000 title 1
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
- G03C1/18—Methine and polymethine dyes with an odd number of CH groups with 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)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB10813/31A GB376746A (en) | 1931-04-13 | 1931-04-13 | Improvements in or relating to photographic emulsions |
Publications (1)
Publication Number | Publication Date |
---|---|
FR734888A true FR734888A (fr) | 1932-10-29 |
Family
ID=9974743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR734888D Expired FR734888A (fr) | 1931-04-13 | 1932-04-08 | Perfectionnements aux émulsions photographiques |
Country Status (4)
Country | Link |
---|---|
US (1) | US2010388A (fr) |
BE (1) | BE387756A (fr) |
FR (1) | FR734888A (fr) |
GB (1) | GB376746A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3052540A (en) * | 1954-06-02 | 1962-09-04 | Rca Corp | Dye sensitization of electrophotographic materials |
-
0
- BE BE387756D patent/BE387756A/xx unknown
-
1931
- 1931-04-13 GB GB10813/31A patent/GB376746A/en not_active Expired
-
1932
- 1932-04-07 US US603902A patent/US2010388A/en not_active Expired - Lifetime
- 1932-04-08 FR FR734888D patent/FR734888A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB376746A (en) | 1932-07-13 |
BE387756A (fr) | |
US2010388A (en) | 1935-08-06 |
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