FR2320577A1 - Procede pour l'augmentation de la sensibilite d'emulsions photographiques a base de gelatine et d'halogenure d'argent - Google Patents
Procede pour l'augmentation de la sensibilite d'emulsions photographiques a base de gelatine et d'halogenure d'argentInfo
- Publication number
- FR2320577A1 FR2320577A1 FR7524734A FR7524734A FR2320577A1 FR 2320577 A1 FR2320577 A1 FR 2320577A1 FR 7524734 A FR7524734 A FR 7524734A FR 7524734 A FR7524734 A FR 7524734A FR 2320577 A1 FR2320577 A1 FR 2320577A1
- Authority
- FR
- France
- Prior art keywords
- emulsions
- silver halide
- dithioester
- partic
- cpds
- 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.)
- Granted
Links
- 239000000839 emulsion Substances 0.000 title abstract 7
- -1 silver halide Chemical class 0.000 title abstract 6
- 229920000159 gelatin Polymers 0.000 title abstract 3
- 235000019322 gelatine Nutrition 0.000 title abstract 3
- 229910052709 silver Inorganic materials 0.000 title abstract 3
- 239000004332 silver Substances 0.000 title abstract 3
- 239000012988 Dithioester Substances 0.000 title abstract 2
- 239000001828 Gelatine Substances 0.000 title abstract 2
- 125000005022 dithioester group Chemical group 0.000 title abstract 2
- 125000000217 alkyl group Chemical group 0.000 abstract 2
- 230000035945 sensitivity Effects 0.000 abstract 2
- 108010010803 Gelatin Proteins 0.000 abstract 1
- 125000003710 aryl alkyl group Chemical group 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- 125000000753 cycloalkyl group Chemical group 0.000 abstract 1
- 125000004663 dialkyl amino group Chemical group 0.000 abstract 1
- 239000008273 gelatin Substances 0.000 abstract 1
- 235000011852 gelatine desserts Nutrition 0.000 abstract 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052737 gold Inorganic materials 0.000 abstract 1
- 239000010931 gold Substances 0.000 abstract 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 1
- 230000005070 ripening Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 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
- G03C1/09—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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7524734A FR2320577A1 (fr) | 1975-08-07 | 1975-08-07 | Procede pour l'augmentation de la sensibilite d'emulsions photographiques a base de gelatine et d'halogenure d'argent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7524734A FR2320577A1 (fr) | 1975-08-07 | 1975-08-07 | Procede pour l'augmentation de la sensibilite d'emulsions photographiques a base de gelatine et d'halogenure d'argent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2320577A1 true FR2320577A1 (fr) | 1977-03-04 |
| FR2320577B1 FR2320577B1 (enExample) | 1977-12-16 |
Family
ID=9158912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7524734A Granted FR2320577A1 (fr) | 1975-08-07 | 1975-08-07 | Procede pour l'augmentation de la sensibilite d'emulsions photographiques a base de gelatine et d'halogenure d'argent |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2320577A1 (enExample) |
-
1975
- 1975-08-07 FR FR7524734A patent/FR2320577A1/fr active Granted
Non-Patent Citations (1)
| Title |
|---|
| NEANT * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2320577B1 (enExample) | 1977-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
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| FR2320577A1 (fr) | Procede pour l'augmentation de la sensibilite d'emulsions photographiques a base de gelatine et d'halogenure d'argent | |
| BE748021A (fr) | Emulsion photographique a l'halogenure d'argent a sensibilisation spectrale | |
| JPS5253426A (en) | Development of silver halide photographic light sensitive material | |
| GB1076777A (en) | Photographic materials containing substances which form physically developable nuclei on exposure | |
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| CA1006033A (en) | Photographic physical developers comprising a water soluble salt of an alkenyl amine compound as an ionic surfactant and processes utilizing this developer | |
| GB1417658A (en) | Use of spetrally sensitized silver halide photographic emulsions | |
| BE748592A (fr) | Element destine a la photographie en couleur et contenant un nouvel agent copulant formant le jaune | |
| BE838631A (nl) | Fotografische zilverhalogenide-emulsie | |
| AT304262B (de) | Wässerige Entwicklerlösung zum Entwickeln von photographischen Silberhalogenidemulsionen | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |