GB808227A - Improvements in or relating to photographic emulsions - Google Patents
Improvements in or relating to photographic emulsionsInfo
- Publication number
- GB808227A GB808227A GB2316456A GB2316456A GB808227A GB 808227 A GB808227 A GB 808227A GB 2316456 A GB2316456 A GB 2316456A GB 2316456 A GB2316456 A GB 2316456A GB 808227 A GB808227 A GB 808227A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aqueous
- bromide
- precipitated
- relating
- iodide
- 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
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 abstract 2
- -1 Silver halides Chemical class 0.000 abstract 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 2
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 229910052709 silver Inorganic materials 0.000 abstract 2
- 239000004332 silver Substances 0.000 abstract 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 abstract 2
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical class CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 abstract 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 abstract 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 abstract 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 1
- 108010010803 Gelatin Proteins 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 235000019270 ammonium chloride Nutrition 0.000 abstract 1
- 229940107816 ammonium iodide Drugs 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000007859 condensation product Substances 0.000 abstract 1
- 235000019256 formaldehyde Nutrition 0.000 abstract 1
- 229920000159 gelatin Polymers 0.000 abstract 1
- 239000008273 gelatin Substances 0.000 abstract 1
- 235000019322 gelatine Nutrition 0.000 abstract 1
- 235000011852 gelatine desserts Nutrition 0.000 abstract 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 abstract 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 229910001961 silver nitrate Inorganic materials 0.000 abstract 1
- 229910052938 sodium sulfate Inorganic materials 0.000 abstract 1
- 235000011152 sodium sulphate Nutrition 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 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
- G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
- G03C1/043—Polyalkylene oxides; Polyalkylene sulfides; Polyalkylene selenides; Polyalkylene tellurides
-
- 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
- G03C1/0051—Tabular grain emulsions
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DENDAT1072475D DE1072475B (el) | 1956-07-26 | ||
GB2316456A GB808227A (en) | 1956-07-26 | 1956-07-26 | Improvements in or relating to photographic emulsions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2316456A GB808227A (en) | 1956-07-26 | 1956-07-26 | Improvements in or relating to photographic emulsions |
Publications (1)
Publication Number | Publication Date |
---|---|
GB808227A true GB808227A (en) | 1959-01-28 |
Family
ID=10191194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2316456A Expired GB808227A (en) | 1956-07-26 | 1956-07-26 | Improvements in or relating to photographic emulsions |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1072475B (el) |
GB (1) | GB808227A (el) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0513723A1 (en) * | 1991-05-14 | 1992-11-19 | Eastman Kodak Company | Process of preparing a reduced dispersity tabular grain emulsion |
EP0514743A1 (en) * | 1991-05-14 | 1992-11-25 | Eastman Kodak Company | Tabular grain emulsion containing reversal photographic elements exhibiting improved sharpness in underlying layers |
EP0515895A1 (en) * | 1991-05-14 | 1992-12-02 | Eastman Kodak Company | Improved reversal photographic elements containing tabular grain emulsions |
-
0
- DE DENDAT1072475D patent/DE1072475B/de active Pending
-
1956
- 1956-07-26 GB GB2316456A patent/GB808227A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0513723A1 (en) * | 1991-05-14 | 1992-11-19 | Eastman Kodak Company | Process of preparing a reduced dispersity tabular grain emulsion |
EP0514743A1 (en) * | 1991-05-14 | 1992-11-25 | Eastman Kodak Company | Tabular grain emulsion containing reversal photographic elements exhibiting improved sharpness in underlying layers |
EP0515895A1 (en) * | 1991-05-14 | 1992-12-02 | Eastman Kodak Company | Improved reversal photographic elements containing tabular grain emulsions |
Also Published As
Publication number | Publication date |
---|---|
DE1072475B (el) |
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