GB636234A - Improvements in photographic emulsions - Google Patents
Improvements in photographic emulsionsInfo
- Publication number
- GB636234A GB636234A GB22120/47A GB2212047A GB636234A GB 636234 A GB636234 A GB 636234A GB 22120/47 A GB22120/47 A GB 22120/47A GB 2212047 A GB2212047 A GB 2212047A GB 636234 A GB636234 A GB 636234A
- Authority
- GB
- United Kingdom
- Prior art keywords
- thiocyanate
- concentration
- gold
- emulsion
- potassium
- 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 abstract 6
- -1 silver halide Chemical class 0.000 abstract 5
- 229910003803 Gold(III) chloride Inorganic materials 0.000 abstract 3
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 abstract 3
- RJHLTVSLYWWTEF-UHFFFAOYSA-K gold trichloride Chemical compound Cl[Au](Cl)Cl RJHLTVSLYWWTEF-UHFFFAOYSA-K 0.000 abstract 3
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 abstract 3
- 229910052709 silver Inorganic materials 0.000 abstract 3
- 239000004332 silver Substances 0.000 abstract 3
- 108010010803 Gelatin Proteins 0.000 abstract 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract 2
- 229910052783 alkali metal Inorganic materials 0.000 abstract 2
- 229920000159 gelatin Polymers 0.000 abstract 2
- 239000008273 gelatin Substances 0.000 abstract 2
- 235000019322 gelatine Nutrition 0.000 abstract 2
- 235000011852 gelatine desserts Nutrition 0.000 abstract 2
- 239000010931 gold Substances 0.000 abstract 2
- 229910052737 gold Inorganic materials 0.000 abstract 2
- 150000002344 gold compounds Chemical class 0.000 abstract 2
- 238000010348 incorporation Methods 0.000 abstract 2
- 229910052700 potassium Inorganic materials 0.000 abstract 2
- 239000011591 potassium Substances 0.000 abstract 2
- 238000002360 preparation method Methods 0.000 abstract 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- SOIFLUNRINLCBN-UHFFFAOYSA-N ammonium thiocyanate Chemical compound [NH4+].[S-]C#N SOIFLUNRINLCBN-UHFFFAOYSA-N 0.000 abstract 1
- 239000012736 aqueous medium Substances 0.000 abstract 1
- TZXPSFJFFMFFNL-UHFFFAOYSA-L cadmium(2+);dithiocyanate Chemical compound [Cd+2].[S-]C#N.[S-]C#N TZXPSFJFFMFFNL-UHFFFAOYSA-L 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract 1
- 150000004820 halides Chemical class 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- XTFKWYDMKGAZKK-UHFFFAOYSA-N potassium;gold(1+);dicyanide Chemical compound [K+].[Au+].N#[C-].N#[C-] XTFKWYDMKGAZKK-UHFFFAOYSA-N 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 abstract 1
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 1
- 150000003567 thiocyanates Chemical class 0.000 abstract 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 abstract 1
- 238000005406 washing Methods 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US254821XA | 1939-11-17 | 1939-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB636234A true GB636234A (en) | 1950-04-26 |
Family
ID=21826330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22120/47A Expired GB636234A (en) | 1939-11-17 | 1947-08-08 | Improvements in photographic emulsions |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE474234A (enrdf_load_stackoverflow) |
| CH (1) | CH254821A (enrdf_load_stackoverflow) |
| FR (1) | FR959921A (enrdf_load_stackoverflow) |
| GB (1) | GB636234A (enrdf_load_stackoverflow) |
| NL (1) | NL62396C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2309093A (en) * | 1996-01-11 | 1997-07-16 | Eastman Kodak Co | Preparing silver halide emulsions using a double heat cycle |
-
0
- FR FR959921D patent/FR959921A/fr not_active Expired
- NL NL62396D patent/NL62396C/xx active
- BE BE474234D patent/BE474234A/xx unknown
-
1946
- 1946-05-15 CH CH254821D patent/CH254821A/fr unknown
-
1947
- 1947-08-08 GB GB22120/47A patent/GB636234A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2309093A (en) * | 1996-01-11 | 1997-07-16 | Eastman Kodak Co | Preparing silver halide emulsions using a double heat cycle |
Also Published As
| Publication number | Publication date |
|---|---|
| BE474234A (enrdf_load_stackoverflow) | |
| NL62396C (enrdf_load_stackoverflow) | |
| CH254821A (fr) | 1948-05-31 |
| FR959921A (enrdf_load_stackoverflow) | 1950-04-07 |
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