GB636140A - Improvements in photographic emulsions - Google Patents
Improvements in photographic emulsionsInfo
- Publication number
- GB636140A GB636140A GB22119/47A GB2211947A GB636140A GB 636140 A GB636140 A GB 636140A GB 22119/47 A GB22119/47 A GB 22119/47A GB 2211947 A GB2211947 A GB 2211947A GB 636140 A GB636140 A GB 636140A
- Authority
- GB
- United Kingdom
- Prior art keywords
- emulsion
- auric
- chloride
- addition
- gold compound
- 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 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 4
- 229910003803 Gold(III) chloride Inorganic materials 0.000 abstract 3
- 150000002344 gold compounds Chemical class 0.000 abstract 3
- RJHLTVSLYWWTEF-UHFFFAOYSA-K gold trichloride Chemical compound Cl[Au](Cl)Cl RJHLTVSLYWWTEF-UHFFFAOYSA-K 0.000 abstract 3
- -1 silver halide Chemical class 0.000 abstract 3
- 229910021529 ammonia Inorganic materials 0.000 abstract 2
- 230000029087 digestion Effects 0.000 abstract 2
- 229920000159 gelatin Polymers 0.000 abstract 2
- 235000019322 gelatine Nutrition 0.000 abstract 2
- 229910052709 silver Inorganic materials 0.000 abstract 2
- 239000004332 silver Substances 0.000 abstract 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 abstract 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 abstract 1
- 108010010803 Gelatin Proteins 0.000 abstract 1
- 239000001828 Gelatine Substances 0.000 abstract 1
- 229910003771 Gold(I) chloride Inorganic materials 0.000 abstract 1
- 229910003767 Gold(III) bromide Inorganic materials 0.000 abstract 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 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
- 239000002253 acid Substances 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 239000012736 aqueous medium Substances 0.000 abstract 1
- CODNYICXDISAEA-UHFFFAOYSA-N bromine monochloride Chemical compound BrCl CODNYICXDISAEA-UHFFFAOYSA-N 0.000 abstract 1
- 125000001309 chloro group Chemical group Cl* 0.000 abstract 1
- 239000000975 dye Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 239000008273 gelatin Substances 0.000 abstract 1
- 235000011852 gelatine desserts Nutrition 0.000 abstract 1
- 239000010931 gold Substances 0.000 abstract 1
- 229910052737 gold Inorganic materials 0.000 abstract 1
- 150000004820 halides Chemical class 0.000 abstract 1
- 238000010348 incorporation Methods 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 229910052700 potassium Inorganic materials 0.000 abstract 1
- 239000011591 potassium 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
- 230000001235 sensitizing effect Effects 0.000 abstract 1
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 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
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 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 |
|---|---|---|---|
| US254261XA | 1939-11-17 | 1939-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB636140A true GB636140A (en) | 1950-04-26 |
Family
ID=21825979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22119/47A Expired GB636140A (en) | 1939-11-17 | 1947-08-08 | Improvements in photographic emulsions |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE474235A (enrdf_load_stackoverflow) |
| CH (1) | CH254261A (enrdf_load_stackoverflow) |
| FR (1) | FR956651A (enrdf_load_stackoverflow) |
| GB (1) | GB636140A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4073652A (en) * | 1974-09-30 | 1978-02-14 | Agfa-Gevaert N.V. | Direct-positive silver halide emulsions |
| GB2309093A (en) * | 1996-01-11 | 1997-07-16 | Eastman Kodak Co | Preparing silver halide emulsions using a double heat cycle |
-
0
- FR FR956651D patent/FR956651A/fr not_active Expired
- BE BE474235D patent/BE474235A/xx unknown
-
1946
- 1946-05-15 CH CH254261D patent/CH254261A/fr unknown
-
1947
- 1947-08-08 GB GB22119/47A patent/GB636140A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4073652A (en) * | 1974-09-30 | 1978-02-14 | Agfa-Gevaert N.V. | Direct-positive silver halide emulsions |
| 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 |
|---|---|
| CH254261A (fr) | 1948-04-30 |
| FR956651A (enrdf_load_stackoverflow) | 1950-02-02 |
| BE474235A (enrdf_load_stackoverflow) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2448060A (en) | Photographic emulsions sensitized with salts of metals of group viii of the periodicarrangement of the elements | |
| US2222264A (en) | Photographic emulsion | |
| GB635841A (en) | Improvements in photographic silver halide emulsions | |
| GB618061A (en) | Improvements in sensitive photographic materials | |
| DE2422765A1 (de) | Photographische silberhalogenidemulsion | |
| US2598079A (en) | High-speed photographic silver halide emulsions supersensitized with palladium salts | |
| GB658434A (en) | Improvements in or relating to light-sensitive silver halide emulsions | |
| DE3311432A1 (de) | Farbphotographisches, lichtempfindliches silberhalogenidmaterial | |
| US4054457A (en) | Silver halide emulsions containing hexathiocane thiones as sensitizers | |
| DE2260117A1 (de) | Photographisches material zur herstellung direktpositiver bilder | |
| JP2645827B2 (ja) | ハロゲン化銀写真乳剤の製造方法 | |
| GB636140A (en) | Improvements in photographic emulsions | |
| GB1315755A (en) | Preparation of photographic silver halide materials | |
| JPS61196238A (ja) | ハロゲン化銀写真乳剤の製造方法 | |
| US2743182A (en) | Chemical sensitization of photographic emulsions | |
| GB663019A (en) | Improvements in sensitive photographic emulsions | |
| US3799780A (en) | Process for obtaining a high contrast silver halide photographic image | |
| US3318701A (en) | Photographic monobaths containing a dl 6-8 dithio-octanoic acid antisludging agent | |
| US3458316A (en) | Light sensitive silver halide emulsions | |
| GB583648A (en) | Improvements in photographic materials | |
| GB636234A (en) | Improvements in photographic emulsions | |
| SU453852A3 (ru) | Светочувствительный фотографический материал | |
| US2739060A (en) | Chemical sensitization of photographic emulsions | |
| US3598597A (en) | Speed and contrast of a silver halide photographic emulsion obtained by addition of silver chloride emuldion to silver bromide emulsion | |
| US3615620A (en) | Light-sensitive material |