GB676746A - Improvements in the preparation of photographic emulsions - Google Patents
Improvements in the preparation of photographic emulsionsInfo
- Publication number
- GB676746A GB676746A GB5263/49A GB526349A GB676746A GB 676746 A GB676746 A GB 676746A GB 5263/49 A GB5263/49 A GB 5263/49A GB 526349 A GB526349 A GB 526349A GB 676746 A GB676746 A GB 676746A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solution
- ammonium
- silver oxide
- silver
- ammonia
- 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 4
- 238000002360 preparation method Methods 0.000 title abstract 3
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 abstract 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 7
- 229910001923 silver oxide Inorganic materials 0.000 abstract 5
- 239000000243 solution Substances 0.000 abstract 5
- 229910052709 silver Inorganic materials 0.000 abstract 4
- 239000004332 silver Substances 0.000 abstract 4
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 abstract 3
- 229910021529 ammonia Inorganic materials 0.000 abstract 3
- 239000001099 ammonium carbonate Substances 0.000 abstract 3
- 235000012501 ammonium carbonate Nutrition 0.000 abstract 3
- -1 silver halide Chemical class 0.000 abstract 3
- 108010010803 Gelatin Proteins 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 abstract 2
- 150000003863 ammonium salts Chemical class 0.000 abstract 2
- 125000004432 carbon atom Chemical group C* 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
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 abstract 1
- XZXYQEHISUMZAT-UHFFFAOYSA-N 2-[(2-hydroxy-5-methylphenyl)methyl]-4-methylphenol Chemical compound CC1=CC=C(O)C(CC=2C(=CC=C(C)C=2)O)=C1 XZXYQEHISUMZAT-UHFFFAOYSA-N 0.000 abstract 1
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 abstract 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 abstract 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 abstract 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 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
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 abstract 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 229910001508 alkali metal halide Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 229910001615 alkaline earth metal halide Inorganic materials 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 235000011114 ammonium hydroxide Nutrition 0.000 abstract 1
- 229940107816 ammonium iodide Drugs 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 229910001622 calcium bromide Inorganic materials 0.000 abstract 1
- WGEFECGEFUFIQW-UHFFFAOYSA-L calcium dibromide Chemical compound [Ca+2].[Br-].[Br-] WGEFECGEFUFIQW-UHFFFAOYSA-L 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 150000004820 halides Chemical class 0.000 abstract 1
- 125000005843 halogen group Chemical group 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052700 potassium Inorganic materials 0.000 abstract 1
- 239000011591 potassium Substances 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- BBFCIBZLAVOLCF-UHFFFAOYSA-N pyridin-1-ium;bromide Chemical compound Br.C1=CC=NC=C1 BBFCIBZLAVOLCF-UHFFFAOYSA-N 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Inorganic materials [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 abstract 1
- 229910021653 sulphate ion Inorganic materials 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
- G03C1/015—Apparatus or processes for the preparation of emulsions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US68753A US2678883A (en) | 1948-12-31 | 1948-12-31 | Preparation of photographic emulsions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB676746A true GB676746A (en) | 1952-07-30 |
Family
ID=22084498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5263/49A Expired GB676746A (en) | 1948-12-31 | 1949-02-25 | Improvements in the preparation of photographic emulsions |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2678883A (enrdf_load_stackoverflow) |
| BE (1) | BE503528A (enrdf_load_stackoverflow) |
| FR (1) | FR1055880A (enrdf_load_stackoverflow) |
| GB (1) | GB676746A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3511662A (en) * | 1965-10-28 | 1970-05-12 | Eastman Kodak Co | Method of preparing silver halide grains having high internal sensitivity |
| DE2162263C2 (de) * | 1970-12-16 | 1982-06-16 | London Laboratories Ltd. Co., Woodbridge, Conn. | Verfahren zur Verhinderung der Bildung explosiver Silberverbindungen |
| JPH05504423A (ja) * | 1990-12-20 | 1993-07-08 | イーストマン コダック カンパニー | 写真乳剤の送出用増粘剤 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2245183A (en) * | 1941-06-10 | Production of olefin oxides by cata | ||
| US779777A (en) * | 1904-08-31 | 1905-01-10 | Johannes Gaedicke | Process of producing silver emulsions. |
| US1861918A (en) * | 1928-01-30 | 1932-06-07 | Eastman Kodak Co | Process of conditioning photographic films |
| BE414539A (enrdf_load_stackoverflow) * | 1935-03-23 | |||
| US2158219A (en) * | 1936-01-20 | 1939-05-16 | Claus Bruno | Method of producing photographic emulsions |
| US2169003A (en) * | 1937-03-20 | 1939-08-08 | Eastman Kodak Co | Photosensitive material |
| GB503092A (en) * | 1937-05-27 | 1939-03-26 | Eastman Kodak Co | Improved process of treating sensitive photographic film |
| US2219575A (en) * | 1939-06-16 | 1940-10-29 | Carbide & Carbon Chem Corp | Catalyst and process for making olefin oxides |
| US2401051A (en) * | 1939-09-26 | 1946-05-28 | Photo Positive Corp | Photographic emulsions and methods |
| US2424085A (en) * | 1943-08-11 | 1947-07-15 | Shell Dev | Supported silver catalyst and its preparation |
-
0
- BE BE503528D patent/BE503528A/xx unknown
-
1948
- 1948-12-31 US US68753A patent/US2678883A/en not_active Expired - Lifetime
-
1949
- 1949-02-25 GB GB5263/49A patent/GB676746A/en not_active Expired
-
1951
- 1951-05-29 FR FR1055880D patent/FR1055880A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2678883A (en) | 1954-05-18 |
| FR1055880A (fr) | 1954-02-23 |
| BE503528A (enrdf_load_stackoverflow) |
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