GB636974A - Improvements relating to photographic emulsions - Google Patents
Improvements relating to photographic emulsionsInfo
- Publication number
- GB636974A GB636974A GB27660/47A GB2766047A GB636974A GB 636974 A GB636974 A GB 636974A GB 27660/47 A GB27660/47 A GB 27660/47A GB 2766047 A GB2766047 A GB 2766047A GB 636974 A GB636974 A GB 636974A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diethyl
- bromide
- dye
- iodide
- emulsion
- 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
- 239000000975 dye Substances 0.000 abstract 7
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 abstract 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 abstract 4
- -1 bromiodide Chemical compound 0.000 abstract 4
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 abstract 4
- 230000035945 sensitivity Effects 0.000 abstract 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 abstract 2
- 230000003595 spectral effect Effects 0.000 abstract 2
- 125000001424 substituent group Chemical group 0.000 abstract 2
- ANRHNWWPFJCPAZ-UHFFFAOYSA-M thionine Chemical compound [Cl-].C1=CC(N)=CC2=[S+]C3=CC(N)=CC=C3N=C21 ANRHNWWPFJCPAZ-UHFFFAOYSA-M 0.000 abstract 2
- 241001637516 Polygonia c-album Species 0.000 abstract 1
- 125000002252 acyl group Chemical group 0.000 abstract 1
- 125000004423 acyloxy group Chemical group 0.000 abstract 1
- 125000003545 alkoxy group Chemical group 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 125000004414 alkyl thio group Chemical group 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- 125000004104 aryloxy group Chemical group 0.000 abstract 1
- CODNYICXDISAEA-UHFFFAOYSA-N bromine monochloride Chemical compound BrCl CODNYICXDISAEA-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 230000029087 digestion Effects 0.000 abstract 1
- 125000005843 halogen group Chemical group 0.000 abstract 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 abstract 1
- 150000003222 pyridines Chemical class 0.000 abstract 1
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 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
- G03C1/28—Sensitivity-increasing substances together with supersensitising substances
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)
- Plural Heterocyclic Compounds (AREA)
- Photoreceptors In Electrophotography (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US638492A US2478369A (en) | 1945-12-29 | 1945-12-29 | Supersensitized silver halide photographic emulsion |
Publications (1)
Publication Number | Publication Date |
---|---|
GB636974A true GB636974A (en) | 1950-05-10 |
Family
ID=24560263
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB27660/47A Expired GB636974A (en) | 1945-12-29 | 1947-10-15 | Improvements relating to photographic emulsions |
Country Status (4)
Country | Link |
---|---|
US (1) | US2478369A (en, 2012) |
BE (1) | BE470786A (en, 2012) |
FR (1) | FR942920A (en, 2012) |
GB (1) | GB636974A (en, 2012) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE557658A (en, 2012) * | 1956-05-21 | |||
BE557657A (en, 2012) * | 1956-05-21 | |||
JPS51120223A (en) * | 1975-04-14 | 1976-10-21 | Konishiroku Photo Ind Co Ltd | Halogenized silver color photosensitive materials |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2158883A (en) * | 1937-03-29 | 1939-05-16 | Eastman Kodak Co | Photographic emulsion containing supersensitized-4'-carbocyanines |
GB503318A (en) * | 1937-07-03 | 1939-03-30 | Ig Farbenindustrie Ag | Process of producing photographic colour pictures |
-
0
- BE BE470786D patent/BE470786A/xx unknown
-
1945
- 1945-12-29 US US638492A patent/US2478369A/en not_active Expired - Lifetime
-
1946
- 1946-12-27 FR FR942920D patent/FR942920A/fr not_active Expired
-
1947
- 1947-10-15 GB GB27660/47A patent/GB636974A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2478369A (en) | 1949-08-09 |
FR942920A (fr) | 1949-02-22 |
BE470786A (en, 2012) |
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