BE464880A - - Google Patents
Info
- Publication number
- BE464880A BE464880A BE464880DA BE464880A BE 464880 A BE464880 A BE 464880A BE 464880D A BE464880D A BE 464880DA BE 464880 A BE464880 A BE 464880A
- Authority
- BE
- Belgium
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
- C09B23/12—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain being branched "branched" means that the substituent on the polymethine chain forms a new conjugated system, e.g. most trinuclear cyanine dyes
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- 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
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
- G03C1/83—Organic dyestuffs therefor
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- 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
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
- G03C1/83—Organic dyestuffs therefor
- G03C1/832—Methine or polymethine dyes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Thiazole And Isothizaole Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7384/39A GB527627A (en) | 1939-03-07 | 1939-03-07 | Improvements in photographic emulsions and manufacture of dyes therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE464880A true BE464880A (US08197722-20120612-C00042.png) |
Family
ID=9832090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE464880D BE464880A (US08197722-20120612-C00042.png) | 1939-03-07 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2282115A (US08197722-20120612-C00042.png) |
| BE (1) | BE464880A (US08197722-20120612-C00042.png) |
| FR (1) | FR867415A (US08197722-20120612-C00042.png) |
| GB (1) | GB527627A (US08197722-20120612-C00042.png) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2427177A (en) * | 1944-08-16 | 1947-09-09 | Gen Aniline & Film Corp | Sensitizing silver halide emulsions |
| US2478367A (en) * | 1944-11-11 | 1949-08-09 | Eastman Kodak Co | N, n'-alkylenecyanine dyes |
| BE462493A (US08197722-20120612-C00042.png) * | 1945-01-19 | |||
| US2450390A (en) * | 1945-01-19 | 1948-09-28 | Gen Aniline & Film Corp | Photographic emulsions containing trinuclear iminol cyanine dyes |
| GB607918A (en) * | 1946-03-01 | 1948-09-07 | John David Kendall | Improvements in or relating to the production of dyestuffs |
| US2461137A (en) * | 1946-09-04 | 1949-02-08 | Eastman Kodak Co | Photographic emulsions sensitized with n, n-alkylenecyanine dyes |
| BE509181A (US08197722-20120612-C00042.png) * | 1951-02-12 | |||
| FR2454122A1 (fr) * | 1978-09-01 | 1980-11-07 | Ciba Geigy Ag | Matiere photographique directement positive |
| JPS5616557A (en) * | 1979-07-17 | 1981-02-17 | Ciba Geigy Ag | Novel trinuclear methyne dye and direct positive type photograph material using same as sensitizer |
| US4326021A (en) * | 1980-02-01 | 1982-04-20 | Ciba Geigy Ag | Photographic negative material with at least one layer containing a desensitized silver halide emulsion |
| US5294709A (en) * | 1989-02-28 | 1994-03-15 | Fuji Photo Film Co., Ltd. | Methine compounds and methine dyes |
-
0
- BE BE464880D patent/BE464880A/xx unknown
-
1939
- 1939-03-07 GB GB7384/39A patent/GB527627A/en not_active Expired
- 1939-12-16 US US309686A patent/US2282115A/en not_active Expired - Lifetime
-
1940
- 1940-03-07 FR FR867415D patent/FR867415A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR867415A (fr) | 1941-10-27 |
| GB527627A (en) | 1940-10-14 |
| US2282115A (en) | 1942-05-05 |
