BE637795A - - Google Patents
Info
- Publication number
- BE637795A BE637795A BE637795DA BE637795A BE 637795 A BE637795 A BE 637795A BE 637795D A BE637795D A BE 637795DA BE 637795 A BE637795 A BE 637795A
- Authority
- BE
- Belgium
Links
Classifications
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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
- G03C1/005—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
- G03C1/29—Sensitivity-increasing substances together with supersensitising substances the supersensitising mixture being solely composed of dyes ; Combination of dyes, even if the supersensitising effect is not explicitly disclosed
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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
- C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
- C09B23/06—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups three >CH- groups, e.g. carbocyanines
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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
- C09B23/10—The polymethine chain containing an even number of >CH- groups
- C09B23/105—The polymethine chain containing an even number of >CH- groups two >CH- groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Plural Heterocyclic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US226591A US3173791A (en) | 1962-09-27 | 1962-09-27 | Supersensitized photographic silver halide emulsions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE637795A true BE637795A (en:Method) |
Family
ID=22849541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE637795D BE637795A (en:Method) | 1962-09-27 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3173791A (en:Method) |
| BE (1) | BE637795A (en:Method) |
| GB (1) | GB1062024A (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3282932A (en) * | 1962-09-27 | 1966-11-01 | Eastman Kodak Co | Merocyanine sensitizers for silver halide |
| US3364031A (en) * | 1963-06-24 | 1968-01-16 | Eastman Kodak Co | Supersensitized photographic silver halide emulsions |
| US3947275A (en) * | 1970-05-01 | 1976-03-30 | Fuji Photo Film Co., Ltd. | Spectrally sensitized silver halide photographic emulsion |
| JPS4912656B1 (en:Method) * | 1970-06-05 | 1974-03-26 | ||
| US4003750A (en) * | 1973-05-03 | 1977-01-18 | Eastman Kodak Company | Silver halide emulsion containing photographic sensitizing dyes |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB587434A (en) * | 1939-12-20 | 1947-04-25 | Gevaert Photo Prod Nv | Improvements in and relating to the preparation of heterocyclic nitrogen compounds |
| GB615205A (en) * | 1939-12-28 | 1949-01-04 | Gevaert Photo Prod Nv | Improvements in and relating to the manufacture of dyes and photographic emulsions sensitised therewith |
| US2973264A (en) * | 1957-03-06 | 1961-02-28 | Gevaert Photo Prod Nv | Sensitized photographic emulsions |
| US2954376A (en) * | 1958-04-08 | 1960-09-27 | Gevaert Photo Prod Nv | Polymethine dyes containing a 4-(hydroxymethyl)-or 4-(acetoxymethyl)-delta2-thiazoline or oxazoline nucleus, and preparation thereof |
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0
- BE BE637795D patent/BE637795A/xx unknown
-
1962
- 1962-09-27 US US226591A patent/US3173791A/en not_active Expired - Lifetime
-
1963
- 1963-09-27 GB GB38100/63A patent/GB1062024A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3173791A (en) | 1965-03-16 |
| GB1062024A (en) | 1967-03-15 |