BE720437A - - Google Patents
Info
- Publication number
- BE720437A BE720437A BE720437DA BE720437A BE 720437 A BE720437 A BE 720437A BE 720437D A BE720437D A BE 720437DA BE 720437 A BE720437 A BE 720437A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
-
- 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
- C09B23/04—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups one >CH- group, e.g. cyanines, isocyanines, pseudocyanines
-
- 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
-
- 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
- G03C1/485—Direct positive emulsions
- G03C1/48515—Direct positive emulsions prefogged
- G03C1/48523—Direct positive emulsions prefogged characterised by the desensitiser
- G03C1/4853—Direct positive emulsions prefogged characterised by the desensitiser polymethine dyes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (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 |
|---|---|---|---|
| US66651367A | 1967-09-08 | 1967-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE720437A true BE720437A (en:Method) | 1969-02-17 |
Family
ID=24674380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE720437D BE720437A (en:Method) | 1967-09-08 | 1968-09-05 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3539349A (en:Method) |
| BE (1) | BE720437A (en:Method) |
| DE (2) | DE1794099A1 (en:Method) |
| FR (1) | FR1599756A (en:Method) |
| GB (1) | GB1241833A (en:Method) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3852683A (en) * | 1971-10-18 | 1974-12-03 | Eastman Kodak Co | Arylidene dye lasers |
| IT948115B (it) * | 1972-01-04 | 1973-05-30 | Nimmesota Mining And Mfg Co | Metodo per rendere coloranti trinu cleari derivati dalla rodanina so lubili in alcoli a basso peso mole colare e coloranti ottenuti per uso in emulsioni fotografiche all alogenuro d argento |
| IT1032161B (it) * | 1974-12-09 | 1979-05-30 | Minnesota Mining & Mfg | Coloranti merocianinici quaterna rizzati e loro uso per sensibiliz zare spettralmente emulsioni positive dirette agli alogenuri d argento |
| US4355098A (en) * | 1981-02-11 | 1982-10-19 | E. I. Du Pont De Nemours And Company | Supersensitizing direct positive dye combinations |
| US4965183A (en) * | 1988-10-05 | 1990-10-23 | Eastman Kodak Company | Tri-nuclear dyes for photographic compositions and method of prepartion |
| US5296344A (en) * | 1991-06-11 | 1994-03-22 | Fuji Photo Film Co., Ltd. | Silver halide photographic light-sensitive material |
| JP2717475B2 (ja) * | 1992-02-26 | 1998-02-18 | 富士写真フイルム株式会社 | ハロゲン化銀写真感光材料 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2454629A (en) * | 1940-01-27 | 1948-11-23 | Eastman Kodak Co | Polymethine dyes |
| BE515184A (en:Method) * | 1951-10-30 |
-
1967
- 1967-09-08 US US666513A patent/US3539349A/en not_active Expired - Lifetime
-
1968
- 1968-09-05 BE BE720437D patent/BE720437A/xx unknown
- 1968-09-05 GB GB42331/68A patent/GB1241833A/en not_active Expired
- 1968-09-06 DE DE19681794099 patent/DE1794099A1/de active Pending
- 1968-09-06 DE DE19681797262 patent/DE1797262B2/de active Pending
- 1968-09-06 FR FR1599756D patent/FR1599756A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3539349A (en) | 1970-11-10 |
| FR1599756A (en:Method) | 1970-07-20 |
| DE1794099A1 (de) | 1971-03-18 |
| GB1241833A (en) | 1971-08-04 |
| DE1797262B2 (de) | 1973-07-19 |
| DE1797262A1 (de) | 1971-03-18 |