BE721739A - - Google Patents
Info
- Publication number
- BE721739A BE721739A BE721739DA BE721739A BE 721739 A BE721739 A BE 721739A BE 721739D A BE721739D A BE 721739DA BE 721739 A BE721739 A BE 721739A
- Authority
- BE
- Belgium
Links
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
- G03C1/485—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
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pyrrole Compounds (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US67300167A | 1967-10-05 | 1967-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE721739A true BE721739A (cs) | 1969-03-14 |
Family
ID=24700917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE721739D BE721739A (cs) | 1967-10-05 | 1968-10-02 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3592653A (cs) |
| JP (1) | JPS4827928B1 (cs) |
| BE (1) | BE721739A (cs) |
| DE (1) | DE1800421A1 (cs) |
| FR (1) | FR1588289A (cs) |
| GB (1) | GB1234054A (cs) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2132937A1 (de) * | 1971-07-02 | 1973-01-18 | Agfa Gevaert Ag | Spektral sensibilisierte direkt-positiv-emulsionsschichten |
| US4006137A (en) * | 1975-08-21 | 1977-02-01 | E. R. Squibb & Sons, Inc. | 2-Ethenyl imidazolium derivatives |
| US4839271A (en) * | 1987-06-26 | 1989-06-13 | E. I. Du Pont De Nemours And Company | Direct positive dimethine cyanine dyes containing 1-aryl-2-heteroaryl indole nucleus |
| US5004812A (en) * | 1987-06-26 | 1991-04-02 | E. I. Du Pont De Nemours And Company | Direct positive dimethine cyanine dyes containing 1-aryl-2-heteroaryl indole nucleus |
| US4927933A (en) * | 1987-06-26 | 1990-05-22 | E. I. Du Pont De Nemours And Company | Direct positive dimethine cyanine dyes containing 1-aryl-2-heteroaryl indole nucleus |
| USRE35044E (en) * | 1987-08-07 | 1995-09-26 | Asahi Chemical Co., Ltd. | Cyanine compounds |
| US5008401A (en) * | 1990-04-17 | 1991-04-16 | Asahi Chemical Co., Ltd. | Cyanine compounds |
| US5087704A (en) * | 1988-09-09 | 1992-02-11 | Asahi Chemical Co., Ltd. | Cyanine compounds |
| EP0599383B1 (en) * | 1992-11-19 | 2001-02-28 | Eastman Kodak Company | Silver halide photographic elements containing furan or pyrrole substituted dye compounds |
| EP0683427B1 (en) * | 1994-05-18 | 2001-11-14 | Eastman Kodak Company | Blue sensitizing dyes with heterocyclic substituents |
-
1967
- 1967-10-05 US US673001A patent/US3592653A/en not_active Expired - Lifetime
-
1968
- 1968-10-01 DE DE19681800421 patent/DE1800421A1/de active Pending
- 1968-10-02 FR FR1588289D patent/FR1588289A/fr not_active Expired
- 1968-10-02 BE BE721739D patent/BE721739A/xx unknown
- 1968-10-03 GB GB1234054D patent/GB1234054A/en not_active Expired
- 1968-10-05 JP JP43072391A patent/JPS4827928B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR1588289A (cs) | 1970-04-10 |
| DE1800421A1 (de) | 1969-07-10 |
| GB1234054A (cs) | 1971-06-03 |
| JPS4827928B1 (cs) | 1973-08-28 |
| US3592653A (en) | 1971-07-13 |