BE724739A - - Google Patents
Info
- Publication number
- BE724739A BE724739A BE724739DA BE724739A BE 724739 A BE724739 A BE 724739A BE 724739D A BE724739D A BE 724739DA BE 724739 A BE724739 A BE 724739A
- 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
- C09B23/02—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
- C09B23/0008—Methine or polymethine dyes, e.g. cyanine dyes substituted on the polymethine chain
- C09B23/0025—Methine or polymethine dyes, e.g. cyanine dyes substituted on the polymethine chain the substituent being bound through an oxygen atom
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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
- G03C1/485—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)
- Indole Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US68681767A | 1967-11-30 | 1967-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE724739A true BE724739A (en) | 1969-05-29 |
Family
ID=24757890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE724739D BE724739A (en) | 1967-11-30 | 1968-11-29 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3545976A (en) |
| BE (1) | BE724739A (en) |
| FR (1) | FR1595837A (en) |
| GB (1) | GB1241835A (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE630911A (en) * | 1962-04-11 | |||
| GB1059782A (en) * | 1962-09-11 | 1967-02-22 | Eastman Kodak Co | Photographic silver halide emulsions and sensitive materials prepared therefrom |
| GB1048888A (en) * | 1964-08-14 | 1966-11-23 | Ilford Ltd | Cyanine dyestuffs |
-
1967
- 1967-11-30 US US686817A patent/US3545976A/en not_active Expired - Lifetime
-
1968
- 1968-11-28 GB GB56521/68A patent/GB1241835A/en not_active Expired
- 1968-11-29 BE BE724739D patent/BE724739A/xx unknown
- 1968-11-29 FR FR1595837D patent/FR1595837A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1595837A (en) | 1970-06-15 |
| US3545976A (en) | 1970-12-08 |
| GB1241835A (en) | 1971-08-04 |