FR2030875A5 - - Google Patents
Info
- Publication number
- FR2030875A5 FR2030875A5 FR6943640A FR6943640A FR2030875A5 FR 2030875 A5 FR2030875 A5 FR 2030875A5 FR 6943640 A FR6943640 A FR 6943640A FR 6943640 A FR6943640 A FR 6943640A FR 2030875 A5 FR2030875 A5 FR 2030875A5
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US78490468A | 1968-12-18 | 1968-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2030875A5 true FR2030875A5 (enExample) | 1970-11-13 |
Family
ID=25133895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR6943640A Expired FR2030875A5 (enExample) | 1968-12-18 | 1969-12-17 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3598603A (enExample) |
| FR (1) | FR2030875A5 (enExample) |
| GB (1) | GB1298950A (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4030932A (en) * | 1975-05-28 | 1977-06-21 | Eastman Kodak Company | Silver halide sensitized with dyes containing an isoindole nucleus |
| JPS52120824A (en) * | 1976-04-02 | 1977-10-11 | Mitsubishi Paper Mills Ltd | Halogenated silver emulsion for direct positive |
| DE69329964T2 (de) * | 1992-11-19 | 2001-09-13 | Eastman Kodak Co., Rochester | Furan-oder pyrrolsubstituierte Farbstoffverbindungen und solche Farbstoffe enthaltende fotografische Silberhalogenid-Elemente |
| DE69523816T2 (de) * | 1994-05-18 | 2002-08-14 | Eastman Kodak Co., Rochester | Blau-sensiblisierende Farbstoffe mit heterozyklischen Substituenten |
-
1968
- 1968-12-18 US US784904A patent/US3598603A/en not_active Expired - Lifetime
-
1969
- 1969-12-17 FR FR6943640A patent/FR2030875A5/fr not_active Expired
- 1969-12-18 GB GB61752/69A patent/GB1298950A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3598603A (en) | 1971-08-10 |
| GB1298950A (en) | 1972-12-06 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |