BE555921A - - Google Patents
Info
- Publication number
- BE555921A BE555921A BE555921DA BE555921A BE 555921 A BE555921 A BE 555921A BE 555921D A BE555921D A BE 555921DA BE 555921 A BE555921 A BE 555921A
- 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
- C09B23/06—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
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/08—Sensitivity-increasing substances
- G03C1/10—Organic substances
- G03C1/12—Methine and polymethine dyes
- G03C1/14—Methine and polymethine dyes with an odd number of CH groups
- G03C1/18—Methine and polymethine dyes with an odd number of CH groups with three 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
-
- 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
- G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
- G03C1/48584—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure spectrally sensitised
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Organic Chemistry (AREA)
- Indole Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA24514A DE1008118B (de) | 1956-03-19 | 1956-03-19 | Verfahren zur Sensibilisierung von Farbbildner enthaltenden Direktpositiv-Emulsionen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE555921A true BE555921A (mo) |
Family
ID=6925685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE555921D BE555921A (mo) | 1956-03-19 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2930694A (mo) |
| BE (1) | BE555921A (mo) |
| CH (1) | CH355026A (mo) |
| DE (1) | DE1008118B (mo) |
| FR (1) | FR1177726A (mo) |
| GB (1) | GB825965A (mo) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE566164A (mo) * | 1957-03-28 | |||
| BE603747A (mo) * | 1960-05-13 | |||
| US3510348A (en) * | 1966-03-11 | 1970-05-05 | Eastman Kodak Co | Direct positive recording film |
| US3501310A (en) * | 1966-03-11 | 1970-03-17 | Eastman Kodak Co | Direct positive silver halide emulsions containing compounds which accept electrons and spectrally sensitize the emulsion |
| CH482782A (fr) * | 1967-10-19 | 1969-12-15 | Eastman Kodak Co | Procédé pour la fabrication de cyanines triméthiniques à noyaux indole |
| US3541089A (en) * | 1967-10-19 | 1970-11-17 | Eastman Kodak Co | Method of preparing chain-substituted trimethine indole dyestuffs |
| US3501312A (en) * | 1968-07-22 | 1970-03-17 | Eastman Kodak Co | Direct positive silver halide emulsions containing trimethine cyanine dyes |
| GB1456243A (en) * | 1973-01-25 | 1976-11-24 | Agfa Gevaert | Directpositive silver halide elements |
| IT988269B (it) * | 1973-06-18 | 1975-04-10 | Minnesota Mining & Mfg | Coloranti cianinici e loro impiego come sensibilizzatori spettrali in materiali fotografici positivi diretti del tipo ad effetto herschel sensibilizzato spettralmente |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2126078A (en) * | 1932-04-26 | 1938-08-09 | Agfa Ansco Corp | Sensitizing photographic emulsion |
| BE484580A (mo) * | 1947-08-29 | |||
| BE529197A (mo) * | 1953-05-28 |
-
0
- BE BE555921D patent/BE555921A/xx unknown
-
1956
- 1956-03-19 DE DEA24514A patent/DE1008118B/de active Pending
-
1957
- 1957-03-12 US US645544A patent/US2930694A/en not_active Expired - Lifetime
- 1957-03-18 CH CH355026D patent/CH355026A/de unknown
- 1957-03-19 FR FR1177726D patent/FR1177726A/fr not_active Expired
- 1957-03-19 GB GB8996/57A patent/GB825965A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1008118B (de) | 1957-05-09 |
| US2930694A (en) | 1960-03-29 |
| CH355026A (de) | 1961-06-15 |
| FR1177726A (fr) | 1959-04-29 |
| GB825965A (en) | 1959-12-23 |