BE741748A - - Google Patents
Info
- Publication number
- BE741748A BE741748A BE741748DA BE741748A BE 741748 A BE741748 A BE 741748A BE 741748D A BE741748D A BE 741748DA BE 741748 A BE741748 A BE 741748A
- 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
-
- 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
- G03C1/28—Sensitivity-increasing substances together with supersensitising substances
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US77626268A | 1968-11-15 | 1968-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE741748A true BE741748A (en) | 1970-04-16 |
Family
ID=25106903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE741748D BE741748A (en) | 1968-11-15 | 1969-11-14 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3583870A (en) |
| JP (1) | JPS4813059B1 (en) |
| BE (1) | BE741748A (en) |
| BR (1) | BR6914032D0 (en) |
| CA (1) | CA927176A (en) |
| CH (1) | CH526795A (en) |
| FR (1) | FR2023388A1 (en) |
| GB (1) | GB1283234A (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3904637A (en) * | 1972-04-19 | 1975-09-09 | Eastman Kodak Co | 7'a'h,8'a'h-bisbenzothiazolo(3,2-a;-3',2'-a)pyrano (3,2-c;5,6-c'+9 dipyridinium compounds and related derivatives thereof |
| US4207103A (en) * | 1978-06-26 | 1980-06-10 | Eastman Kodak Company | Photographic print-out silver halide process |
| JPS59142541A (en) * | 1983-02-02 | 1984-08-15 | Fuji Photo Film Co Ltd | Photographic silver halide emulsion |
| JPS59188641A (en) * | 1983-04-11 | 1984-10-26 | Fuji Photo Film Co Ltd | Silver halide photographic emulsion |
| US4983508A (en) * | 1987-11-18 | 1991-01-08 | Fuji Photo Film Co., Ltd. | Method for manufacturing a light-sensitive silver halide emulsion |
| JPH03137632A (en) * | 1989-10-24 | 1991-06-12 | Fuji Photo Film Co Ltd | Preparation of photographic silver halide emulsion |
| US5536634A (en) * | 1994-09-30 | 1996-07-16 | Eastman Kodak Company | Silver halide emulsions spectrally sensitized in the presence of low N-alkyl pyridinium ions |
| CN104860875A (en) * | 2015-05-14 | 2015-08-26 | 上海大学 | Substituent acetophenone group purpurine derivative of high-sensitivity color changing material and synthetic method thereof |
| CN108373444A (en) * | 2018-03-09 | 2018-08-07 | 上海大学 | Fluorescence viologen derivative and its application and preparation method |
-
1968
- 1968-11-15 US US776262A patent/US3583870A/en not_active Expired - Lifetime
-
1969
- 1969-10-17 CA CA065139A patent/CA927176A/en not_active Expired
- 1969-11-10 BR BR214032/69A patent/BR6914032D0/en unknown
- 1969-11-13 GB GB55640/69A patent/GB1283234A/en not_active Expired
- 1969-11-14 FR FR6939104A patent/FR2023388A1/fr not_active Withdrawn
- 1969-11-14 CH CH1698669A patent/CH526795A/en not_active IP Right Cessation
- 1969-11-14 BE BE741748D patent/BE741748A/xx unknown
- 1969-11-15 JP JP44091356A patent/JPS4813059B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2023388A1 (en) | 1970-08-21 |
| CA927176A (en) | 1973-05-29 |
| BR6914032D0 (en) | 1973-01-18 |
| JPS4813059B1 (en) | 1973-04-25 |
| CH526795A (en) | 1972-08-15 |
| DE1957187A1 (en) | 1970-10-29 |
| GB1283234A (en) | 1972-07-26 |
| US3583870A (en) | 1971-06-08 |