BE490621A - - Google Patents
Info
- Publication number
- BE490621A BE490621A BE490621DA BE490621A BE 490621 A BE490621 A BE 490621A BE 490621D A BE490621D A BE 490621DA BE 490621 A BE490621 A BE 490621A
- 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
- G03C1/48538—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
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB13832/47A GB645877A (en) | 1947-05-22 | 1947-05-22 | Improvements in photographic reversal processes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE490621A true BE490621A (fr) |
Family
ID=10030179
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE482643D BE482643A (fr) | 1947-05-22 | ||
| BE490621D BE490621A (fr) | 1947-05-22 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE482643D BE482643A (fr) | 1947-05-22 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2497876A (fr) |
| BE (2) | BE490621A (fr) |
| CH (1) | CH289400A (fr) |
| FR (2) | FR983013A (fr) |
| GB (2) | GB645877A (fr) |
| NL (1) | NL72136C (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE512294A (fr) * | 1951-06-27 | |||
| US3189456A (en) * | 1961-06-19 | 1965-06-15 | Du Pont | Radiation-sensitive emulsions and elements and their preparation |
| GB1054284A (fr) * | 1963-02-14 | |||
| US3510348A (en) * | 1966-03-11 | 1970-05-05 | Eastman Kodak Co | Direct positive recording film |
| GB1335964A (en) * | 1970-02-17 | 1973-10-31 | Agfa Gevaert | Spectral sensitization of light-sensitive silver halide emulsions |
| GB1335965A (en) * | 1970-02-17 | 1973-10-31 | Agfa Gevaert | Spectrally sensitized silver halide emulsions |
| US3979213A (en) * | 1972-06-19 | 1976-09-07 | Gilman Jr Paul B | Spectrally sensitized silver halide emulsion containing an internal metal dopant |
| JPS5660442A (en) * | 1979-10-23 | 1981-05-25 | Fuji Photo Film Co Ltd | Photosensitive lithographic plate and method for making lithographic plate |
| EP0782041B1 (fr) | 1995-12-27 | 1999-11-17 | Fuji Photo Film Co., Ltd. | Matériau photographique à l'halogénure d'argent sensible à la lumière |
| DE69605393T2 (de) | 1995-12-27 | 2000-04-13 | Fuji Photo Film Co., Ltd. | Hydrazin-Verbindung und diese enthaltendes photographisches Silberhalogenidmaterial |
| EP0794456B1 (fr) | 1996-03-07 | 2003-01-29 | Agfa-Gevaert | Procédé de reproduction d'une image médicale mémorisée électroniquement sur matériau photographique sensible à la lumière |
-
0
- BE BE482643D patent/BE482643A/xx unknown
- NL NL72136D patent/NL72136C/xx active
- BE BE490621D patent/BE490621A/xx unknown
-
1947
- 1947-05-22 GB GB13832/47A patent/GB645877A/en not_active Expired
-
1948
- 1948-05-22 FR FR983013D patent/FR983013A/fr not_active Expired
- 1948-05-22 CH CH289400D patent/CH289400A/fr unknown
- 1948-08-13 US US44215A patent/US2497876A/en not_active Expired - Lifetime
- 1948-10-04 GB GB25825/48A patent/GB655009A/en not_active Expired
-
1949
- 1949-08-12 FR FR60814D patent/FR60814E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB655009A (en) | 1951-07-04 |
| FR983013A (fr) | 1951-06-18 |
| NL72136C (fr) | |
| US2497876A (en) | 1950-02-21 |
| GB645877A (en) | 1950-11-08 |
| BE482643A (fr) | |
| FR60814E (fr) | 1955-01-31 |
| CH289400A (fr) | 1953-03-15 |