BE727089A - - Google Patents
Info
- Publication number
- BE727089A BE727089A BE727089DA BE727089A BE 727089 A BE727089 A BE 727089A BE 727089D A BE727089D A BE 727089DA BE 727089 A BE727089 A BE 727089A
- 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
- G03C1/46—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein having more than one photosensitive layer
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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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1622255A DE1622255C3 (de) | 1968-01-20 | 1968-01-20 | Verfahren zur Herstellung dichtemäßig standardisierter Kopien |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE727089A true BE727089A (US06653308-20031125-C00184.png) | 1969-07-22 |
Family
ID=5682628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE727089D BE727089A (US06653308-20031125-C00184.png) | 1968-01-20 | 1969-01-20 |
Country Status (5)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4230795A (en) * | 1979-04-26 | 1980-10-28 | Donald Krause | Multipart photosensitive element with both fixed contrast and variable contrast part records |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2202026A (en) * | 1937-03-18 | 1940-05-28 | Ilford Ltd | Photographic printing process and material |
| GB494088A (en) * | 1937-03-18 | 1938-10-18 | Frank Forster Renwick | Improvements in or relating to photographic printing processes and materials |
| US2280300A (en) * | 1941-01-14 | 1942-04-21 | Defender Photo Supply Co Inc | Light sensitive photographic coating and method of manufacturing the same |
| US3141773A (en) * | 1957-02-12 | 1964-07-21 | Agfa Ag | Process and photographic material for the production of photographic records and copies which are corrected for tone value |
| US3450536A (en) * | 1961-03-24 | 1969-06-17 | Eg & G Inc | Silver halide photographic film having increased exposure-response characteristics |
| GB1225241A (US06653308-20031125-C00184.png) * | 1967-04-21 | 1971-03-17 | ||
| DE1597047C3 (de) * | 1967-04-26 | 1974-02-28 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren zur Steuerung der Belichtung eines Kopiermaterials |
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1968
- 1968-01-20 DE DE1622255A patent/DE1622255C3/de not_active Expired
-
1969
- 1969-01-17 GB GB2752/69A patent/GB1262304A/en not_active Expired
- 1969-01-20 FR FR6900951A patent/FR2000497A1/fr not_active Withdrawn
- 1969-01-20 BE BE727089D patent/BE727089A/xx not_active IP Right Cessation
-
1972
- 1972-01-28 US US00221675A patent/US3839036A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2000497A1 (US06653308-20031125-C00184.png) | 1969-09-05 |
| DE1622255A1 (de) | 1970-12-23 |
| DE1622255C3 (de) | 1981-11-05 |
| US3839036A (en) | 1974-10-01 |
| GB1262304A (en) | 1972-02-02 |
| DE1622255B2 (de) | 1981-01-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: GEVAERT-AGFA N.V. Effective date: 19870131 |