CH527440A - Emulsion photographique photosensible à l'halogénure d'argent positive directe voilée - Google Patents
Emulsion photographique photosensible à l'halogénure d'argent positive directe voiléeInfo
- Publication number
- CH527440A CH527440A CH215571A CH215571A CH527440A CH 527440 A CH527440 A CH 527440A CH 215571 A CH215571 A CH 215571A CH 215571 A CH215571 A CH 215571A CH 527440 A CH527440 A CH 527440A
- Authority
- CH
- Switzerland
- Prior art keywords
- hazy
- silver halide
- photographic emulsion
- direct positive
- halide photosensitive
- Prior art date
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
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 |
|---|---|---|---|
| US1183770A | 1970-02-16 | 1970-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH527440A true CH527440A (fr) | 1972-08-31 |
Family
ID=21752187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH215571A CH527440A (fr) | 1970-02-16 | 1971-02-15 | Emulsion photographique photosensible à l'halogénure d'argent positive directe voilée |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3672903A (fr) |
| JP (1) | JPS5142488B1 (fr) |
| AU (1) | AU2544871A (fr) |
| BE (1) | BE762988A (fr) |
| BR (1) | BR7100773D0 (fr) |
| CA (1) | CA976023A (fr) |
| CH (1) | CH527440A (fr) |
| DE (1) | DE2107119C3 (fr) |
| FR (1) | FR2078584A5 (fr) |
| GB (1) | GB1338433A (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1480241A (en) * | 1974-04-03 | 1977-07-20 | Agfa Gevaert | Direct-positive silver halide emulsions |
| GB1513140A (en) * | 1974-09-30 | 1978-06-07 | Agfa Gevaert | Direct-positive silver halide emulsions |
| DE2641284C2 (de) * | 1976-09-14 | 1986-05-07 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren zur Stabilisierung photographischer Silberhalogenidemulsionsschichten |
| JPS53134430A (en) * | 1977-04-27 | 1978-11-24 | Mitsubishi Paper Mills Ltd | Silver halide photosensitive materials for multiilayer color photograph |
| US4247617A (en) * | 1979-05-11 | 1981-01-27 | Polaroid Corporation | Silver diffusion transfer film unit transparency |
| JPS6055822B2 (ja) * | 1982-04-26 | 1985-12-06 | コニカ株式会社 | 直接ポジ用ハロゲン化銀写真感光材料 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE498287A (fr) * | 1949-09-24 | |||
| GB723019A (en) * | 1952-02-05 | 1955-02-02 | Gevaert Photo Prod Nv | Improvements in or relating to the manufacture of photographic material |
| CH472050A (fr) * | 1966-03-11 | 1969-04-30 | Kodak Sa | Emulsion photographique pour positif direct |
-
1970
- 1970-02-16 US US11837A patent/US3672903A/en not_active Expired - Lifetime
-
1971
- 1971-01-11 CA CA102,330A patent/CA976023A/en not_active Expired
- 1971-01-29 BR BR773/71A patent/BR7100773D0/pt unknown
- 1971-02-13 JP JP46005988A patent/JPS5142488B1/ja active Pending
- 1971-02-15 BE BE762988A patent/BE762988A/fr not_active IP Right Cessation
- 1971-02-15 CH CH215571A patent/CH527440A/fr not_active IP Right Cessation
- 1971-02-15 FR FR7104940A patent/FR2078584A5/fr not_active Expired
- 1971-02-15 AU AU25448/71A patent/AU2544871A/en not_active Expired
- 1971-02-15 DE DE2107119A patent/DE2107119C3/de not_active Expired
- 1971-04-19 GB GB2102171A patent/GB1338433A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3672903A (en) | 1972-06-27 |
| AU2544871A (en) | 1972-08-17 |
| DE2107119C3 (de) | 1979-04-26 |
| BR7100773D0 (pt) | 1973-04-26 |
| FR2078584A5 (fr) | 1971-11-05 |
| DE2107119A1 (de) | 1971-09-02 |
| CA976023A (en) | 1975-10-14 |
| DE2107119B2 (de) | 1978-08-24 |
| JPS5142488B1 (fr) | 1976-11-16 |
| GB1338433A (en) | 1973-11-21 |
| BE762988A (fr) | 1971-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |