FR2143187A1 - - Google Patents
Info
- Publication number
- FR2143187A1 FR2143187A1 FR7222351A FR7222351A FR2143187A1 FR 2143187 A1 FR2143187 A1 FR 2143187A1 FR 7222351 A FR7222351 A FR 7222351A FR 7222351 A FR7222351 A FR 7222351A FR 2143187 A1 FR2143187 A1 FR 2143187A1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15562971A | 1971-06-22 | 1971-06-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2143187A1 true FR2143187A1 (en) | 1973-02-02 |
| FR2143187B1 FR2143187B1 (en) | 1977-12-23 |
Family
ID=22556177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7222351A Expired FR2143187B1 (en) | 1971-06-22 | 1972-06-21 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3752674A (en) |
| JP (1) | JPS581413B2 (en) |
| BE (1) | BE785242A (en) |
| CA (1) | CA969413A (en) |
| DE (1) | DE2229926C3 (en) |
| FR (1) | FR2143187B1 (en) |
| GB (1) | GB1363600A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1480241A (en) * | 1974-04-03 | 1977-07-20 | Agfa Gevaert | Direct-positive silver halide emulsions |
| US3951656A (en) * | 1974-07-05 | 1976-04-20 | Gaf Corporation | Direct-positive silver halide emulsion fogged with a cyanoborohydride anion |
| CN113056088B (en) * | 2021-03-02 | 2021-09-03 | 福建钰辰微电子有限公司 | High-performance flexible circuit board |
-
1971
- 1971-06-22 US US00155629A patent/US3752674A/en not_active Expired - Lifetime
-
1972
- 1972-06-20 DE DE2229926A patent/DE2229926C3/en not_active Expired
- 1972-06-21 FR FR7222351A patent/FR2143187B1/fr not_active Expired
- 1972-06-21 CA CA145,342A patent/CA969413A/en not_active Expired
- 1972-06-22 GB GB2928172A patent/GB1363600A/en not_active Expired
- 1972-06-22 BE BE785242A patent/BE785242A/en not_active IP Right Cessation
-
1974
- 1974-04-05 JP JP49039383A patent/JPS581413B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2143187B1 (en) | 1977-12-23 |
| US3752674A (en) | 1973-08-14 |
| JPS5083014A (en) | 1975-07-04 |
| GB1363600A (en) | 1974-08-14 |
| DE2229926C3 (en) | 1980-11-13 |
| JPS581413B2 (en) | 1983-01-11 |
| CA969413A (en) | 1975-06-17 |
| DE2229926B2 (en) | 1980-02-21 |
| DE2229926A1 (en) | 1972-12-28 |
| BE785242A (en) | 1972-12-22 |