FR741172A - - Google Patents
Info
- Publication number
- FR741172A FR741172A FR741172DA FR741172A FR 741172 A FR741172 A FR 741172A FR 741172D A FR741172D A FR 741172DA FR 741172 A FR741172 A FR 741172A
- 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.)
- Expired
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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/18—Diazo-type processes, e.g. thermal development, or agents therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR398671X | 1931-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR741172A true FR741172A (fr) | 1933-02-08 |
Family
ID=8896632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR741172D Expired FR741172A (fr) | 1931-11-09 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1966755A (fr) |
| DE (1) | DE581394C (fr) |
| FR (1) | FR741172A (fr) |
| GB (1) | GB398671A (fr) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2542716A (en) * | 1945-07-16 | 1951-02-20 | Gen Aniline & Film Corp | Multicolor diazotype layers |
| US2542715A (en) * | 1945-07-16 | 1951-02-20 | Gen Aniline & Film Corp | Multicolor diazotype layers |
| BE470580A (fr) * | 1946-01-18 | |||
| NL70689C (fr) * | 1946-01-21 | |||
| US2541886A (en) * | 1947-12-20 | 1951-02-13 | Gen Aniline & Film Corp | Aliphatic nitro compounds as azo coupling components |
| US2688543A (en) * | 1950-12-20 | 1954-09-07 | Gen Aniline & Film Corp | Poly-acetoacetyl derivatives of polyamines as azo components in diazotype photoprinting material |
| US2774669A (en) * | 1953-04-13 | 1956-12-18 | Dick Co Ab | Diazotype reproduction process |
| US2789904A (en) * | 1953-09-17 | 1957-04-23 | Gen Aniline & Film Corp | Diazo print process |
| NL279582A (fr) * | 1958-07-03 | |||
| GB1143703A (fr) * | 1965-03-18 | |||
| DE2003542A1 (de) * | 1970-01-27 | 1971-08-12 | Kalle Ag | Diazotypieverfahren |
| US4770973A (en) * | 1985-11-15 | 1988-09-13 | Kanzaki Paper Manufacturing Limited | Heat-sensitive diazo recording material with diphenyl alkene coupler |
-
0
- FR FR741172D patent/FR741172A/fr not_active Expired
-
1932
- 1932-10-29 DE DEK127573D patent/DE581394C/de not_active Expired
- 1932-11-04 US US641321A patent/US1966755A/en not_active Expired - Lifetime
- 1932-11-09 GB GB31676/32A patent/GB398671A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1966755A (en) | 1934-07-17 |
| DE581394C (de) | 1933-07-26 |
| GB398671A (en) | 1933-09-21 |