BE441131A - - Google Patents
Info
- Publication number
- BE441131A BE441131A BE441131DA BE441131A BE 441131 A BE441131 A BE 441131A BE 441131D A BE441131D A BE 441131DA BE 441131 A BE441131 A BE 441131A
- 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
- G03C1/52—Compositions containing diazo compounds as photosensitive substances
- G03C1/58—Coupling substances therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE214631X | 1938-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE441131A true BE441131A (it) |
Family
ID=5819744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE441131D BE441131A (it) | 1938-11-17 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2233038A (it) |
| BE (1) | BE441131A (it) |
| CH (1) | CH214631A (it) |
| FR (1) | FR861685A (it) |
| NL (1) | NL52177C (it) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1001352A (fr) * | 1946-04-24 | 1952-02-22 | Francolor Sa | Colorants pour la photographie en couleurs |
| US2551570A (en) * | 1946-10-24 | 1951-05-01 | Gen Aniline & Film Corp | Azo dye components of the amino naphthol series for diazotypes |
| NL68034C (it) * | 1947-07-10 | |||
| DE832396C (de) * | 1950-01-17 | 1952-02-25 | Kalle & Co Ag | Lichtempfindliche Schichten fuer die Diazotypie |
| US2688543A (en) * | 1950-12-20 | 1954-09-07 | Gen Aniline & Film Corp | Poly-acetoacetyl derivatives of polyamines as azo components in diazotype photoprinting material |
| BE513965A (it) * | 1951-09-19 | |||
| US3079375A (en) * | 1960-09-29 | 1963-02-26 | Eastman Kodak Co | Metallizable and metallized azo dyestuffs for acrylonitrile polymers |
| DE1255486C2 (de) * | 1963-09-14 | 1973-04-19 | Kalle Ag | Zweikomponenten-Diazotypiematerial |
| GB1052977A (it) * | 1963-09-14 | |||
| US3404005A (en) * | 1963-10-01 | 1968-10-01 | Ind Dyestuff Company | Diazo light-sensitive composition and element |
| US3367776A (en) * | 1964-04-17 | 1968-02-06 | Addressograph Multigraph | Heat sensitive diazotype materials |
| DE1572078C3 (de) * | 1966-04-27 | 1976-01-02 | Hoechst Ag, 6000 Frankfurt | Zweikomponenten-Diazotypiematerial |
| US3622325A (en) * | 1968-03-07 | 1971-11-23 | Ricoh Kk | Diazotype photographic copying material adapted for wet development and for producing copied image in black color |
| DE2746551A1 (de) * | 1977-10-17 | 1979-04-26 | Hoechst Ag | Diazotypiematerial |
| DE2811981A1 (de) * | 1978-03-18 | 1979-09-27 | Hoechst Ag | 2-hydroxy-3-naphthoesaeureamide |
| EP0428849A3 (en) * | 1989-09-28 | 1991-07-31 | Hoechst Aktiengesellschaft | Retroviral protease inhibitors |
-
0
- BE BE441131D patent/BE441131A/xx unknown
- NL NL52177D patent/NL52177C/xx active
-
1939
- 1939-10-16 CH CH214631D patent/CH214631A/de unknown
- 1939-11-09 US US303544A patent/US2233038A/en not_active Expired - Lifetime
- 1939-11-15 FR FR861685D patent/FR861685A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2233038A (en) | 1941-02-25 |
| FR861685A (fr) | 1941-02-14 |
| CH214631A (de) | 1941-05-15 |
| NL52177C (it) |