BE471525A - - Google Patents
Info
- Publication number
- BE471525A BE471525A BE471525DA BE471525A BE 471525 A BE471525 A BE 471525A BE 471525D A BE471525D A BE 471525DA BE 471525 A BE471525 A BE 471525A
- 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)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US655900A US2487034A (en) | 1946-03-20 | 1946-03-20 | 2.8-dihydroxynaphthalene-6-sulfonic acid as the azo component for diazotype prints |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE471525A true BE471525A (xx) |
Family
ID=24630841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE471525D BE471525A (xx) | 1946-03-20 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2487034A (xx) |
| BE (1) | BE471525A (xx) |
| DE (1) | DE871667C (xx) |
| ES (1) | ES178097A1 (xx) |
| FR (1) | FR941898A (xx) |
| GB (1) | GB624472A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL71256C (xx) * | 1948-10-01 | |||
| DE857739C (de) * | 1950-08-13 | 1952-12-01 | Kalle & Co Ag | Verfahren zum Fixieren von Druckformen, die mit Hilfe von Diazoverbindungen hergestellt sind |
| BE533575A (xx) * | 1953-11-23 | |||
| DE1072884B (de) * | 1957-06-14 | 1960-01-07 | Dr. Ulrich Schmiedel Hamburg-Othmarschen, und TECHNOPHOT Dr. Rudolf Fischer K.G., Berlin-Neukölln | Verfahren zur Entwicklung, Übertragung und Fixierung elektrophotographischer Bilder |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE369000A (xx) * | 1929-03-30 | |||
| CH203162A (de) * | 1937-03-08 | 1939-02-28 | Kalle & Co Ag | Verfahren zur Herstellung von Diazotypien. |
-
0
- BE BE471525D patent/BE471525A/xx unknown
-
1946
- 1946-03-20 US US655900A patent/US2487034A/en not_active Expired - Lifetime
-
1947
- 1947-01-27 GB GB2514/47A patent/GB624472A/en not_active Expired
- 1947-02-17 FR FR941898D patent/FR941898A/fr not_active Expired
- 1947-05-19 ES ES0178097A patent/ES178097A1/es not_active Expired
-
1949
- 1949-01-01 DE DEP30696A patent/DE871667C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE871667C (de) | 1953-03-26 |
| GB624472A (en) | 1949-06-09 |
| ES178097A1 (es) | 1947-10-16 |
| FR941898A (fr) | 1949-01-24 |
| US2487034A (en) | 1949-11-01 |