NL21398C - - Google Patents
Info
- Publication number
- NL21398C NL21398C NL21398DA NL21398C NL 21398 C NL21398 C NL 21398C NL 21398D A NL21398D A NL 21398DA NL 21398 C NL21398 C NL 21398C
- Authority
- NL
- Netherlands
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK101622D DE462399C (de) | 1926-11-12 | 1926-11-12 | Verfahren zur Herstellung von Diazolichtbildern unter Anwendung von Metallsalzen |
| DEK103366D DE466111C (de) | 1926-11-12 | 1927-03-11 | Verfahren zum Tonen von Diazolichtbildern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL21398C true NL21398C (en, 2012) |
Family
ID=25984593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL21398D NL21398C (en, 2012) | 1926-11-12 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE346718A (en, 2012) |
| CH (1) | CH132937A (en, 2012) |
| DE (1) | DE466111C (en, 2012) |
| FR (1) | FR647273A (en, 2012) |
| GB (1) | GB287063A (en, 2012) |
| NL (1) | NL21398C (en, 2012) |
-
0
- NL NL21398D patent/NL21398C/xx active
- BE BE346718D patent/BE346718A/xx unknown
-
1927
- 1927-03-11 DE DEK103366D patent/DE466111C/de not_active Expired
- 1927-11-11 CH CH132937D patent/CH132937A/de unknown
- 1927-11-12 FR FR647273D patent/FR647273A/fr not_active Expired
-
1928
- 1928-03-12 GB GB760328A patent/GB287063A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE466111C (de) | 1928-10-01 |
| GB287063A (en, 2012) | 1928-10-18 |
| CH132937A (de) | 1929-05-15 |
| BE346718A (en, 2012) | |
| FR647273A (fr) | 1928-11-22 |