BE448434A - - Google Patents
Info
- Publication number
- BE448434A BE448434A BE448434DA BE448434A BE 448434 A BE448434 A BE 448434A BE 448434D A BE448434D A BE 448434DA BE 448434 A BE448434 A BE 448434A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/10—Indoles; Hydrogenated indoles with substituted hydrocarbon radicals attached to carbon atoms of the hetero ring
- C07D209/18—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- 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
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/29—Development processes or agents therefor
- G03C5/315—Tanning development
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP0082499 | 1941-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE448434A true BE448434A (de) |
Family
ID=7394027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE448434D BE448434A (de) | 1941-05-14 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE448434A (de) |
| CH (1) | CH223558A (de) |
| FR (1) | FR883927A (de) |
| NL (1) | NL56986C (de) |
-
0
- NL NL56986D patent/NL56986C/xx active
- BE BE448434D patent/BE448434A/xx unknown
-
1941
- 1941-07-18 CH CH223558D patent/CH223558A/de unknown
-
1942
- 1942-07-06 FR FR883927D patent/FR883927A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR883927A (fr) | 1943-07-26 |
| NL56986C (de) | |
| CH223558A (de) | 1942-09-30 |