BE499908A - - Google Patents
Info
- Publication number
- BE499908A BE499908A BE499908DA BE499908A BE 499908 A BE499908 A BE 499908A BE 499908D A BE499908D A BE 499908DA BE 499908 A BE499908 A BE 499908A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL289841X | 1949-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE499908A true BE499908A (US08092553-20120110-C00004.png) |
Family
ID=19782700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE499908D BE499908A (US08092553-20120110-C00004.png) | 1949-12-22 |
Country Status (7)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3441563A (en) * | 1958-08-22 | 1969-04-29 | Bayer Ag | Process for the production of substituted pyrazolones and of monomethine dyestuffs thereof |
| US3364211A (en) * | 1964-09-14 | 1968-01-16 | Gen Aniline & Film Corp | Methine dyes from 4-formyl-5-pyrazolones and barbituric acid and derivatives thereof |
-
0
- BE BE499908D patent/BE499908A/xx unknown
- NL NL68897D patent/NL68897C/xx active
-
1950
- 1950-12-08 CH CH289841D patent/CH289841A/fr unknown
- 1950-12-14 FR FR1034677D patent/FR1034677A/fr not_active Expired
- 1950-12-19 US US201626A patent/US2628233A/en not_active Expired - Lifetime
- 1950-12-19 GB GB30951/50A patent/GB685344A/en not_active Expired
- 1950-12-22 DE DEL7949A patent/DE842643C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH289841A (fr) | 1953-03-31 |
| DE842643C (de) | 1952-06-30 |
| US2628233A (en) | 1953-02-10 |
| FR1034677A (fr) | 1953-07-29 |
| NL68897C (US08092553-20120110-C00004.png) | |
| GB685344A (en) | 1952-12-31 |
