BE434144A - - Google Patents
Info
- Publication number
- BE434144A BE434144A BE434144DA BE434144A BE 434144 A BE434144 A BE 434144A BE 434144D A BE434144D A BE 434144DA BE 434144 A BE434144 A BE 434144A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/06—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/14—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Furan Compounds (AREA)
- Coloring (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE212526X | 1938-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE434144A true BE434144A (is) |
Family
ID=5808546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE434144D BE434144A (is) | 1938-05-10 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2272739A (is) |
| BE (1) | BE434144A (is) |
| CH (1) | CH212526A (is) |
| NL (1) | NL51036C (is) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1083165A (en) * | 1964-07-16 | 1967-09-13 | Martin Marietta Corp | Azo pyrazolone dyestuffs and method for making same |
| US9840896B2 (en) * | 2012-09-21 | 2017-12-12 | Thru Tubing Solutions, Inc. | Acid soluble abrasive material and method of use |
-
0
- BE BE434144D patent/BE434144A/xx unknown
- NL NL51036D patent/NL51036C/xx active
-
1939
- 1939-04-12 CH CH212526D patent/CH212526A/de unknown
- 1939-05-03 US US271606A patent/US2272739A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NL51036C (is) | |
| CH212526A (de) | 1940-11-30 |
| US2272739A (en) | 1942-02-10 |