BE564246A - - Google Patents
Info
- Publication number
- BE564246A BE564246A BE564246A BE564246A BE564246A BE 564246 A BE564246 A BE 564246A BE 564246 A BE564246 A BE 564246A BE 564246 A BE564246 A BE 564246A BE 564246 A BE564246 A BE 564246A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/42—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4
- C07D311/44—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3
- C07D311/46—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring
- C07D311/48—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring with two such benzopyran radicals linked together by a carbon chain
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS65557 | 1957-02-04 | ||
| CS65457 | 1957-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE564246A true BE564246A (de) | 1958-02-15 |
Family
ID=25745319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE564246A BE564246A (de) | 1957-02-04 | 1958-01-25 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE564246A (de) |
| CH (1) | CH365734A (de) |
| DE (1) | DE1132145B (de) |
| FR (1) | FR1201496A (de) |
| GB (1) | GB830098A (de) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE12546C (de) * | G. MÜLLER in Schweinfurt | Neuerungen an Cement-Dach-Falzziegeln |
-
1958
- 1958-01-25 BE BE564246A patent/BE564246A/xx unknown
- 1958-01-27 CH CH5512958A patent/CH365734A/de unknown
- 1958-01-29 GB GB294558A patent/GB830098A/en not_active Expired
- 1958-01-30 DE DE1958S0056765 patent/DE1132145B/de active Pending
- 1958-02-04 FR FR1201496D patent/FR1201496A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB830098A (en) | 1960-03-09 |
| FR1201496A (fr) | 1959-12-30 |
| DE1132145B (de) | 1962-06-28 |
| CH365734A (de) | 1962-11-30 |