CS164915B2 - - Google Patents
Info
- Publication number
- CS164915B2 CS164915B2 CS777271A CS777271A CS164915B2 CS 164915 B2 CS164915 B2 CS 164915B2 CS 777271 A CS777271 A CS 777271A CS 777271 A CS777271 A CS 777271A CS 164915 B2 CS164915 B2 CS 164915B2
- Authority
- CS
- Czechoslovakia
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/34—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D309/36—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1775270A CH537920A (de) | 1970-12-01 | 1970-12-01 | Verfahren zur Herstellung reiner Dehydracetsäure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS164915B2 true CS164915B2 (cs) | 1975-11-28 |
Family
ID=4427822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS777271A CS164915B2 (cs) | 1970-12-01 | 1971-11-05 |
Country Status (12)
| Country | Link |
|---|---|
| AT (1) | AT308748B (cs) |
| BE (1) | BE775985A (cs) |
| CA (1) | CA963423A (cs) |
| CH (1) | CH537920A (cs) |
| CS (1) | CS164915B2 (cs) |
| DE (1) | DE2159634A1 (cs) |
| FR (1) | FR2117164A5 (cs) |
| GB (1) | GB1313246A (cs) |
| IT (1) | IT942222B (cs) |
| LU (1) | LU64376A1 (cs) |
| NL (1) | NL7113430A (cs) |
| SU (1) | SU405202A3 (cs) |
-
1970
- 1970-12-01 CH CH1775270A patent/CH537920A/de not_active IP Right Cessation
-
1971
- 1971-09-30 NL NL7113430A patent/NL7113430A/xx unknown
- 1971-10-05 GB GB4630471A patent/GB1313246A/en not_active Expired
- 1971-10-15 IT IT5349371A patent/IT942222B/it active
- 1971-11-05 CS CS777271A patent/CS164915B2/cs unknown
- 1971-11-24 CA CA128,449A patent/CA963423A/en not_active Expired
- 1971-11-29 FR FR7142758A patent/FR2117164A5/fr not_active Expired
- 1971-11-29 BE BE775985A patent/BE775985A/xx unknown
- 1971-11-30 AT AT1030271A patent/AT308748B/de not_active IP Right Cessation
- 1971-11-30 LU LU64376D patent/LU64376A1/xx unknown
- 1971-11-30 SU SU1720173A patent/SU405202A3/ru active
- 1971-12-01 DE DE19712159634 patent/DE2159634A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE775985A (fr) | 1972-05-29 |
| AT308748B (de) | 1973-07-25 |
| SU405202A3 (cs) | 1973-10-22 |
| CH537920A (de) | 1973-06-15 |
| CA963423A (en) | 1975-02-25 |
| IT942222B (it) | 1973-03-20 |
| FR2117164A5 (cs) | 1972-07-21 |
| NL7113430A (cs) | 1972-06-05 |
| GB1313246A (en) | 1973-04-11 |
| LU64376A1 (cs) | 1973-06-21 |
| DE2159634A1 (cs) | 1972-06-08 |