AT62338T
Process for recovery and purification of ethylene.
Abstract
This record has no abstract on file.
Term
No projected expiry on record.
- Priority
- Filed
- Granted
- Today
9 members in 7 offices
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 4358287 | United States of America | A |
Members9
| Document | Office | Kind | |
|---|---|---|---|
| US4720293A | United States of America | A | |
| EP0288912A1 | European Patent Office (EPO) | A1 | |
| JPS63280030A | Japan | A | |
| EP0288912B1 | European Patent Office (EPO) | B1 | |
| AT62338TThis record | Austria | T | |
| DE3862231D1 | Germany | D1 | |
| ES2021784B3 | Spain | B3 | |
| GR3001904T3 | Greece | T3 | |
| JP2575045B2 | Japan | B2 |
2 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Ceased due to non-payment of the annual feeCeasedREN | REN | |
| Publication of translation of european patent specificationUEP | UEP |
Numbers
- Application
- 88106408
Titles2
- German
- AETHYLEN-RUECKGEWINNUNGS- UND REINIGUNGSVERFAHREN.
- English
- AETHYLENE RECOVERY AND CLEANING METHOD.
Classification
- IPC, 10
- B01D3 00
- B01D5 00
- C07C1 00
- C07C11 04
- C07C67 00
- C07C7 00
- C07C7 04
- C07C7 09
- F25J3 02
- F25J3 08