AT378309T
Processes for purification and production of fluorocarbons
Abstract
The invention relates to the use of a compound of the pentafluoroethane (HFC-125) purifying, wherein the perfluoro propylene (HFP) or a fluoride (CFC-1113) and method for extracting agent. The method for producing a preparation or fluoride using HFP used for recovering (HFC-227) or other derivative precursors.
Term
No projected expiry on record.
- Priority
- Filed
- Granted
- Today
21 members in 13 offices
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 7556002 | United States of America | A |
Members21
| Document | Office | Kind | |
|---|---|---|---|
| CA2475045A1 | Canada | A1 | |
| CA2625014A1 | Canada | A1 | |
| WO03068716A1 | World Intellectual Property Organization (WIPO) | A1 | |
| AU2003209103A1 | Australia | A1 | |
| US2003164283A1 | United States of America | A1 | |
| MXPA04007855A | Mexico | A | |
| KR20040091051A | Republic of Korea | A | |
| EP1474370A1 | European Patent Office (EPO) | A1 | |
| JP2005517699A | Japan | A | |
| CN1633404A | China | A | |
| AU2003209103B2 | Australia | B2 | |
| NZ534344A | New Zealand | A | |
| US2006108213A1 | United States of America | A1 | |
| ZA200405821B | South Africa | B | |
| US7060165B2 | United States of America | B2 | |
| KR100617262B1 | Republic of Korea | B1 | |
| EP1474370B1 | European Patent Office (EPO) | B1 | |
| AT378309TThis record | Austria | T | |
| DE60317464D1 | Germany | D1 | |
| CN100368365C | China | C | |
| DE60317464T2 | Germany | T2 |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Ceased as to paragraph 5 lit. 3 law introducing patent treatiesCeasedRER | RER |
Numbers
- Application
- 3707831
Titles2
- German
- VERFAHREN ZUR REINIGUNG UND HERSTELLUNG VON FLUORKOHLENWASSERSTOFFEN
- English
- PROCESS FOR CLEANING AND PRODUCING HYDROCARBONS
Classification
- CPC, 4
- C07C17/383
- C07C17/087
- C07C17/21
- C07C17/386
- IPC, 8
- C07B61 00
- C07C17 087
- C07C17 21
- C07C17 383
- C07C17 386
- C07C19 08
- C07C21 18
- C08C19 12