Perfluordioxol-Membranen
European patent · EP0477224 · Deleted
Register entry
- Publication number
- EP0477224
- Application number
- EP90909033
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Jun 13, 1990
- Published
- Apr 1, 1992
- Granted
- Mar 17, 1993
- Deleted
- Jun 30, 1994
- Reason
- Annual fee unpaid
- IPC classes
- B01D 71/44 (2006.01)B01D 53/22 (2006.01)C08F 34/02 (2006.01)
- Priority
- US A 366400 15.06.1989
- PCT application
- PCT/CA1990/000195 13.06.1990
- PCT publication
- WO1990/015662 27.12.1990
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Oct 24, 2024
Deleted, fee unpaid
Published in Swissreg on 24.10.2024
- Apr 30, 1993
Granted
Published in PIDTJ No 8 in 1993
Parties
Holder
Inventor
Nemser, Stuart Marshall
Wilmington, DE 19803, US
Roman, Ian Charles
Wilmington, DE 19809, US
The register names each party by name and address. A holder or agent is linked to an organization where exactly one entity of the commercial register bears its name; the street of a party not so recognised is not shown here.