Polymerisationskatalysator und Verfahren
European patent · EP0457236 · Deleted
Register entry
- Publication number
- EP0457236
- Application number
- EP91107710
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- May 13, 1991
- Published
- Nov 21, 1991
- Granted
- Sep 13, 1995
- Deleted
- May 31, 1997
- Reason
- Annual fee unpaid
- IPC classes
- C08F 10/00 (2006.01)C08F 4/24 (2006.01)C08F 4/622 (2006.01)
- Priority
- US A 522683 14.05.1990
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Jan 15, 1998
Deleted, fee unpaid
Published in PIDTJ No 1 in 1998
- Nov 15, 1995
Granted
Published in PIDTJ No 21 in 1995
Parties
Inventor
Witt, Donald Reinhold
Bartlesville, OK 74006, US
Benham, Elizabeth Ann
Bartlesville, OK 74006, US
McDaniel, May Paul
Bartlesville, OK 74006, 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.