Procédé de préparation d'un éther
European patent · EP0507770 · Deleted
Register entry
- Publication number
- EP0507770
- Application number
- EP90906460
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Apr 9, 1990
- Published
- Oct 14, 1992
- Granted
- Aug 9, 1995
- Deleted
- Apr 30, 2000
- Reason
- Annual fee unpaid
- IPC classes
- C07C 41/06 (2006.01)B01J 29/70 (2006.01)
- Priority
- US A 456702 26.12.1989
- PCT application
- PCT/US1990/001922 09.04.1990
- PCT publication
- WO1991/009829 11.07.1991
- Filing language
- English
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Dec 15, 2000
Deleted, fee unpaid
Published in PIDTJ No 23 in 2000
- Sep 29, 1995
Granted
Published in PIDTJ No 18 in 1995
Parties
Inventor
Bell, Weldon Kay
Pennington, NJ 08534, US
Haag, Werner Otto
Lawrenceville, NJ 08648, US
Marler, David Owen
Deptford, NJ 08096, 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.