COMPOSE SPIROPYRANIQUE A POIDS MOLECULAIRE ELEVE
European patent · EP0466938 · Deleted
Register entry
- Publication number
- EP0466938
- Application number
- EP91903696
- Kind
- European patent with effect for Switzerland and Liechtenstein
- Status
- Deleted
- Specification
- Granted
- Filed
- Feb 4, 1991
- Published
- Jan 22, 1992
- Granted
- Dec 27, 1996
- Deleted
- Feb 28, 2003
- Reason
- Annual fee unpaid
- IPC classes
- C08F 20/38 (2006.01)C08F 30/00 (2006.01)
- Priority
- JP 30376/90 08.02.1990JP 30840/90 09.02.1990
- PCT application
- PCT/JP1991/000131 04.02.1991
- PCT publication
- WO1991/012279 22.08.1991
- Filing language
- Japanese
- Source
- Swissreg
History
What the Federal Institute of Intellectual Property published about this title, newest first.
- Oct 15, 2003
Deleted, fee unpaid
Published in +pat+ No 19 in 2003
- Dec 31, 1996
Agent entered
- Representative
- Ritscher & Seifert, Patentanwälte VSP, Kreuzstrasse 82, 8032 Zürich
Published in PIDTJ No 24 in 1996
- Dec 31, 1996
Granted
Published in PIDTJ No 24 in 1996
Parties
Inventor
MIYASHITA, Akira
Ageo-shi, Saitama 362, JP
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.