Procédé de purification des eaux usées dans des unités de production d'urée

European patent · EP0417829 · Deleted

Register entry

Publication number
EP0417829
Application number
EP90202310
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Maintained in amended form
Filed
Aug 29, 1990
Published
Mar 20, 1991
Granted
May 5, 1993
Deleted
Aug 28, 2010
Reason
Maximum term reached
IPC classes
C02F 1/58 (2006.01)
C02F 1/02 (2006.01)
C07C 273/04 (2006.01)
Priority
IT A 2174289 15.09.1989
Filing language
English
Source
Swissreg

History

What the Federal Institute of Intellectual Property published about this title, newest first.

  1. Aug 30, 2010

    Maximum term reached

    Published in Swissreg on 30.08.2010

  2. Nov 15, 1996

    Change

    Published in PIDTJ No 21 in 1996

  3. Jun 15, 1993

    Granted

    Published in PIDTJ No 11 in 1993

Parties

Holder

SNAMPROGETTI S.p.A.

Corso Venezia, 16, Milano, IT

Agent

R.A. Egli & Co, Patentanwälte

R. A. Egli & Co. Patentanwälte

Horneggstrasse 4, 8008 Zürich

Inventor

Granelli, Franco

I-20148 Milano, IT

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.