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European patent · EP2173831 · Deleted

Register entry

Publication number
EP2173831
Application number
EP08762542
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Jun 11, 2008
Published
Apr 14, 2010
Granted
Jun 6, 2012
Deleted
Jun 30, 2012
Reason
Annual fee unpaid
IPC classes
C09K 8/528 (2006.01)
C09K 8/536 (2006.01)
E21B 37/06 (2006.01)
Priority
GB 0711342 12.06.2007
PCT application
PCT/GB2008/050432 11.06.2008
PCT publication
WO2008/152419 18.12.2008
Filing language
English
Source
Swissreg

History

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

  1. Jan 23, 2013

    Deleted, fee unpaid

    Published in Swissreg on 23.01.2013

  2. Jun 6, 2012

    Granted

    Published in Swissreg on 06.06.2012

Parties

Holder

Champion Technologies Ltd.

W. Sam White Building Peterseat Drive, Altens, Aberdeen AB12 3HT Aberdeenshire, GB

Halliburton Energy Services, Inc.

P.O. Box 1431, Duncan, OK 73533, US

StatoilHydro ASA

Forusbeen 50, 4035 Stavanger, NO

Inventor

SELLE, Olav Martin

N-4035 Stavanger, NO

MEBRATU, Amare

N-4029 Stavanger, NO

MONTGOMERIE, Harry

Aberdeen Aberdeenshire AB12 3HT, GB

CHEN, Ping

Aberdeen Aberdeenshire AB12 3HT, GB

HAGEN, Thomas

7491 AE Delden, NL

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.