VINYLLACTAM COPOLYMERS USED AS GAS HYDRATE INHIBITORS

Details for Australian Patent Application No. 2003296562 (hide)

Owner BASF AKTIENGESELLSCHAFT

Inventors ANGEL, Maximilian; NEUBECKER, Karin; STEIN, Stefan

Pub. Number AU-A-2003296562

PCT Number PCT/EP2003/0119

PCT Pub. Number WO2004/042190

Priority 102 52 010.0 06.11.02 DE

Filing date 28 October 2003

Wipo publication date 7 June 2004

International Classifications

E21B 043/22 Obtaining fluids from wells

Event Publications

6 May 2004 Complete Application Filed

  Priority application(s): 102 52 010.0 06.11.02 DE

1 July 2004 Application Open to Public Inspection

  Published as AU-A-2003296562

21 July 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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