HALOSULFONIC ACID TREATED CATALYST SUPPORT FOR OLEFIN POLYMERIZATION

Details for Australian Patent Application No. 2002231524 (hide)

Owner NOVA CHEMICALS (INTERNATIONAL) S.A.

Inventors GAO, Xiaoliang; CHISHOLM, P. Scott; KOWALCHUK, Matthew, Gerald; DONALDSON, Robert, D.

Pub. Number AU-A-2002231524

PCT Pub. Number WO2003/068829

Filing date 11 February 2002

Wipo publication date 4 September 2003

International Classifications

C08F 010/00 Homopolymers or copolymers

Event Publications

2 October 2003 Application Open to Public Inspection

  Published as AU-A-2002231524

28 October 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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