HETEROGENEOUS CHROMIUM CATALYSTS AND PROCESSES OF POLYMERIZATION OF OLEFINS USING SAME

Details for Australian Patent Application No. 2002314743 (hide)

Owner W.R. GRACE AND CO.-CONN.

Inventors SHIH, Keng-Yu; DENTON, Dean, Alexander; GLEMZA, Rimantas

Pub. Number AU-A-2002314743

PCT Number PCT/US02/11367

PCT Pub. Number WO2002/088196

Priority 60/287,601 30.04.01 US

Filing date 10 April 2002

Wipo publication date 11 November 2002

International Classifications

C08F 010/00 Homopolymers or copolymers

C08F 004/02 Polymerisation catalysts

C08F 004/69 Polymerisation catalysts

Event Publications

2 January 2003 Complete Application Filed

  Priority application(s): 60/287,601 30.04.01 US

17 April 2003 Application Open to Public Inspection

  Published as AU-A-2002314743

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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