PROCESSES FOR TRANSITIONING BETWEEN METALLOCENE AND ZIEGLER-NATTA POLYMERIZATION CATALYSTS

Details for Australian Patent Application No. 2003298811 (hide)

Owner UNIVATION TECHNOLOGIES, LLC

Inventors PANNELL, Richard, B.; RUSSELL, Kathryn, Ann; SANTANA, Robert, Lynn; ZHANG, X., Simon; AGAPIOU, Agapios, K.; HAGERTY, Robert, O.; HUSSEIN, F., David; MUHLE, Michael, E.

Pub. Number AU-A-2003298811

PCT Number PCT/US2003/0382

PCT Pub. Number WO2004/060930

Priority 10/715,813 18.11.03 US; 60/437,697 31.12.02 US

Filing date 3 December 2003

Wipo publication date 29 July 2004

International Classifications

C08F 002/34 Processes - Polymerisation in gaseous state

C08F 002/38 Processes - Polymerisation using regulators, e.g. chain terminating agents

Event Publications

6 May 2004 Complete Application Filed

  Priority application(s): 10/715,813 18.11.03 US; 60/437,697 31.12.02 US

2 September 2004 Application Open to Public Inspection

  Published as AU-A-2003298811

15 September 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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