Process for transitioning between incompatible catalysts using a substantially contaminant free seedbed

Details for Australian Patent Application No. 2003296307 (hide)

Owner Univation Technologies, LLC

Inventors Veariel, Thomas R.; Savatsky, Bruce J.; Tilston, Kelli L.

Agent Watermark

Pub. Number AU-B-2003296307

PCT Number PCT/US2003/0388

PCT Pub. Number WO2004/060922

Priority 60/437,696 31.12.02 US; 10/720,511 24.11.03 US

Filing date 8 December 2003

Wipo publication date 29 July 2004

Acceptance publication date 15 March 2007

International Classifications

C08F 2/38 (2006.01) Processes - Polymerisation using regulators, e.g. chain terminating agents

C08F 2/00 (2006.01) Processes

C08F 2/34 (2006.01) Processes - Polymerisation in gaseous state

C08F 2/42 (2006.01) Processes

C08F 4/42 (2006.01) Polymerisation catalysts

C08F 10/00 (2006.01) Homopolymers or copolymers

Event Publications

6 May 2004 Complete Application Filed

  Priority application(s): 60/437,696 31.12.02 US; 10/720,511 24.11.03 US

2 September 2004 Application Open to Public Inspection

  Published as AU-B-2003296307

15 March 2007 Application Accepted

  Published as AU-B-2003296307

12 July 2007 Standard Patent Sealed

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