Process for producing micron-size, modified palygorskite as a Ziegler-Natta catalyst for production of polyethylene

Details for Australian Patent Application No. 2005201962 (hide)

Owner Zhang, W. Wu, D. Ye, Y. Chen, X.

Inventors Chen, Xuegang; Chang, Wei-Jui; Ye, Ying; Wu, Daidai

Agent Weirui Zhang

Pub. Number AU-B-2005201962

Filing date 10 May 2005

Wipo publication date 30 November 2006

Acceptance publication date 1 May 2008

International Classifications

C08F 4/642 (2006.01) Polymerisation catalysts

Event Publications

26 May 2005 Complete Application Filed

30 November 2006 Application Open to Public Inspection

  Published as AU-B-2005201962

1 May 2008 Application Accepted

  Published as AU-B-2005201962

4 September 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under reg. 22.2I(2). This application has been accepted or advertised accepted. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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