Method for producing block copolymers for tyre tread compositions, and corresponding copolymers

Details for Australian Patent Application No. 2004236353 (hide)

Owner Societe De Technologie Michelin Michelin Recherche et Technique S.A.

Inventors Lesage, Pierre

Agent Watermark

Pub. Number AU-A-2004236353

PCT Pub. Number WO2004/099277

Priority 03/05589 07.05.03 FR

Filing date 4 May 2004

Wipo publication date 18 November 2004

International Classifications

C08F 297/02 (2006.01) Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer

B60C 1/00 (2006.01) Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition

C08F 8/00 (2006.01) Chemical modification by after-treatment

C08F 297/04 (2006.01) Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer

C08L 53/00 (2006.01) Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds

C08L 53/02 (2006.01) Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds

Event Publications

22 December 2005 PCT application entered the National Phase

  PCT publication WO2004/099277 Priority application(s): WO2004/099277

16 August 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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