Multifunctional viscosity index improver and dispersant

Details for Australian Patent Application No. 2001290849 (hide)

Owner Crompton Corporation

Inventors Nalesnik, Theodore E; Duyck, Karl; Tran, Uyen Thanh

Agent Madderns

Pub. Number AU-B-2001290849

PCT Pub. Number WO2003/025034

Filing date 14 September 2001

Wipo publication date 1 April 2003

Acceptance publication date 10 January 2008

International Classifications

C10M 133/56 (2006.01) Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen

C08F 8/44 (2006.01) Chemical modification by after-treatment

C08F 255/00 (2006.01) Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group

C08F 255/02 (2006.01) Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group

C08L 51/06 (2006.01) Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds

C10M 133/58 (2006.01) Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen

C10N 30/04 (2006.01)

C10N 30/06 (2006.01)

C10N 40/25 (2006.01)

Event Publications

5 June 2003 Application Open to Public Inspection

  Published as AU-B-2001290849

10 January 2008 Application Accepted

  Published as AU-B-2001290849

8 May 2008 Standard Patent Sealed

9 April 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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