All-weather tractor hydraulic fluid using a mixture of viscosity modifier types to meet shear-stable multigrade viscosity requirements

Details for Australian Patent Application No. 2002250537 (hide)

Owner The Lubrizol Corporation

Inventors Gapinski, Richard E.

Agent Callinan

Pub. Number AU-B-2002250537

PCT Pub. Number WO2002/086036

Priority 60/285,377 20.04.01 US

Filing date 4 April 2002

Wipo publication date 5 November 2002

Acceptance publication date 12 July 2007

International Classifications

C10M 169/04 (2006.01) Mixtures of base-materials, thickeners and additives

C10M 145/14 (2006.01) Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen

C10M 145/16 (2006.01) Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen

C10M 149/06 (2006.01) Lubricating compositions characterised by the additive being a macromolecular compound containing nitrogen

C10M 149/10 (2006.01) Lubricating compositions characterised by the additive being a macromolecular compound containing nitrogen

C10M 157/00 (2006.01) Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups , each of these compounds being essential

C10M 157/04 (2006.01) Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups , each of these compounds being essential

C10N 20/04 (2006.01)

C10N 30/02 (2006.01)

C10N 40/08 (2006.01)

Event Publications

17 April 2003 Application Open to Public Inspection

  Published as AU-B-2002250537

12 July 2007 Application Accepted

  Published as AU-B-2002250537

8 November 2007 Standard Patent Sealed

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