Composition of lubricating base oil with high...

Mineral oils: processes and products – Products and compositions – Lubricating oils

Reexamination Certificate

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Details

C208S019000, C208S027000, C208S950000, C508S110000, C508S591000, C585S001000, C585S013000, C518S728000

Reexamination Certificate

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07083713

ABSTRACT:
A composition of lubricating base oil having a weight percent of all molecules with at least one aromatic function less than 0.30, a weight percent of all molecules with at least one cycloparaffin function greater than 10, and a ratio of weight percent of molecules with monocycloparaffins to weight percent of molecules with multicycloparaffins greater than 15.

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patent: 6627779 (2003-09-01), O'Rear
patent: 6833065 (2004-12-01), O'Rear
patent: 2003/0088133 (2003-05-01), O'Rear
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patent: 2004/0108249 (2004-06-01), Cody et al.
patent: 0 668 342 (1995-08-01), None
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patent: WO 00/14187 (2000-03-01), None
patent: WO01/57166 (2001-08-01), None
patent: WO 02/064710 (2002-08-01), None
patent: WO 2004033606 (2004-04-01), None
patent: WO 200481157 (2004-09-01), None
“Product Brochure of Shell MDS (Malaysia) Sdn Bhd” dated May 1995.

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