Title:
GEAR LUBRICANT WITH LOW BROOKFIELD RATIO
Document Type and Number:
WIPO Patent Application WO2007118165
Kind Code:
B1
Abstract:
Gear lubricant with a low Brookfield Ratio, comprising: a base oil having sequential carbon atoms, low aromatics, greater than 20 wt% molecules with cycloparaffins and a high ratio of monocycloparaffins to multicycloparaffins; less than 22 wt% of a second base oil having less than 40 wt% molecules with cycloparaffins and a lower ratio of monocycloparaffins to multicycloparaffins; a pour point depressant, an EP additive; and less than 10 wt% VI improver. Gear lubricant with a low Brookfield Ratio, comprising a first base oil having low aromatics and high VI; less than 22 wt% of a second base oil with a lower VI; a pour point depressant; and an EP additive. Gear lubricant having a low Brookfield Ratio comprising: an FT derived base oil; a pour point depressing base oil blending compoennt; and an EP additive. Processes for making gear lubricants with low Brookfield Ratios. Method for reducing Brookfield Ratio.
Inventors:
HAIRE MICHAEL J (US)
ZAKARIAN JOHN A (US)
ROSENBAUM JOHN M (US)
BERTRAND NANCY J (US)
MILLER STEPHEN J (US)
ZAKARIAN JOHN A (US)
ROSENBAUM JOHN M (US)
BERTRAND NANCY J (US)
MILLER STEPHEN J (US)
Application Number:
PCT/US2007/066095
Publication Date:
February 14, 2008
Filing Date:
April 05, 2007
Export Citation:
Assignee:
CHEVRON USA INC (US)
HAIRE MICHAEL J (US)
ZAKARIAN JOHN A (US)
ROSENBAUM JOHN M (US)
BERTRAND NANCY J (US)
MILLER STEPHEN J (US)
HAIRE MICHAEL J (US)
ZAKARIAN JOHN A (US)
ROSENBAUM JOHN M (US)
BERTRAND NANCY J (US)
MILLER STEPHEN J (US)
International Classes:
C10M101/02; C10G71/00; C10M105/02; C10M169/04
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