Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LUBE BASESTOCK WITH IMPROVED LOW TEMPERATURE PROPERTIES
Document Type and Number:
WIPO Patent Application WO2006055901
Kind Code:
A3
Abstract:
This invention relates to basestocks and base oils with improved low temperature properties and formulated lubricant compositions or functional fluids created by blending at least one such lube basestock with at least one component selected from dispersants, detergents, wear inhibitors, antioxidants, rust inhibitors, demulsifiers, extreme pressure agents, friction modifiers, multifunction additives, viscosity index improvers, pour point depressants, and foam inhibitors. In particular the invention relates to dewaxed lube basestocks having a Free Carbon Index of less than 4.3 and an Epsilon Carbon mole% of less than 14%. Formulated engine oils using such dewaxed basestocks exhibit improved low temperature properties as may be measured by the Mini Rotary Viscometer test.

Inventors:
YEH LISA I-CHANG (US)
STAVENS ELIZABETH (US)
PALMER THOMAS R (US)
LACEY MICHAEL (US)
ZHANG LEI (US)
Application Number:
PCT/US2005/042119
Publication Date:
September 08, 2006
Filing Date:
November 14, 2005
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
EXXONMOBIL RES & ENG CO (US)
YEH LISA I-CHANG (US)
STAVENS ELIZABETH (US)
PALMER THOMAS R (US)
LACEY MICHAEL (US)
ZHANG LEI (US)
International Classes:
C10G73/02; C10M101/02; C10G73/06
Foreign References:
US6773578B12004-08-10
US6676827B22004-01-13
US6620312B12003-09-16
US6059955A2000-05-09
US7018525B22006-03-28
US6663768B12003-12-16
US6383366B12002-05-07
Other References:
See also references of EP 1841844A4
Download PDF: