Lubricating base oil and lubricating oil composition

Details Lubricating base oil and lubricating oil composition Lubricating base oil and lubricating oil composition

2007-07-05

2010-11-23

Caldarola, Glenn A (Department: 1797)

Chemistry of hydrocarbon compounds

Product blend, e.g., composition, etc., or blending process...

C585S009000, C585S013000, C508S111000, C208S033000, C208S040000

Reexamination Certificate

active

07838709

ABSTRACT:
The invention provides a lubricating base oil with a saturated component content of 90% by mass or greater, a proportion of cyclic saturated components of no greater than 40% by mass of the saturated components, a viscosity index of 110 or greater, an aniline point of 106 or greater and an ε-methylene proportion of 14-20% of the total constituent carbons, as well as a lubricating oil composition comprising the lubricating base oil.

REFERENCES:
patent: 6090989 (2000-07-01), Trewella et al.
patent: 2005/0077209 (2005-04-01), Miller et al.
patent: 2005/0241990 (2005-11-01), Ziemer et al.
patent: 2006/0113216 (2006-06-01), Rosenbaum et al.
patent: 4-036391 (1992-02-01), None
patent: 4-068082 (1992-03-01), None
patent: 4-120193 (1992-04-01), None

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