Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Inorganic compound
Reexamination Certificate
2008-05-13
2008-05-13
McAvoy, Ellen M. (Department: 1797)
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Inorganic compound
C508S158000, C508S192000, C508S390000, C508S391000, C508S460000, C508S518000
Reexamination Certificate
active
10797386
ABSTRACT:
Lubricating oil compositions particularly suitable for automatic transmissions comprising a lubricating base oil, (A) a boron-containing ashless dispersant in an amount of 0.02 to 0.1 percent by mass in terms of boron, based on the total mass of the composition, (B) an alkaline earth metal-based detergent with a base number of 0 to 500 mgKOH/g in an amount of 0.01 percent by mass or more in terms of alkaline earth metal, based on the total mass of the composition, and (C) an alkali metal borate or a hydrate thereof and having excellent anti-wear properties and improved fatigue life by inhibiting pitching.
REFERENCES:
patent: 3853772 (1974-12-01), Adams
patent: 4089790 (1978-05-01), Adams
patent: 5739088 (1998-04-01), Inoue et al.
patent: 6534450 (2003-03-01), Harrison et al.
patent: 6617286 (2003-09-01), Sato et al.
patent: 6632781 (2003-10-01), Harrison et al.
patent: 6737387 (2004-05-01), Harrison et al.
patent: 6841521 (2005-01-01), Boffa et al.
patent: 7026273 (2006-04-01), Robson et al.
patent: 2001/0034305 (2001-10-01), Komatsubara
patent: 0 695 798 (1996-02-01), None
patent: 2000-063878 (2000-02-01), None
patent: 2002-003875 (2002-01-01), None
patent: 2002-129182 (2002-05-01), None
patent: WO 96/37585 (1996-11-01), None
McAvoy Ellen M.
Nippon Oil Corporation
Panitch Schwarze Belisario & Nadel LLP
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