Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Heterocyclic ring compound; a heterocyclic ring is one...
Reexamination Certificate
2005-09-14
2010-11-23
Caldarola, Glenn A (Department: 1797)
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Heterocyclic ring compound; a heterocyclic ring is one...
C508S363000, C508S371000, C508S185000, C508S460000, C508S563000
Reexamination Certificate
active
07838473
ABSTRACT:
A lubricating oil composition of TBN 8-9 having up to 0.3 wt. % sulfur, up to 0.08 wt. % phosphorus, and a sulfated ash content up to 0.80 wt. %, comprising an overbased magnesium-containing lubricating oil detergent, and 2.5 to 4 wt. % of a nitrogen-containing ashless dispersant.
REFERENCES:
patent: 2003/0148895 (2003-08-01), Robson et al.
patent: 2003/0148900 (2003-08-01), Palazzotto et al.
patent: 2004/0077506 (2004-04-01), Arrowsmith et al.
patent: 1 167 497 (2002-01-01), None
patent: 1 361 263 (2003-11-01), None
patent: WO03/064568 (2003-08-01), None
Shaw Robert W.
Thornhill Michele Anne
Caldarola Glenn A
Infineum International Limited
Vasisth Vishal
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