Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Nitrogen and heavy metal – or nitrogen and aluminum – in the...
Reexamination Certificate
2005-02-15
2005-02-15
Toomer, Cephia D. (Department: 1714)
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Nitrogen and heavy metal, or nitrogen and aluminum, in the...
C508S363000, C508S364000, C508S376000, C508S192000, C508S295000
Reexamination Certificate
active
06855675
ABSTRACT:
A lubricating oil composition that has excellent antiwear properties and is especially useful for internal combustion engine comprises a lubricating base oil and contains the following components: sulfoxymolybdenum dithiocarbamate, zinc dialkyldithiophosphate and a mixture of 100 to 50% by weight of calcium alkylsalicylate and 0 to 50% by weight of magnesium alkylsalicylate, the amount of molybdenum derived from the sulfoxymolybdenum dithiocarbamate being from 200 to 1000 ppm (weight basis) of the total weight of the composition, the amount of phosphorus derived from the zinc dialkyldithiophosphate being from 0.04 to 15% by weight of the total weight of the composition, and the total amount of the calcium alkylsalicylate and the magnesium alkylsalicylate being from 1 to 10% by weight of the total weight of the composition.
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Robert T. Morrison and Robert N. Boyd (New York University), Organic Chemistry, Third Edition, May 1974, Sec. 3.12, Physical Properties, p. 85.
Asano Satoshi
Tomizawa Hirotaka
Yamada Michiya
Allocca Joseph J.
Marin Mark D.
TonenGeneral Sekiyu K.K.
Toomer Cephia D.
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