Borated basic metal salt and lubricating oil composition
AssigneeShell Oil Company
InventorsJan J. Bleeker, Martin Booth, Madeline G. F. M. van Grieken, Wilhelmus J. Krijnen, Gerhard D. van Wijngaarden
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Abstract
Oil-soluble reaction product of an oil-soluble basic alkaline earth metal salt of an organic acid, in particular of an aromatic carboxylic acid and a boron compound, in particular a boric acid. This product has superior detergent, anti-wear and anti-corrosion properties in engine oils.
Claims4
An oil soluble reaction product of the reaction of an oil soluble basic magnesium or calcium salt of an organic acid consisting essentially of a magnesium or calcium C.sub.8-30 alkyl salicylate and a boron compound selected from the group consisting of ortho boric acid, meta boric acid and tetra boric acid, wherein said reaction is effected at a temperature of from about 20.degree. to about 200.degree. C. and at a mole ratio of said boron to said magnesium or calcium C.sub.8-30 alkyl salicylate of between 0.1 to 10.
Dependencies are inferred from the claim text.