Boron-containing compositions and lubricants containing them

Details Boron-containing compositions and lubricants containing them Boron-containing compositions and lubricants containing them

C - Chemistry, Metallurgy

07

F

253/60, 260/462.

C07F 5/04 (2006.01) C10M 139/00 (2006.01)

Patent

CA 1223274

- 22 - NOVEL BORON-CONTAINING COMPOSITIONS AND LUBRICANTS CONTAINING THEM Abstract Boron-containing compositions are prepared by the reaction of boric acid, boron trioxide, a boron halide or an ester of boric acid with the condensation product (which may be formed in situ) of a hydroxyaromatic compound (preferably an alkylphenol) with an aliphatic aldehyde (preferably formaldehyde). They are useful as lubricant additives to inhibit oxidation, improve extreme pressure properties and decrease fuel consumption. They are especially useful as oxidation inhibitors in gear and bearing lubricants con- taining substantial amounts of sulfur and phosphorus com- pounds.

419514

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