C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 135/14 (2006.01) C10M 135/28 (2006.01) C10M 135/36 (2006.01)
Patent
CA 2587340
A premium wear resistant lubricant comprises a base stock, preferably a GTL liquid or the liquid isomerization product of slack wax or F-T wax, and a non- ionic ashless anti-wear additive. The non-ionic ashless antiwear additive is preferably at least one of thiosalicylic acid or alkyl ester thereof, thioxomalonate, 2,2-dithiopyridine and thiazolidine. The lubricant may also contain additional base stock materials selected from other hydrocarbonaceous and synthetic base stock materials in admixture with the GTL liquid or slack wax or F-T derived base stock.
L'invention concerne un excellent lubrifiant anti-usure qui contient une huile de base, de préférence un liquide GTL ou un produit d'isomérisation liquide de gatsch ou de cire Fischer-Tropsh, ainsi qu'un additif anti-usure sans cendres et non ionique. De préférence, l'additif anti-usure sans cendres et non ionique contient au moins un acide thiosalicylique ou un ester alkylique de celui-ci, du thioxomalonate, du 2,2-dithiopyridine et du thiazolidine. Le lubrifiant de l'invention peut également contenir des matières d'huiles de base sélectionnées à partir d'autres matériaux d'huiles de base hydrocarbonées et synthétiques mélangées au liquide GTL, ou à l'huile de base dérivée de F-T ou de gatsch.
Habeeb Jacob J.
Haigh Heather M.
Borden Ladner Gervais Llp
Exxonmobil Research And Engineering Company
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