SPIRO COMPOUND AS DETERGENT ADDITIVE IN LUBRICANTS FOR MARINE ENGINES

    公开(公告)号:US20240400932A1

    公开(公告)日:2024-12-05

    申请号:US18699168

    申请日:2022-10-06

    Abstract: The present patent application relates to the use, as detergent additive in a lubricating composition intended for a marine engine, of at least one spiro compound of formula (I) in which M is an atom chosen from boron and aluminum; n1 and n2 have, independently of one another, the value 0, 1 or 2; and R represent, independently of one another, a hydrocarbon group comprising from 1 to 50 carbon atoms, in particular from 5 to 20 carbon atoms. It also relates to the use of said spiro compound as additive in a lubricating composition intended for a marine engine, for improving the stability to oxidation of said lubricating composition.
    Finally, it relates to a lubricating composition intended for the lubrication of a marine engine, comprising one or more base oils and at least one spiro compound of formula (I), and also to a process of lubrication of a marine engine employing such a composition.

Patent Agency Ranking