2.
    发明专利
    未知

    公开(公告)号:DK144311C

    公开(公告)日:1982-07-05

    申请号:DK660774

    申请日:1974-12-18

    Applicant: SNAM PROGETTI

    Abstract: A mineral or synthetic lubricating oil is protected against oxidation by dissolving therein, at a temperature not higher than 80 DEG C, a 3-aza-6a-thio-thiophthene or a 3,4-diaza-6a-thio-thiophthene represented by the general formulae: wherein, R, R1 and R2, the same or different, represent hydrogen, alkyl, cycloalkyl, aryl, alkylaryl, arylalkyl or aminoaryl.

Patent Agency Ranking