Two-cycle engine oils containing amino phenols

Details Two-cycle engine oils containing amino phenols Two-cycle engine oils containing amino phenols

C - Chemistry, Metallurgy

10

M

253/106

C10M 133/54 (2006.01) C10M 133/58 (2006.01) F02B 75/02 (2006.01)

Patent

CA 1096848

ABSTRACT OF THE DISCLOSURE: Lubricating oils containing at least one amino phenol of the general formula Image wherein R is a substantially saturated, hydrocarbon-based group of at least about 10 aliphatic carbon atoms, a, b and c are, for example, each 1, 2 or 3, and Ar is an aromatic moiety such as a benzene nucleus, naphthalene nucleus or linked benzene nuclei, are effective in lubricating two- cycle internal combustion engines. Typically such amino phenols for this use are formed by nitration and reduction of alkyl phenols having an alkyl or alkenyl group of at least about 50 carbon atoms.

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