Amino phenols useful as additives for fuels and lubricants

Details Amino phenols useful as additives for fuels and lubricants Amino phenols useful as additives for fuels and lubricants

C - Chemistry, Metallurgy

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253/106, 44/29,

C10L 1/22 (2006.01) C07C 205/22 (2006.01) C07D 213/65 (2006.01) C08F 8/00 (2006.01) C10L 1/223 (2006.01) C10L 1/232 (2006.01) C10L 1/238 (2006.01) C10L 1/24 (2006.01) C10M 133/54 (2006.01)

Patent

CA 1096886

ABSTRACT OF THE DISCLOSURE Amino phenols 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 useful additives for fuels and lubricants. These amino phenols can be conveniently pre- pared by nitrating an appropriate hydroxy aromatic compound and reducing the nitro groups to amino groups. Typically such amino phenols 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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