Method of preparing alkyl phenol-formaldehyde condensates

Details Method of preparing alkyl phenol-formaldehyde condensates Method of preparing alkyl phenol-formaldehyde condensates

1990-10-10

1992-06-02

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

252 98002, 568722, 568780, 568790, C07C 3720, C07C 3912

Patent

active

051188759

ABSTRACT:
Additives of improving the low temperature flow properties and oxidative stability of hydrocarbon oils are disclosed, which comprise the alkylation of a phenol in the presence of a polar aprotic cosolvent to produce an essentially linear alkylated phenol which is condensed with an aldehyde to produce the low temperature flow improver wherein:

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