Nitrogen-containing esters and lubricants containing them

Details Nitrogen-containing esters and lubricants containing them Nitrogen-containing esters and lubricants containing them

1985-04-03

1986-08-05

Dixon, Jr., William R.

Compositions

Electrolytes for electrical devices

5253274, 5253277, 5253295, 5253305, C16M14500

Patent

active

046042210

ABSTRACT:
A nitrogen-containing ester of a carboxy-containing interpolymer which is particularly useful as a pour point depressant is disclosed. The interpolymer has a reduced specific viscosity of from about 0.05 to about 1 and is derived from at least two monomers, one of said monomers being a low molecular weight aliphatic olefin or styrene and the other of said monomers being an alpha, beta-unsaturated aliphatic acid, anhydride or ester thereof. The nitrogen-containing ester is substantially free of titratable acidity and is characterized by the presence within its polymeric structure of at least one of each of the following groups which are derived from the carboxy groups of said interpolymer:

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