Patent Number: 6,255,261

Title: (Meth) acrylate copolymer pour point depressants

Abstract: Poly (meth) acrylate copolymers comprising from about 5 to about 60 weight percent of a C11-C15 alkyl (meth) acrylate; and from about 95 to about 40 weight percent of a C16-C30 alkyl (meth) acrylate provide excellent low temperature properties to lubricating oils.

Inventors: Liesen; Gregory P. (Mechanicsville, VA), Jao; Tze Chi (Glen Allen, VA), Li; Shoutian (Midlothian, VA)

Assignee: Ethyl Corporation

International Classification: C10M 145/00 (20060101); C10M 145/14 (20060101); C08F 220/18 (20060101); C08F 220/00 (20060101); C10M 145/14 (); C08F 220/18 ()

Expiration Date: 07/03/2018