Patent ID: 7018962
Filing Date: 2006-03-28
Classification: C10M,C10N

Abstract:
1. A viscosity index (VI) improver concentrate comprising at least one VI improver, from 0 to about 5 mass % of lubricating oil flow improver (LOFI) and diluent oil, wherein the diluent oil has a kv 100 of at least about 3.0 cSt and a CCS at −35° C. of less than 3700 cPs, wherein at least about 98 mass % of said concentrate consists essentially of said VI improver, said LOFI and said diluent oil, and wherein the diluent oil is a Group II, Group III or Group IV oil, a mixture thereof, or a mixture of a Group I oil and at least one Group II, Group III or Group IV oil.