Patent ID: 6059955
Filing Date: 2000-05-09
Classification: C10G,C10M

Abstract:
An automatic transmission fluid comprising a major portion of an isoparaffinic basestock having a viscosity at 100.degree. C. (V100) equal to or greater than 3.0 cSt, a viscosity index less than 130 and a free carbon index (FCI) such that the product, P, in the equation P=(V100).sup.2 FCI does not exceed 50; and a minor portion of additive package comprising at least one of pour point depressants, viscosity index modifiers, flow improvers, detergents, inhibitors, seal swelling agents, anti-rust agents and antifoaming agents wherein the Brookfield viscosity of the automatic transmission fluid is less than 10,000 cSt at 40.degree. C.