The product of the reaction of the ester of polyol of lactone, the composition of oil lubricant containing the same and the additive concentrate composition and process for the preparation of polyol esters of the lactone

摘要

Lactone polyol ester reaction products of hydrocarbon substituted lactone carboxylic acid, with polyols such as pentaerythritol and their derivatives are useful additives in oleaginous compositions, such as varnish-inhibiting dispersants for lubricating oils, and fuels.