Patent ID: 7879778
Filing Date: 2011-02-01
Classification: C10M,C10N

Abstract:
1. A method for improving the pour point performance of a lubricating oil base oil selected from the group consisting of mineral oil, synthetic oil and non-conventional oil and mixtures thereof by adding to the base oil about 20 wt % of a synthetic phenolic ether of the formula: wherein R 1 and R 4 are the same or different and are hydrogen or alkyl hydrocarbyl groups containing 1 to 16 carbons provided that both R 1 and R 4 cannot be H and that if either is H it constitutes less than 5% of the total of the R 1 and R 4 group; R 2 and R 3 are the same or different and are hydrogen or C 1 -C 3 alkyl, wherein the pour point performance improvement is the non-linear reduction of the pour point of the lubricating oil.