Stable high temperature liquid lubricant blends and antioxidant additives for use therewith
摘要
An antioxidant additive for an engine or propulsion system lubricant subjected to high temperatures which includes a high molecular weight substituted phenolic carboxylic acid tetraester of pentaerythritol. A lubricant blend which is capable of solubilizing the antioxidant additive and includes a polyolester, a phosphate ester and at least one of a polyalphaolefin and an alkylated naphthalene.
申请公布号
US5236610(A)
申请公布日期
1993.08.17
申请号
US19920827946
申请日期
1992.02.03
申请人
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE COMMERCE
发明人
PEREZ, JOSEPH M.;ZHANG, YUMING;KU, CHIA-SOON;HSU, STEPHEN M.