| 摘要 |
<p>RUST INHIBITORS AND LUBRICANT COMPOSITIONS CONTAINING SAME (D#74,007-F) Ashless rust-inhibited lubricating oil compositions comprising a major portion of a mineral lubricating oil, and a minor, rust inhibiting amount of a polyhydric ester represented by the formula: in which R and R' are hydrogen or hydrocarbyl radicals having from 1 to 24 carbon atoms, r, m and n are integers ranging from 0 to 10. I</p> |
