| 摘要 |
<p>(U.S. 972,740) Mineral oil compositions having improved oxidation stability are provided by compositions comprising a major amount of a paraffinic mineral oil basestock and a selected amount of a branched, multiring cycloparaffinic component which is substantially made up of cycloparaffins having up to 7 rings and an average number of from about 3 to about 8 alkyl branches.</p> |
