| 摘要 |
<p>U.S. 35,497 An improved dewaxing aid for solvent dewaxing processes comprising a mixture of (a) lithium isostearate and (b) a polymer of an ester of at least one aliphatic alcohol with methacrylic acid or acrylic acid having an average molecular weight ranging from between about 300,000 to 2,000,000.</p> |
