| 发明名称 |
Polyalkylpyrrolidines and fuel compositions containing the same |
| 摘要 |
<p>A polyalkylpyrrolidine compound of the formula:
<Chemistry id="chema01" num="0001"><Image id="ia01" he="21" wi="65" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" /></Chemistry> or a fuel-soluble salt thereof;
<UnorderedLists id="ula01" listStyle="none"><ListItem>wherein R<Sub>1</Sub> is a polyalkyl group having an average molecular weight in the range of from about 500 to 5,000;</ListItem><ListItem>R<Sub>2</Sub> is a straight- or branched-chain alkylene group having from about 2 to 6 carbon atoms;</ListItem><ListItem>R<Sub>3</Sub> is H or CH<Sub>3</Sub>; and</ListItem><ListItem>x is an integer from about 0 to 4.</ListItem></UnorderedLists></p><p>The polyalkylpyrrolidines of the present invention are useful as fuel additives for the prevention and control of engine deposits.</p> |
| 申请公布号 |
EP1057811(A1) |
申请公布日期 |
2000.12.06 |
| 申请号 |
EP20000303151 |
申请日期 |
2000.04.14 |
| 申请人 |
CHEVRON CHEMICAL COMPANY LLC |
发明人 |
CHERPECK, RICHARD E.;KRAMER, JAMES D. |
| 分类号 |
C10L1/06;C08F8/30;C10L1/08;C10L1/22;C10L1/232;C10L1/238;C10L1/2383;C10L10/00;C10L10/04;(IPC1-7):C07D207/06;C08F8/04 |
主分类号 |
C10L1/06 |
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