发明名称 |
Process for preparing over-based sulfurized alkaline earth metal phenates |
摘要 |
A process for producing over-based sulfurized alkaline earth metal phenates useful as lubricating oil or fuel oil additives comprising reacting a phenol, sulfur, a dihydric alcohol and an alkaline earth metal oxide or hydroxide with about 0.99 to about 0.001 gram equivalents per phenolic hydroxyl group, and reacting the reaction product with carbon dioxide at a temperature of about 50 DEG to about 230 DEG C.
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申请公布号 |
US4123371(A) |
申请公布日期 |
1978.10.31 |
申请号 |
US19770862809 |
申请日期 |
1977.12.21 |
申请人 |
MARUZEN OIL CO., LTD. |
发明人 |
HORI, TAKASHI;HAYASHIDA, SUETOU |
分类号 |
C07C323/20;C07C67/00;C07C313/00;C07C319/02;C07C319/22;C07C321/26;C07C323/00;C10L1/24;C10M159/22;C10N10/04;C10N30/04;C10N40/25;(IPC1-7):C10M1/54;C10M3/48;C10M5/28;C10M7/52 |
主分类号 |
C07C323/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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