| 发明名称 |
ALKYLATION OF DIPHENYLAMINE WITH POLYISOBUTYLENE OLIGOMERS |
| 摘要 |
A process for preparation of alkylated diphenylamine antioxidant which comprises alkylating diphenylamine with a polyisobutylene in the presence of a clay catalyst, wherein the polyisobutylene has an average molecular weight i n the range of 120 to 600 and wherein the polysibutylene contains at least 25% methylvinylidene isomer.
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| 申请公布号 |
CA2399479(A1) |
申请公布日期 |
2003.02.28 |
| 申请号 |
CA20022399479 |
申请日期 |
2002.08.22 |
| 申请人 |
CHEVRON ORONITE COMPANY LLC |
发明人 |
ONOPCHENKO, ANATOLI |
| 分类号 |
C07B61/00;C07C209/68;C07C211/55;C09K15/18;(IPC1-7):C07C211/55 |
主分类号 |
C07B61/00 |
| 代理机构 |
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