发明授权
- 专利标题: Method for purifying methyl alkyl siloxane lubricants
- 专利标题(中): 甲基烷基硅氧烷润滑剂的纯化方法
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申请号: US937837申请日: 1978-08-29
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公开(公告)号: US4159276A公开(公告)日: 1979-06-26
- 发明人: Nitin V. Desai , Richard J. Himics
- 申请人: Nitin V. Desai , Richard J. Himics
- 申请人地址: NY New York
- 专利权人: RCA Corporation
- 当前专利权人: RCA Corporation
- 当前专利权人地址: NY New York
- 主分类号: C07F7/20
- IPC分类号: C07F7/20
摘要:
A method of purifying methyl alkyl siloxane lubricants of the formula ##STR1## wherein R is an alkyl group of 4-20 carbon atoms and x is an integer which comprises multiply extracting with acetone.
公开/授权文献
- US5913874A Cartridge for a surgical instrument 公开/授权日:1999-06-22
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