Method for purifying methyl alkyl siloxane lubricants
    1.
    发明授权
    Method for purifying methyl alkyl siloxane lubricants 失效
    甲基烷基硅氧烷润滑剂的纯化方法

    公开(公告)号:US4159276A

    公开(公告)日:1979-06-26

    申请号:US937837

    申请日:1978-08-29

    IPC分类号: C07F7/20

    CPC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.

    摘要翻译: 一种净化式“IMAGE”的甲基烷基硅氧烷润滑剂的方法,其中R是4-20个碳原子的烷基,x是包含用丙酮多次提取的整数。

    Novel resists and recording media
    3.
    发明授权
    Novel resists and recording media 失效
    小说抗拒和记录媒体

    公开(公告)号:US4252886A

    公开(公告)日:1981-02-24

    申请号:US959847

    申请日:1978-11-13

    IPC分类号: G03F7/038 G03C1/68

    CPC分类号: G03F7/038

    摘要: Homopolymers of 1-aza-5-acryloxymethyl-3,7-dioxa-bicyclo[3.3.0]octane are useful as resists for recording information patterns having high sensitivity and excellent contrast between exposed and unexposed areas.

    摘要翻译: 1-氮杂-5-丙烯酰氧基甲基-3,7-二氧杂双环[3.3.0]辛烷的均聚物可用作用于记录具有高敏感度和曝光区域与未曝光区域之间优异对比度的信息图案的抗蚀剂。