发明授权
US09456495B2 Norbornane-2-spiro-α-cycloalkanone-α′-spiro-2″-norbornane-5,5″,6,6″-tetracarboxylic dianhydride, norbornane-2-spiro-α-cycloalkanone-α′-spiro-2″-norbornane-5,5″,6,6″-tetracarboxylic acid and ester thereof, method for producing norbornane-2-spiro-α-cycloalkanone-α′-spiro-2″-norbornane-5,5″,6,6″-tetracarboxylic dianhydride, polyimide obtained by using the same, and method for producing polyimide 有权
降冰片烷-2-螺环-α-环烷酮-α' - 螺-2“ - 降冰片烷-5,5”,6,6“ - 四羧酸二酐,降冰片烷-2-螺 - α-环烷酮-α-螺 - 2” -norbornane-5,5“,6,6” - 四羧酸及其酯,制备降冰片烷-2-螺 - α-环烷酮-α' - 螺-2“ - 降冰片烷-5,5”的方法,6,6 “四羧酸二酐”,使用它们得到的聚酰亚胺,以及聚酰亚胺的制造方法

  • 专利标题: Norbornane-2-spiro-α-cycloalkanone-α′-spiro-2″-norbornane-5,5″,6,6″-tetracarboxylic dianhydride, norbornane-2-spiro-α-cycloalkanone-α′-spiro-2″-norbornane-5,5″,6,6″-tetracarboxylic acid and ester thereof, method for producing norbornane-2-spiro-α-cycloalkanone-α′-spiro-2″-norbornane-5,5″,6,6″-tetracarboxylic dianhydride, polyimide obtained by using the same, and method for producing polyimide
  • 专利标题(中): 降冰片烷-2-螺环-α-环烷酮-α' - 螺-2“ - 降冰片烷-5,5”,6,6“ - 四羧酸二酐,降冰片烷-2-螺 - α-环烷酮-α-螺 - 2” -norbornane-5,5“,6,6” - 四羧酸及其酯,制备降冰片烷-2-螺 - α-环烷酮-α' - 螺-2“ - 降冰片烷-5,5”的方法,6,6 “四羧酸二酐”,使用它们得到的聚酰亚胺,以及聚酰亚胺的制造方法
  • 申请号: US14303317
    申请日: 2014-06-12
  • 公开(公告)号: US09456495B2
    公开(公告)日: 2016-09-27
  • 发明人: Toshihiko MatsumotoShinichi Komatsu
  • 申请人: Toshihiko MatsumotoShinichi Komatsu
  • 申请人地址: JP Tokyo
  • 专利权人: JX NIPPON OIL & ENERGY CORPORATION
  • 当前专利权人: JX NIPPON OIL & ENERGY CORPORATION
  • 当前专利权人地址: JP Tokyo
  • 代理机构: Fitch, Even, Tabin & Flannery LLP
  • 主分类号: C08G73/10
  • IPC分类号: C08G73/10 C07D493/10 C07C69/757 H05K1/03 C07C67/38 C09D179/08 C07C235/82
Norbornane-2-spiro-α-cycloalkanone-α′-spiro-2″-norbornane-5,5″,6,6″-tetracarboxylic dianhydride, norbornane-2-spiro-α-cycloalkanone-α′-spiro-2″-norbornane-5,5″,6,6″-tetracarboxylic acid and ester thereof, method for producing norbornane-2-spiro-α-cycloalkanone-α′-spiro-2″-norbornane-5,5″,6,6″-tetracarboxylic dianhydride, polyimide obtained by using the same, and method for producing polyimide
摘要:
A norbornane-2-spiro-α-cycloalkanone-α′-spiro-2″-norbornane-5,5″,6,6″-tetracarboxylic dianhydride represented by the following general formula (1): wherein the formula (1), n represents an integer of 0 to 12, and R1s, R2, R3 each independently represents a hydrogen atom or the like.
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