Cage cyclopentane acid dianhydride compound, process for producing same, and polyimide

Cage cyclopentane acid dianhydride compound, process for producing same, and polyimide

  • CN 102,428,088 A
  • Filed: 04/06/2010
  • Published: 04/25/2012
  • Est. Priority Date: 04/10/2009
  • Status: Active Application
First Claim
Patent Images

1. cage type 1,2,3 by formula [1] expression, 4-pentamethylene tetracarboxylic acid-1,3:

  • 2, the 4-dianhydride,[Chemical formula 1]

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