Cage-shaped cyclopentanoic dianhydride, method for production thereof, and polyimide

Cage-shaped cyclopentanoic dianhydride, method for production thereof, and polyimide

  • CN 105,348,297 A
  • Filed: 04/06/2010
  • Published: 02/24/2016
  • Est. Priority Date: 04/10/2009
  • Status: Active Application
First Claim
Patent Images

1. cage type 1,2,3,4-pentamethylene tetracarboxylic acid-1,3:

  • 2, the 4-dianhydride represented by formula [1],

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