Low water-absorptive polyimide resin and method for...

Details Low water-absorptive polyimide resin and method for... Low water-absorptive polyimide resin and method for...

2005-12-19

2010-02-09

Choi, Ling-Siu (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

C528S315000, C528S318000, C528S322000, C528S422000, C528S363000, C528S271000, C528S288000, C528S292000, C528S302000, C428S001100, C428S001260, C428S001610

Reexamination Certificate

active

07659360

ABSTRACT:
A polyimide resin is produced by the reaction of a compound selected from 1,2,4,5-cyclohexanetetracarboxylic acid, dianhydride thereof and reactive derivatives thereof and a compound selected from diamines and diisocyanates each containing at least one phenylene group and at least one isopropylidene group. The polyimide resin is colorless and exhibits a high heat resistance, a high transparency and a low water absorption.

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Supplementary European Search Report dated Aug. 18, 2008, for Application No. EP 05 81 6656.
Official Action issued May 8, 2009, for Application No. 200580043720.5 (English translation only).

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