Stable precursor of polyimide and a process for preparing the sa

Details Stable precursor of polyimide and a process for preparing the sa Stable precursor of polyimide and a process for preparing the sa

1997-12-30

1999-09-14

Hampton-Hightower, P.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528126, 528128, 528171, 528172, 528173, 528174, 528179, 528183, 528185, 528220, 528229, 528350, 528351, 528353, 525432, C08G 7310, C08G 6926

Patent

active

059524480

ABSTRACT:
This invention relates to a poly (imide amic ester) random copolymer, a precursor thereof, and a process for preparing the same. Specifically this invention relates to a novel precursor of polyimide, poly(imide amic ester) which is chemically stable and has excellent workability in either liquid or solid state, a polyimide obtained therefrom and a process for preparing the same.

REFERENCES:
patent: 5202412 (1993-04-01), Auman et al.
patent: 5304626 (1994-04-01), Burgess et al.
patent: 5357032 (1994-10-01), Rhee et al.
patent: 5393864 (1995-02-01), Summers
patent: 5484879 (1996-01-01), Buchanan et al.
patent: 5686559 (1997-11-01), Rhee et al.

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