Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1986-09-29
1988-09-06
Kight, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528125, 528126, 528128, 528172, 528185, 528353, C08G 802
Patent
active
047694394
ABSTRACT:
Substantially transparent and flexible polyimide films are provided having reduced T.sub.g 's which result from the intercondensation of bisaminoformals and aromatic bis(anhydrides).
REFERENCES:
patent: 4526838 (1985-07-01), Fujioka et al.
patent: 4550156 (1985-10-01), Gallagher
Carpenter John C.
Talley John J.
Davis Jr. James C.
General Electric Company
Kight John
Magee Jr. James
Moore M. L.
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