Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1994-08-31
1995-12-26
Hampton-Hightower, P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528125, 528128, 528170, 528172, 528173, 528176, 528183, 528185, 528188, 528220, 528229, 528350, 524600, 524606, 4284111, 4284735, C08G 7310, C08G 6926
Patent
active
054789133
ABSTRACT:
Copolyimides from 1,4-bis(4-aminophenoxy)-2-phenylbenzene and m- or p-phenylene diamine with biphenyl dianhydride exhibit a high Tg and reduced melt viscosity.
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patent: 4725642 (1988-02-01), Gannett et al.
patent: 4913759 (1990-04-01), Wright
patent: 4960824 (1990-10-01), Olson et al.
patent: 5059273 (1991-10-01), Boyce et al.
patent: 5177180 (1993-01-01), Griffin et al.
Auman Brian C.
Boyce Richard J.
Gannett Thomas P.
Sonnett James M.
Tanikella Murty S.
E. I. Du Pont de Nemours and Company
Hampton-Hightower P.
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