Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1981-07-24
1982-11-09
Lee, Lester L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528125, 528128, 528189, 528206, 528208, 528220, 528229, 528352, 528353, C08G 7310
Patent
active
043585795
ABSTRACT:
Novel polyimides and molding compositions are prepared from tetramethylcyclobutane-1,2,3,4-tetracarboxylic dianhydride and diamines. Also glass and graphite filled polyimides are prepared. The polyimides are useful as engineering plastics.
REFERENCES:
Nakanishi et al., Alephetic Poly (Amido Acids) and Polyimides (1973).
Fields Ellis K.
Nimry Tayseer S.
Blumberg Gunar J.
Lee Lester L.
Magidson William H.
McClain William T.
Standard Oil Company (Indiana)
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