Injection moldable polymers containing phthalic anhydride

Details Injection moldable polymers containing phthalic anhydride Injection moldable polymers containing phthalic anhydride

1982-08-06

1984-05-15

Griffin, Ronald W.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524606, 524726, 528188, 528189, C08G 6904, C08G 6926, C08G 7314, C08L 7710

Patent

active

044489250

ABSTRACT:
Novel copolymers and molding compositions are prepared from acyl halide derivatives of dicarboxylic acids, acyl halide derivatives of tricarboxylic aromatic anhydrides and aromatic diamines and about 1 to about 10 percent by weight of phthalic anhydride moieties. Also, glass filled copolymers are prepared. The copolymers are useful as engineering plastics.

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patent: 3444183 (1969-05-01), Hubbuch
patent: 3494890 (1970-02-01), Morello
patent: 3573260 (1971-03-01), Morello
patent: 3661832 (1972-05-01), Stephens
patent: 4016140 (1977-04-01), Morello
patent: 4118364 (1978-10-01), Nielinger et al.
patent: 4136085 (1979-01-01), Hanson
patent: 4224214 (1980-09-01), Chen
patent: 4309528 (1982-01-01), Keske et al.
patent: 4313868 (1982-02-01), Hanson

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