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...
Patent
1991-01-10
1993-11-23
Lipman, Bernard
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...
5253276, 5253299, 5253301, 5253304, 5253306, 525378, 525379, C08K 334
Patent
active
052644839
ABSTRACT:
Glutarimide polymers having an acid and anhydride content lower than the acid and/or anhydride content normally present in the glutarimide polymers. Blends of the reduced acid and anhydride glutarimide polymers with thermoplastic materials are disclosed. A process for altering the properties of imide polymers by reducing or substantially removing acid and anhydride levels normally present in the imide polymer is also disclosed.
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Bortnick Newman M.
Cohen Leslie A.
Freed William T.
Fromuth Harry C.
Hallden-Abberton Michael P.
Frickey Darryl P.
Lipman Bernard
Rohm and Haas Company
Strobaugh Terence P.
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