Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1992-11-17
1993-11-23
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
5253295, 525377, 525378, 525380, 525383, C08F 812
Patent
active
052645282
ABSTRACT:
Copolymers of 4-hydroxystyrene are produced by hydrolyzing copolymers of 4-acetoxystyrene with hydroxylamine.
REFERENCES:
patent: 4678843 (1987-07-01), Elmore
patent: 4877843 (1989-10-01), Gupta
patent: 4912173 (1990-03-01), Keene
Sheehan Michael T.
Smith Brad L.
Cassady Donald R.
Ferrell Michael W.
Hoechst Celanese Corporation
Mullen James J.
Schofer Joseph L.
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