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
1988-05-26
1990-10-09
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...
524563, 5253295, 525367, 525369, 525378, 526 73, C08F 812
Patent
active
049621475
ABSTRACT:
Poly(4-hydroxystyrene) is prepared by aqueous suspension polymerization of 4-acetoxystyrene monomer followed by hydrolysis with ammonium hydroxide.
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patent: 4125696 (1978-11-01), Kamath
patent: 4129703 (1978-12-01), Kamath et al.
patent: 4678843 (1987-07-01), Elmore et al.
Cassady Donald R.
Hoechst Celanese Corporation
Lipman Bernard
Price Herb P.
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