专利名称：Well cementing method using a composition
having improved flow properties, containingsulfonated copolymers of styrene-maleicanhydride
发明人：Leonard J. Persinski,Fred David Martin,Sally
Lee Adams
申请号：US05/553391申请日：19750227公开号：US03952805A公开日：19760427
摘要：Aqueous hydraulic cement compositions containing sulfonated copolymers ofstyrene-maleic anhydride as flow-property-improving and turbulence- inducing additivesand their use in cementing wells is disclosed.
申请人：CALGON CORPORATION
代理人：Harry E. Westlake, Jr.,Raymond M. Speer
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