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经营范围
发明名称
Sulfonated asphalt
摘要
Sulfonated asphalt/hydrogenated conjugated diene-monovinyl aromatic copolymer compositions, preparations thereof, and use in well working fluid compositions.
申请公布号
US4514308(A)
申请公布日期
1985.04.30
申请号
US19830518703
申请日期
1983.07.29
申请人
CLAMPITT, RICHARD L.;RUSSELL, JEFFREY A.
发明人
CLAMPITT, RICHARD L.;RUSSELL, JEFFREY A.
分类号
C08L53/02;C09K8/035;E21B21/00;(IPC1-7):C08L25/10;C08L95/00
主分类号
C08L53/02
代理机构
代理人
主权项
地址
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