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发明名称
Method of purifying, concentrating, and converting petroleum sulfonates with ethers
摘要
申请公布号
US2781316(A)
申请公布日期
1957.02.12
申请号
US19540442537
申请日期
1954.07.12
申请人
BRAY OIL COMPANY
发明人
BRAY ULRIC B.
分类号
C07C303/44;C07C309/62
主分类号
C07C303/44
代理机构
代理人
主权项
地址
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