Method of purifying, concentrating, and converting petroleum sulfonates,申请号US19500167798-传众专利搜索

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发明名称	Method of purifying, concentrating, and converting petroleum sulfonates
摘要
申请公布号	US2689221(A)	申请公布日期	1954.09.14
申请号	US19500167798	申请日期	1950.06.13
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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