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1.发明授权Process for recovering the oil-soluble sulphonic compounds formed in the acid refining of mineral oils 失效用于回收在矿物油酸精炼中形成的油溶性磺酸化合物的方法
公开(公告)号：US1901383A
公开(公告)日：1933-03-14
申请号：US52532731
申请日：1931-03-25
Applicant: SHELL DEV
Inventor： GEORGE VOOGT
IPC: C07C303/42
CPC classification number: C07C303/42 , Y10S516/03
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公开(公告)号：US2228040A
公开(公告)日：1941-01-07
申请号：US17675537
申请日：1937-11-26
Applicant: SHELL DEV
Inventor： GEORGE VOOGT , HANS SEELES
IPC: C11B7/00
CPC classification number: C11B7/0041
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