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1.Process for the removal of hydrogen sulphide from gas mixtures and for the recovery of elemental sulphur 失效
Title translation: 从气体混合物中除去硫化氢和回收元素硫的方法公开(公告)号:US1904424A
公开(公告)日:1933-04-18
申请号:US42228730
申请日:1930-01-21
Applicant: STANDARD OIL DEV CO
Inventor: EDMONDS WILLIAM J , DAWSON OLIVER H
IPC: C01B17/02
CPC classification number: C01B17/0232
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公开(公告)号:US1843578A
公开(公告)日:1932-02-02
申请号:US24608528
申请日:1928-01-11
Applicant: STANDARD OIL DEV CO
Inventor: MEIER HERBERT H , DAWSON OLIVER H
IPC: C01G21/00
CPC classification number: C01G21/00
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公开(公告)号:US2443229A
公开(公告)日:1948-06-15
申请号:US60483245
申请日:1945-07-13
Applicant: STANDARD OIL DEV CO
Inventor: DAWSON OLIVER H , CORNEIL HAMPTON G
IPC: C07C7/10
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4.Sulphonic acids from so extract of light mineral oil distillates 失效
Title translation: 来自轻质矿物油馏出物的提取物的磺酸公开(公告)号:US2115843A
公开(公告)日:1938-05-03
申请号:US74904634
申请日:1934-10-19
Applicant: STANDARD OIL DEV CO
Inventor: DAWSON OLIVER H
IPC: C07C309/62
CPC classification number: C07C309/62
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公开(公告)号:US2389598A
公开(公告)日:1945-11-27
申请号:US47707643
申请日:1943-02-25
Applicant: STANDARD OIL DEV CO
Inventor: DAWSON OLIVER H
IPC: C07C1/20
CPC classification number: C07C1/20 , C07C2521/16 , C07C9/12 , C07C9/00
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公开(公告)号:US2366497A
公开(公告)日:1945-01-02
申请号:US47516343
申请日:1943-02-08
Applicant: STANDARD OIL DEV CO
Inventor: DAWSON OLIVER H
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7.
公开(公告)号:US2150363A
公开(公告)日:1939-03-14
申请号:US75556934
申请日:1934-12-01
Applicant: STANDARD OIL DEV CO
Inventor: DAWSON OLIVER H
IPC: C10M171/00
CPC classification number: C10M171/007
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