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公开(公告)号:US2126334A
公开(公告)日:1938-08-09
申请号:US14288537
申请日:1937-05-15
Applicant: SHELL DEV
Inventor: LEONARD LANGEDIJK SIEGFRIED , WILLIEM COLTOF
IPC: C11B3/06
CPC classification number: C11B3/06
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5.Process for the preparation of halogenated organic hydroxy compounds 失效
Title translation: 卤代有机羟基化合物的制备方法公开(公告)号:US2046469A
公开(公告)日:1936-07-07
申请号:US2386735
申请日:1935-05-28
Applicant: SHELL DEV
Inventor: LEONARD LANGEDIJK SIEGFRIED
IPC: C07D301/26
CPC classification number: C07D301/26
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7.Process and product relating to stabilization of cyclic sulphides 失效
Title translation: 与环硫化物稳定化有关的工艺和产品公开(公告)号:US2185660A
公开(公告)日:1940-01-02
申请号:US16973637
申请日:1937-10-18
Applicant: SHELL DEV
Inventor: WILLEM COLTOF , LEONARD LANGEDIJK SIEGFRIED
IPC: C07D331/02
CPC classification number: C07D331/02
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8.Process for the preparation of halogenated organic hydroxy compounds 失效
Title translation: 卤代有机羟基化合物的制备方法公开(公告)号:US2106353A
公开(公告)日:1938-01-25
申请号:US62390332
申请日:1932-07-21
Applicant: SHELL DEV
Inventor: LEONARD LANGEDIJK SIEGFRIED
IPC: C07C29/66
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公开(公告)号:US2085535A
公开(公告)日:1937-06-29
申请号:US5751036
申请日:1936-01-04
Applicant: SHELL DEV
CPC classification number: C07C2/20 , C07C2/22 , C07C2527/08 , C07C2527/126 , C07C2531/02
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