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1.Process for producing and recovering halogenated organic compounds 失效
Title translation: 卤代有机化合物的生产和回收方法公开(公告)号:US2321472A
公开(公告)日:1943-06-08
申请号:US27637639
申请日:1939-05-29
Applicant: SHELL DEV
Inventor: WILLIAM ENGS , WIK SIMON N
IPC: C07C17/10
CPC classification number: C07C17/10 , C07C21/067
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公开(公告)号:US2143478A
公开(公告)日:1939-01-10
申请号:US9302036
申请日:1936-07-28
Applicant: SHELL DEV
Inventor: WILLIAM ENGS , FAIRBAIRN ALASDAIR W
CPC classification number: C07C29/04 , C07C29/06 , C07C31/125 , C07C29/80
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3.Process for concentrating diolefins utilizing methyl amines as azeotrope formers 失效
Title translation: 使用甲基胺作为共沸混合物浓缩二烯烃的方法公开(公告)号:US2414639A
公开(公告)日:1947-01-21
申请号:US31393640
申请日:1940-01-15
Applicant: SHELL DEV
Inventor: WILLIAM ENGS , WIK SIMON N , ROBERTS ROBERT M
IPC: C07C7/06
CPC classification number: C07C7/06 , C07C11/18 , C07C11/12 , C07C11/08 , C07C11/167
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4.Method of dehydrating cellulose derivatives and products therefrom 失效
Title translation: 纤维素衍生物及其制品脱水的方法公开(公告)号:US2043946A
公开(公告)日:1936-06-09
申请号:US72462034
申请日:1934-05-08
Applicant: SHELL DEV
Inventor: BENT FRANKLIN A , WILLIAM ENGS
IPC: D01F11/02
CPC classification number: D01F11/02
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公开(公告)号:US2019762A
公开(公告)日:1935-11-05
申请号:US65766933
申请日:1933-02-20
Applicant: SHELL DEV
Inventor: MORAVEC RICHARD Z , WILLIAM ENGS
IPC: C07C29/06
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公开(公告)号:US2341140A
公开(公告)日:1944-02-08
申请号:US36757040
申请日:1940-11-28
Applicant: SHELL DEV
Inventor: WILLIAM ENGS
IPC: C07C17/42
CPC classification number: C07C17/42 , C07C21/04 , C07C21/067
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公开(公告)号:US2281096A
公开(公告)日:1942-04-28
申请号:US30533439
申请日:1939-11-20
Applicant: SHELL DEV
Inventor: WILLIAM ENGS , GROLL HERBERT P A , FAIRBAIRN ALASDAIR W
IPC: C07C17/00
CPC classification number: C07C17/357 , C07C21/21
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8.
公开(公告)号:US2100437A
公开(公告)日:1937-11-30
申请号:US10539436
申请日:1936-10-13
Applicant: SHELL DEV
Inventor: WILLIAM ENGS , DE GRIENDT GERALD HENRY VAN
IPC: C07C29/06
CPC classification number: C07C29/06 , C07C31/12 , C07C31/125
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公开(公告)号:US2083877A
公开(公告)日:1937-06-15
申请号:US4113635
申请日:1935-09-18
Applicant: SHELL DEV
Inventor: STECK LEO V , WILLIAM ENGS , DE SIMO MARTIN
IPC: C07C45/00
CPC classification number: C07C45/002
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公开(公告)号:US2282712A
公开(公告)日:1942-05-12
申请号:US33261040
申请日:1940-04-30
Applicant: SHELL DEV
Inventor: WILLIAM ENGS , DE JONG HENRY W
CPC classification number: C01B7/01
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