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公开(公告)号:US2813139A
公开(公告)日:1957-11-12
申请号:US51793155
申请日:1955-06-24
Applicant: PURE OIL CO
Inventor: HUTCHINGS LE ROI E
IPC: C07C7/17
CPC classification number: C07C7/17 , Y10S585/935
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公开(公告)号:US2802026A
公开(公告)日:1957-08-06
申请号:US47845054
申请日:1954-12-29
Applicant: PURE OIL CO
Inventor: HARVEY HENNIG , ALFORD WILLIS J , HUTCHINGS LE ROI E
IPC: C07C309/62
CPC classification number: C07C309/62
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公开(公告)号:US2793991A
公开(公告)日:1957-05-28
申请号:US52547655
申请日:1955-08-01
Applicant: PURE OIL CO
Inventor: HUTCHINGS LE ROI E
IPC: C01C3/00
CPC classification number: C01C3/003
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公开(公告)号:US2787531A
公开(公告)日:1957-04-02
申请号:US35689053
申请日:1953-05-22
Applicant: PURE OIL CO
Inventor: GRANT ANNABLE WELDON , HUTCHINGS LE ROI E , WALSH JOHN W
IPC: C10L1/18
CPC classification number: C10L1/18 , C10L1/1824 , C10L1/1837 , C10L1/1852
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公开(公告)号:US2994201A
公开(公告)日:1961-08-01
申请号:US65512257
申请日:1957-04-25
Applicant: PURE OIL CO
Inventor: HUTCHINGS LE ROI E
IPC: E02B3/06
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公开(公告)号:US2954396A
公开(公告)日:1960-09-27
申请号:US73582958
申请日:1958-05-16
Applicant: PURE OIL CO
Inventor: AYERS GEORGE W , KREWER WILLIAM A , MARTINEK THOMAS W , HUTCHINGS LE ROI E
IPC: C07C7/10
CPC classification number: C07C7/10 , Y10S585/931
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37.Substituted amides as selective solvents for aromatic hydrocarbons 失效
Title translation: 取代的酰胺作为芳烃的选择性溶剂公开(公告)号:US2936325A
公开(公告)日:1960-05-10
申请号:US70547257
申请日:1957-12-27
Applicant: PURE OIL CO
Inventor: REMES NATHANIEL L , MARTINEK THOMAS W , HUTCHINGS LE ROI E
IPC: C10G21/20
CPC classification number: C10G21/20
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38.Extraction process wherein the desired material is recovered by azeotropic distillation of the extract 失效
Title translation: 萃取方法,其中通过萃取物的共沸蒸馏回收所需的物质公开(公告)号:US2936283A
公开(公告)日:1960-05-10
申请号:US69541057
申请日:1957-11-08
Applicant: PURE OIL CO
Inventor: HUTCHINGS LE ROI E
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公开(公告)号:US2834803A
公开(公告)日:1958-05-13
申请号:US61295056
申请日:1956-10-01
Applicant: PURE OIL CO
Inventor: CROSBY GILFFORD W , HUTCHINGS LE ROI E
IPC: C07C309/62
CPC classification number: C07C309/62
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公开(公告)号:US2801699A
公开(公告)日:1957-08-06
申请号:US47759054
申请日:1954-12-24
Applicant: PURE OIL CO
Inventor: SAYRE JR ALLYN T , HUTCHINGS LE ROI E , HOLBROOK ORRIN C
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