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1.METHOD FOR THE PURIFICATION OF PHARMACEUTICAL GRADE HFC-134A AND POLYMER GRADE HCFC-22 审中-公开
Title translation: 净化医药级HFC-134A和聚合物级HCFC-22的方法公开(公告)号:WO2005063660A3
公开(公告)日:2005-11-17
申请号:PCT/US2004043195
申请日:2004-12-21
Applicant: HONEYWELL INT INC , COTTRELL STEPHEN A , WILSON ROBERT E
Inventor: COTTRELL STEPHEN A , WILSON ROBERT E
IPC: C07C17/38 , C07C17/383 , C07C17/389 , C07C19/12
CPC classification number: C07C17/383 , B01D3/34 , C07C17/38 , C07C17/389 , C07C19/08 , C07C19/10
Abstract: A method for the purification of pharmaceutical grade 1, 1, 1,2-tetrafluoroethane (HFC-134a) and polymer grade chlorodifluoromethane (HCFC-22) by contacting a mixture comprising 1, 1, 1,2-tetrafluoroethane or chlorodifluoromethane and methyl chloride with a zeolite such as a molecular sieve, and recovering from said contacted mixture substantially purified 1, 1, 1,2-tetrafluoroethane or chlorodifluoromethane.
Abstract translation: 通过使包含1,1,1,2-四氟乙烷或氯二氟甲烷和氯甲烷的混合物接触来纯化药物级别1,1,1-四氟乙烷(HFC-134a)和聚合物级氯二氟甲烷(HCFC-22)的方法 与沸石如分子筛反应,并从所述接触的混合物中回收基本上纯化的1,1,1-四氟乙烷或氯二氟甲烷。
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公开(公告)号:US3245101A
公开(公告)日:1966-04-12
申请号:US31619263
申请日:1963-10-14
Applicant: WILSON ROBERT E
Inventor: WILSON ROBERT E
IPC: B63B27/14
CPC classification number: B63B27/14
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公开(公告)号:US630156A
公开(公告)日:1899-08-01
申请号:US1899701112
申请日:1899-01-04
Applicant: WILSON ROBERT E
Inventor: WILSON ROBERT E
CPC classification number: E01B3/16
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4.
公开(公告)号:US2325823A
公开(公告)日:1943-08-03
申请号:US46917642
申请日:1942-12-16
Applicant: WILSON ROBERT E
Inventor: WILSON ROBERT E
IPC: G03D13/14
CPC classification number: G03D13/145
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公开(公告)号:US1433732A
公开(公告)日:1922-10-31
申请号:US42317420
申请日:1920-11-10
Applicant: LEWIS WARREN K , WILSON ROBERT E
Inventor: LEWIS WARREN K , WILSON ROBERT E
IPC: F41H9/06
CPC classification number: F41H9/06
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公开(公告)号:US1335949A
公开(公告)日:1920-04-06
申请号:US25653818
申请日:1918-10-02
Applicant: WILSON ROBERT E , MCNEIL CLAUDE P
Inventor: WILSON ROBERT E , MCNEIL CLAUDE P
IPC: B01D53/34
CPC classification number: B01D53/34
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公开(公告)号:US3351012A
公开(公告)日:1967-11-07
申请号:US56296766
申请日:1966-06-30
Applicant: WILSON ROBERT E
Inventor: WILSON ROBERT E
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公开(公告)号:US2400183A
公开(公告)日:1946-05-14
申请号:US50676843
申请日:1943-10-18
Applicant: WILSON ROBERT E
Inventor: WILSON ROBERT E
IPC: B23B31/20
CPC classification number: B23B31/201 , Y10T279/17521 , Y10T279/17555
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公开(公告)号:US1360700A
公开(公告)日:1920-11-30
申请号:US26466318
申请日:1918-11-29
Applicant: WILSON ROBERT E , HORSCH WILLIAM G
Inventor: WILSON ROBERT E , HORSCH WILLIAM G
IPC: C01G45/12
CPC classification number: C01G45/1207 , C01G45/1214 , C25B1/28
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公开(公告)号:US2832536A
公开(公告)日:1958-04-29
申请号:US53760855
申请日:1955-09-29
Applicant: WOODS WILLIAM E , WILSON ROBERT E , SWEER JOHN H
Inventor: WOODS WILLIAM E , WILSON ROBERT E , SWEER JOHN H
IPC: G06J1/00
CPC classification number: G06J1/00
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