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公开(公告)号:US2266386A
公开(公告)日:1941-12-16
申请号:US34458440
申请日:1940-07-09
Applicant: DORR CO INC
Inventor: SHAFOR RALPH W
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公开(公告)号:US2042478A
公开(公告)日:1936-06-02
申请号:US75858034
申请日:1934-12-21
Applicant: DORR CO INC
Inventor: MILLER ALVAH L , SHAFOR RALPH W , DARBY GEORGE M
IPC: D21C3/08
CPC classification number: D21C3/08
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3.Apparatus and method for conducting ionic exchange operations 失效
Title translation: 用于进行离子交换操作的装置和方法公开(公告)号:US2365221A
公开(公告)日:1944-12-19
申请号:US43289842
申请日:1942-02-28
Applicant: DORR CO INC
Inventor: SHAFOR RALPH W
CPC classification number: C13B20/14 , B01J47/022 , C02F1/42 , G05D9/12 , Y10T137/0396 , Y10T137/3127
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公开(公告)号:US2190612A
公开(公告)日:1940-02-13
申请号:US8277236
申请日:1936-06-01
Applicant: DORR CO INC
Inventor: SHAFOR RALPH W , KITE ROBERT P
IPC: D21C3/06
CPC classification number: D21C3/06
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公开(公告)号:US2049032A
公开(公告)日:1936-07-28
申请号:US62063832
申请日:1932-07-02
Applicant: DORR CO INC
Inventor: WEBER WILLIAM C , SHAFOR RALPH W , ROBERTS ELLIOTT J
IPC: C01B25/22
CPC classification number: C01B25/22
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