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1.Recovery of glutamic compounds from glutamine contained in an impure solution thereof 失效
Title translation: 从其不纯溶液中回收谷氨酰胺的谷氨酰胺化合物公开(公告)号:US2528047A
公开(公告)日:1950-10-31
申请号:US79067847
申请日:1947-12-09
Applicant: DORR CO
Inventor: FITCH ELLIOTT B
CPC classification number: C07D207/28
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2.Method and apparatus for continuously conducting ion exchange operations 失效
Title translation: 连续进行离子交换操作的方法和装置公开(公告)号:US2572848A
公开(公告)日:1951-10-30
申请号:US13697650
申请日:1950-01-05
Applicant: DORR CO
Inventor: FITCH ELLIOTT B
IPC: B01J47/10
CPC classification number: B01J47/10
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3.
公开(公告)号:US2528099A
公开(公告)日:1950-10-31
申请号:US9844849
申请日:1949-06-11
Applicant: DORR CO
Inventor: WILCOX ARNOLD L , ROBERTS ELLIOTT J , FITCH ELLIOTT B
IPC: B01J47/10
CPC classification number: B01J47/10
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4.Recovery of glutamic material in the ionic purification treatment of sugar-bearing solutions 失效
Title translation: 在含糖溶液的离子净化处理中回收谷物材料公开(公告)号:US2510980A
公开(公告)日:1950-06-13
申请号:US7615449
申请日:1949-02-12
Applicant: DORR CO
Inventor: JACOBS RAY T , FITCH ELLIOTT B
CPC classification number: C13B20/14
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