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公开(公告)号:US2227520A
公开(公告)日:1941-01-07
申请号:US20181238
申请日:1938-04-13
Applicant: PERMUTIT CO
Inventor: TIGER HOWARD L
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公开(公告)号:US2061722A
公开(公告)日:1936-11-24
申请号:US4146235
申请日:1935-09-20
Applicant: PERMUTIT CO
Inventor: TIGER HOWARD L
IPC: G01N9/12
CPC classification number: G01N9/12
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公开(公告)号:US2293954A
公开(公告)日:1942-08-25
申请号:US21506438
申请日:1938-06-21
Applicant: PERMUTIT CO
Inventor: TIGER HOWARD L , DEAN JOHN G
IPC: C07D401/04
CPC classification number: C07D401/04
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公开(公告)号:US1483493A
公开(公告)日:1924-02-12
申请号:US64298023
申请日:1923-06-02
Applicant: PERMUTIT CO
Inventor: TIGER HOWARD L
IPC: G01N9/12
CPC classification number: G01N9/12
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5.Removal of silica and other impurities from water by precipitation 失效
Title translation: 通过沉淀从水中去除二氧化硅和其他杂质公开(公告)号:US2428418A
公开(公告)日:1947-10-07
申请号:US34372240
申请日:1940-07-03
Applicant: PERMUTIT CO
Inventor: GOETZ PAUL C , TIGER HOWARD L
CPC classification number: C02F1/281 , C02F1/5254 , C02F5/02 , C02F2101/10 , C02F2101/14 , Y10S210/915
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公开(公告)号:US2071990A
公开(公告)日:1937-02-23
申请号:US75930934
申请日:1934-12-26
Applicant: PERMUTIT CO
Inventor: TIGER HOWARD L
IPC: B01F3/04
CPC classification number: B01F3/04815
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公开(公告)号:US2494784A
公开(公告)日:1950-01-17
申请号:US56856344
申请日:1944-12-16
Applicant: PERMUTIT CO
Inventor: TIGER HOWARD L
IPC: C01B33/46
CPC classification number: C01B33/46
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8.Method of and apparatus for treating aqueous solution of electrolytes 失效
Title translation: 用于处理电解质水溶液的方法和设备公开(公告)号:US2422054A
公开(公告)日:1947-06-10
申请号:US46834842
申请日:1942-12-09
Applicant: PERMUTIT CO
Inventor: TIGER HOWARD L
CPC classification number: C13B20/14 , B01J39/00 , B01J49/08 , C02F1/5281 , B01J41/00
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9.Method for recovering copper value from dilute solutions of copper salts 失效
Title translation: 从铜盐稀溶液中回收铜值的方法公开(公告)号:US2397575A
公开(公告)日:1946-04-02
申请号:US22394038
申请日:1938-08-09
Applicant: PERMUTIT CO
Inventor: TIGER HOWARD L , GOETZ PAUL C
IPC: B01J49/00
CPC classification number: B01J49/06
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公开(公告)号:US2069564A
公开(公告)日:1937-02-02
申请号:US3410835
申请日:1935-07-31
Applicant: PERMUTIT CO
Inventor: TIGER HOWARD L , GOETZ PAUL C
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