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公开(公告)号:US1928399A
公开(公告)日:1933-09-26
申请号:US57098631
申请日:1931-10-24
Applicant: CHARLES H LEWIS
Inventor: URBAIN OLIVER M
IPC: C02F1/52
CPC classification number: C02F1/5272
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32.Process for removing all forms of polluting substances from liquids 失效
Title translation: 从液体中清除所有形式的污染物质的方法公开(公告)号:US1928398A
公开(公告)日:1933-09-26
申请号:US46270830
申请日:1930-06-20
Applicant: CHARLES H LEWIS
Inventor: URBAIN OLIVER M
CPC classification number: C02F1/5236 , C02F1/283
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33.Process for flocculating positively charged emulsoids from a disperse medium 失效
Title translation: 从分散介质中絮凝带正电荷的乳香的方法公开(公告)号:US1915040A
公开(公告)日:1933-06-20
申请号:US61595032
申请日:1932-06-07
Applicant: CHARLES H LEWIS
Inventor: URBAIN OLIVER M
IPC: C02F1/54
CPC classification number: C02F1/54
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公开(公告)号:US1892972A
公开(公告)日:1933-01-03
申请号:US56852331
申请日:1931-10-12
Applicant: CHARLES H LEWIS
Inventor: URBAIN OLIVER M
IPC: C02F1/52
CPC classification number: C02F1/5272
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公开(公告)号:US2246646A
公开(公告)日:1941-06-24
申请号:US25810139
申请日:1939-02-23
Applicant: CHARLES H LEWIS
Inventor: URBAIN OLIVER M , STEMEN WILLIAM R
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公开(公告)号:US2246645A
公开(公告)日:1941-06-24
申请号:US25810039
申请日:1939-02-23
Applicant: CHARLES H LEWIS
Inventor: URBAIN OLIVER M , STEMEN WILLIAM R
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公开(公告)号:US2232294A
公开(公告)日:1941-02-18
申请号:US21821938
申请日:1938-07-08
Applicant: CHARLES H LEWIS
Inventor: URBAIN OLIVER M , STEMEN WILLIAM R
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公开(公告)号:US2210966A
公开(公告)日:1940-08-13
申请号:US15194937
申请日:1937-07-03
Applicant: CHARLES H LEWIS
Inventor: URBAIN OLIVER M , STEMEN WILLIAM R
IPC: C02F1/00
CPC classification number: C02F1/281 , C02F2101/14 , C02F2103/02 , Y10S210/915
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39.
公开(公告)号:US2171203A
公开(公告)日:1939-08-29
申请号:US12749137
申请日:1937-02-24
Applicant: CHARLES H LEWIS
Inventor: URBAIN OLIVER M , STEMEN WILLIAM R
IPC: C02F1/52
CPC classification number: C02F1/5236 , Y10S210/911
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公开(公告)号:US2171202A
公开(公告)日:1939-08-29
申请号:US12567037
申请日:1937-02-13
Applicant: CHARLES H LEWIS
Inventor: URBAIN OLIVER M , STEMEN WILLIAM R
IPC: C11B13/02
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