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公开(公告)号:US1479982A
公开(公告)日:1924-01-08
申请号:US26622518
申请日:1918-12-11
Applicant: DOW CHEMICAL CO
Inventor: COLLINGS WILLIAM R , GANN JOHN A
IPC: C01F5/34
CPC classification number: C01F5/34
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公开(公告)号:US2178582A
公开(公告)日:1939-11-07
申请号:US28877239
申请日:1939-08-07
Applicant: DOW CHEMICAL CO
Inventor: GANN JOHN A
IPC: C22C23/00
CPC classification number: C22C23/00
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公开(公告)号:US2178576A
公开(公告)日:1939-11-07
申请号:US26203039
申请日:1939-03-15
Applicant: DOW CHEMICAL CO
Inventor: GANN JOHN A
IPC: C22C23/00
CPC classification number: C22C23/00
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公开(公告)号:US2178575A
公开(公告)日:1939-11-07
申请号:US26202939
申请日:1939-03-15
Applicant: DOW CHEMICAL CO
Inventor: GANN JOHN A
IPC: C22C23/00
CPC classification number: C22C23/00
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公开(公告)号:US2124563A
公开(公告)日:1938-07-26
申请号:US20200838
申请日:1938-04-14
Applicant: DOW CHEMICAL CO
Inventor: GANN JOHN A
IPC: C22C23/02
CPC classification number: C22C23/02
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公开(公告)号:US2124560A
公开(公告)日:1938-07-26
申请号:US18846138
申请日:1938-02-03
Applicant: DOW CHEMICAL CO
Inventor: GANN JOHN A
IPC: C22C23/00
CPC classification number: C22C23/00
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公开(公告)号:US1992205A
公开(公告)日:1935-02-26
申请号:US58278631
申请日:1931-12-23
Applicant: DOW CHEMICAL CO
Inventor: GANN JOHN A , GROSS WILLIAM H
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公开(公告)号:US1886252A
公开(公告)日:1932-11-01
申请号:US55414831
申请日:1931-07-30
Applicant: DOW CHEMICAL CO
Inventor: GANN JOHN A , BROOKS MANLEY E
IPC: B22C1/06
CPC classification number: B22C1/06
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19.Method of treating shavings and scrap of light metal and alloys thereof 失效
Title translation: 处理轻金属屑和废料的方法及其合金公开(公告)号:US1739717A
公开(公告)日:1929-12-17
申请号:US14719526
申请日:1926-11-08
Applicant: DOW CHEMICAL CO
Inventor: GANN JOHN A
CPC classification number: C22B9/10 , C22B7/001 , C22B26/22 , Y02P10/214
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公开(公告)号:US1712990A
公开(公告)日:1929-05-14
申请号:US17940227
申请日:1927-03-29
Applicant: DOW CHEMICAL CO
Inventor: GANN JOHN A
IPC: C22F1/06
CPC classification number: C22F1/06
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