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公开(公告)号:US2332145A
公开(公告)日:1943-10-19
申请号:US44426942
申请日:1942-05-23
Applicant: HARSHAW CHEM CORP
Inventor: HAY JOHN O
IPC: C01G3/12
CPC classification number: C01G3/12
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公开(公告)号:US3222148A
公开(公告)日:1965-12-07
申请号:US26555363
申请日:1963-03-15
Applicant: HARSHAW CHEM CORP
Inventor: HAY JOHN O
CPC classification number: C09K3/14 , C01G25/02 , C01P2002/72 , C09K3/1463
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公开(公告)号:US2850401A
公开(公告)日:1958-09-02
申请号:US58043856
申请日:1956-04-25
Applicant: HARSHAW CHEM CORP
Inventor: HAY JOHN O
IPC: C09C1/38
CPC classification number: C09C1/38 , C01P2002/50 , C01P2006/60
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公开(公告)号:US2507008A
公开(公告)日:1950-05-09
申请号:US77557047
申请日:1947-09-22
Applicant: HARSHAW CHEM CORP
Inventor: HARSHAW WILLIAM J , HAY JOHN O
IPC: C01G3/02
CPC classification number: C01G3/02 , C01P2006/60 , C01P2006/80
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公开(公告)号:US2640755A
公开(公告)日:1953-06-02
申请号:US15855050
申请日:1950-04-27
Applicant: HARSHAW CHEM CORP
Inventor: HAY JOHN O
IPC: C01D3/16
CPC classification number: C01D3/16
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公开(公告)号:US2367153A
公开(公告)日:1945-01-09
申请号:US41931241
申请日:1941-11-15
Applicant: HARSHAW CHEM CORP
Inventor: SWINEHART CARL F , HAY JOHN O
IPC: C01G3/05
CPC classification number: C01G3/05
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公开(公告)号:US2362202A
公开(公告)日:1944-11-07
申请号:US50315343
申请日:1943-09-20
Applicant: HARSHAW CHEM CORP
Inventor: HAY JOHN O
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公开(公告)号:US2352096A
公开(公告)日:1944-06-20
申请号:US43591542
申请日:1942-03-23
Applicant: HARSHAW CHEM CORP
Inventor: HAY JOHN O
IPC: C22B3/44
CPC classification number: C22B3/44 , Y02P10/234
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