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公开(公告)号:US2543223A
公开(公告)日:1951-02-27
申请号:US5918948
申请日:1948-11-09
Applicant: PETROLITE CORP
Inventor: BLAIR JR CHARLES M
IPC: C10G33/04
CPC classification number: C10G33/04
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公开(公告)号:US2505374A
公开(公告)日:1950-04-25
申请号:US59587445
申请日:1945-05-25
Applicant: PETROLITE CORP
Inventor: FRANK WIRTEL ARTHUR , BLAIR JR CHARLES M
CPC classification number: C07D499/00
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公开(公告)号:US2466517A
公开(公告)日:1949-04-05
申请号:US165748
申请日:1948-01-10
Applicant: PETROLITE CORP
Inventor: BLAIR JR CHARLES M , GROSS WILLIAM F
CPC classification number: C23F11/149 , C10M1/08 , C10M2215/04 , C10M2215/224 , C10M2215/26 , C10M2217/046 , C10M2217/06 , C10M2219/044 , C10N2230/12 , Y10S507/939
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公开(公告)号:US2446040A
公开(公告)日:1948-07-27
申请号:US71306146
申请日:1946-11-29
Applicant: PETROLITE CORP
Inventor: BLAIR JR CHARLES M
IPC: C10G33/04
CPC classification number: C10G33/04
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45.Process for increasing productivity of subterranean oil-bearing strata 失效
Title translation: 提高地下含油层生产力的方法公开(公告)号:US2356205A
公开(公告)日:1944-08-22
申请号:US46288442
申请日:1942-10-21
Applicant: PETROLITE CORP
Inventor: BLAIR JR CHARLES M , LEHMANN JR SEARS
IPC: C09K8/524
CPC classification number: C09K8/524 , Y10S507/931 , Y10S507/938
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46.Process for increasing production of petroleum oil from siliceous strata and the treating agent therefor 失效
Title translation: 从硅质层中增加石油的生产工艺及其处理剂公开(公告)号:US2331594A
公开(公告)日:1943-10-12
申请号:US42798242
申请日:1942-01-23
Applicant: PETROLITE CORP
Inventor: BLAIR JR CHARLES M
IPC: C09K8/60
CPC classification number: C09K8/602 , Y10S507/936
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公开(公告)号:US2281347A
公开(公告)日:1942-04-28
申请号:US38363741
申请日:1941-03-15
Applicant: PETROLITE CORP
Inventor: BLAIR JR CHARLES M
IPC: C10G29/06
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公开(公告)号:US2262743A
公开(公告)日:1941-11-11
申请号:US39312841
申请日:1941-05-12
Applicant: PETROLITE CORP
Inventor: DE GROOTE MELVIN , BERNHARD KEISER , BLAIR JR CHARLES M
IPC: C10G33/04
CPC classification number: C10G33/04
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公开(公告)号:US2231756A
公开(公告)日:1941-02-11
申请号:US28438039
申请日:1939-07-13
Applicant: PETROLITE CORP
Inventor: DE GROOTE MELVIN , BERNHARD KEISER , BLAIR JR CHARLES M
IPC: C10G33/00
CPC classification number: C10G33/00
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公开(公告)号:US2231754A
公开(公告)日:1941-02-11
申请号:US28437839
申请日:1939-07-13
Applicant: PETROLITE CORP
Inventor: DE GROOTE MELVIN , BERNHARD KEISER , BLAIR JR CHARLES M
IPC: C10G33/00
CPC classification number: C10G33/00
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