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公开(公告)号:US1823615A
公开(公告)日:1931-09-15
申请号:US27778928
申请日:1928-05-14
Applicant: STANDARD OIL CO
Inventor: LEMMON NORMAN E , GRIMM FRANK V
IPC: C10G17/06
CPC classification number: C10G17/06
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公开(公告)号:US1630074A
公开(公告)日:1927-05-24
申请号:US73199524
申请日:1924-08-14
Applicant: STANDARD OIL CO
Inventor: ROGERS FRANCIS M , GRIMM FRANK V , WENDT GERALD L
IPC: C01B17/92
CPC classification number: C01B17/92
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