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公开(公告)号：US1818623A
公开(公告)日：1931-08-11
申请号：US26980428
申请日：1928-04-13
Applicant: STANDARD OIL CO
Inventor： HOLCOMB ROGER L , BARTELS EDWARD E
IPC: B01D29/39
CPC classification number: B01D29/39
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公开(公告)号：US1830962A
公开(公告)日：1931-11-10
申请号：US26779328
申请日：1928-04-05
Applicant: STANDARD OIL CO
Inventor： READ CARLYLE D , HOLCOMB ROGER L
IPC: C10G31/09
CPC classification number: C10G31/09
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