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公开(公告)号：US1836170A
公开(公告)日：1931-12-15
申请号：US11786626
申请日：1926-06-22
Applicant: GRAY PROCESSES CORP
Inventor： JOHANSEN ERNST M
CPC classification number: C07C319/04 , C10G17/06 , C10G29/28 , C07C321/04
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公开(公告)号：US1836171A
公开(公告)日：1931-12-15
申请号：US38569929
申请日：1929-08-13
Applicant: GRAY PROCESSES CORP
Inventor： JOHANSEN ERNST M
CPC classification number: C10G25/05 , C10G25/003
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