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公开(公告)号：US1418448A
公开(公告)日：1922-06-06
申请号：US51707221
申请日：1921-11-22
Applicant: MATTHEW ATKINSON ADAM
Inventor： ALLISTON LEGG DAVID
IPC: C07C45/00
CPC classification number: C07C45/002 , C07C47/02
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公开(公告)号：US1401117A
公开(公告)日：1921-12-20
申请号：US51009721
申请日：1921-10-24
Applicant: MATTHEW ATKINSON ADAM
Inventor： ALLISTON LEGG DAVID
IPC: B01J23/72
CPC classification number: B01J23/72
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