Patent search ap:("STANDARD OIL CO") AND inv:"ROBERT A DUBBERT" Page 1

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发明专利
IMPROVED CATALYSTS FOR THE HYDROGENATION OF MALEIC ACID TO 1,4-BUTANEDIOL 未知

公开(公告)号：SG84543A1

公开(公告)日：2001-11-20

申请号：SG1999004399

申请日：1999-09-08

Applicant: STANDARD OIL CO

Inventor： JOHN R BUDGE , THOMAS G ATTIG , ROBERT A DUBBERT , BUDGE JOHN R , DUBBERT ROBERT A

IPC: B01J23/68 , B01J37/16 , C07C29/14 , C07C31/20

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