-
公开(公告)号:DE2249922A1
公开(公告)日:1974-04-25
申请号:DE2249922
申请日:1972-10-12
Applicant: BASF AG
Inventor: KRABETZ RICHARD DR , ENGELBACH HEINZ DR , LEBERT ULRICH DR , FREY WALTER DR , DUEMBGEN GERD DR , THIESSEN FRITZ DR , WILLERSINN CARL-HEINZ DR
IPC: C07C47/22 , B01J21/00 , B01J23/00 , B01J23/28 , B01J23/31 , B01J23/88 , B01J23/887 , B01J23/888 , C07B61/00 , C07C45/00 , C07C45/34 , C07C45/35 , C07C51/25 , C07C67/00 , C07C255/08 , C07C27/14 , C07C57/04 , C07C121/30
-
公开(公告)号:DE2241714A1
公开(公告)日:1974-03-28
申请号:DE2241714
申请日:1972-08-24
Applicant: BASF AG
-
公开(公告)号:DE2136396A1
公开(公告)日:1973-02-08
申请号:DE2136396
申请日:1971-07-21
Applicant: BASF AG
Inventor: DUEMBGEN GERD DR , ENGELBACH HEINZ DR , FREY WALTER DR , KRABETZ RICHARD DR , LEBERT ULRICH DR , SPITZL HERMANN DIPL ING , THIESSEN FRITZ DR , WILLERSINN CARL-HEINZ DR
Abstract: Acrylic acid practically devoid of water, acrolein, formaldehyde and acetic acid is obtained at particularly low cost by countercurrent scrubbing and quenching of the reaction gas formed in the catalytic oxidation of propylene and/or acrolein with a high-boiling, extremely hydrophobic solvent followed by processing of the extract.
-
公开(公告)号:DE1643722A1
公开(公告)日:1971-06-24
申请号:DE1643722
申请日:1967-12-22
Applicant: BASF AG
Inventor: PALM CHRISTOF DR , PLATZ ROLF DR , FREY WALTER DR , MAGNUSSEN PETER DR , ROTERMUND GERHARD DR , DECKER MARTIN DR
IPC: C01B32/50
-
-
-