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公开(公告)号:DE3014950A1
公开(公告)日:1981-10-29
申请号:DE3014950
申请日:1980-04-18
Applicant: BASF AG
Inventor: ENGELBACH HEINZ DIPL CHEM DR , STEIGLEITER WERNER , GLIETENBERG HELMUT DIPL ING DR , HOFFMANN HERWIG DIPL CHEM DR , STROHMEYER MAX DIPL CHEM DR
IPC: C07C2/10 , B01J27/16 , B01J27/18 , B01J27/186 , B01J37/00 , C01B25/26 , C01B25/45 , C01B35/12 , C01B35/14 , C07B61/00 , C07C1/00 , C07C2/18 , C07C11/02 , C07C67/00
Abstract: Catalysts, for olefin oligomerization, whose active material has the empirical formula I APO4.[P2O5.(H2O)n]a . (XY)b I where A is boron, antimony, bismuth, aluminum and/or 3 equivalents of titanium, X is NH4(+) and/or an alkali metal cation and/or one equivalent of an alkaline earth metal cation, Y is one equivalent of an anion, a is 0.02-0.2, b is 0-0.05 and n is 1-3, and a process for the preparation of these catalysts.
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公开(公告)号:DE2642533A1
公开(公告)日:1978-03-23
申请号:DE2642533
申请日:1976-09-22
Applicant: BASF AG
Inventor: BROECKER FRANZ JOSEF DIPL CHEM , DUEMBGEN GERD DIPL CHEM DR , GLIETENBERG HELMUT DIPL ING DR , MIESEN ERNEST DIPL ING , SCHWARZMANN MATTHIAS DIPL CHEM
IPC: C07D307/33 , C07D315/00 , C07D307/58 , C07D307/60 , C07C55/10
Abstract: gamma -Butyrolactone is manufactured by hydrogenating maleic anhydride in the presence of butyrolactone as the solvent. The hydrogenated reaction mixture, which contains butyrolactone, succinic anhydride and succinic acid, is fractionated in a thin film evaporator.
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