公开(公告)号：CA1185261A

公开(公告)日：1985-04-09

申请号：CA395795

申请日：1982-02-08

Applicant: BASF AG

Inventor： HARTMANN HORST ,  HOCHSTEIN WALDHELM ,  KAIBEL GERD ,  MUELLER FRANZ-JOSEF

IPC: C07C69/14 ,  C07C27/00 ,  C07C27/26 ,  C07C27/34 ,  C07C45/00 ,  C07C45/49 ,  C07C45/80 ,  C07C47/06 ,  C07C47/09 ,  C07C51/00 ,  C07C51/12 ,  C07C51/48 ,  C07C51/56 ,  C07C51/573 ,  C07C53/08 ,  C07C53/12 ,  C07C67/00 ,  C07C67/58

Abstract: of the disclosure: Organic iodine compounds are separated from carbonylation products of methanol, methyl acetate and dimethyl ether and from mixtures of such carbonylation products by a process wherein the iodine compounds are removed by liquid phase extraction with a nonaromatic hydrocarbon.

公开(公告)号：CA1221798A

公开(公告)日：1987-05-12

申请号：CA464762

申请日：1984-10-04

Applicant: BASF AG

Inventor： BRONSTERT KLAUS ,  HOCHSTEIN WALDHELM ,  VOGEL HANS-HENNING ,  RATH HANS P

IPC: C08F6/00 ,  C08F4/12 ,  C08F4/14 ,  C08F6/06 ,  C08F8/00 ,  C08F10/00 ,  C08F10/10 ,  C08F210/10

Abstract: The processing properties of isobutene polymers are improved by a method in which these polymers are brought into contact, for an effective period, - with aluminum oxide and/or a completely or partially hydrated aluminum oxide at 50 - 280.degree.C, and/or - with boron oxide and/or a completely or partially hydrated boron oxide and/or with titanium dioxide and/ or a partially hydrated titanium dioxide and/or with a completely or partially hydrated silicon dioxide at 0 280.degree.C.

公开(公告)号：CA1166594A

公开(公告)日：1984-05-01

申请号：CA389223

申请日：1981-11-02

Applicant: BASF AG

Inventor： HARTMANN HORST ,  HOCHSTEIN WALDHELM ,  KAIBEL GERD ,  MUELLER FRANZ-JOSEF

IPC: C07C27/00 ,  C07C27/30 ,  C07C51/46 ,  C07C51/573 ,  C07C53/08 ,  C07C53/12 ,  C07C67/00 ,  C07C67/54 ,  C07C69/14 ,  C07C69/15 ,  C07C69/16 ,  B01D3/36

Abstract: O.Z. 0050/034782 of the disclosure: A process for separating off organic iodine compounds from acetaldehyde-free carbonylation products of methanol, methyl acetate and dimethyl ether by removing the iodine compounds by azeotropic distillation with a hydrocarbon having a boiling point, under atmospheric pressure, of 25-55.degree.C.

公开(公告)号：CA1219882A

公开(公告)日：1987-03-31

申请号：CA457291

申请日：1984-06-22

Applicant: BASF AG

Inventor： LINDNER ALFRED ,  WAGNER ULRICH ,  VOLKAMER KLAUS ,  HOELDERICH WOLFGANG ,  HOCHSTEIN WALDHELM ,  IMMEL WOLFGANG

IPC: B01J27/00 ,  B01J27/28 ,  B01J29/00 ,  C07B61/00 ,  C07C1/00 ,  C07C5/23 ,  C07C5/25 ,  C07C7/04 ,  C07C11/08 ,  C07C67/00

Abstract: 1-Butene is recovered from a C4-hydrocarbon mixture which contains 2-butenes and may or may not contain 1-butene by catalytic isomerization of the 2-butenes to 1-butene at elevated temperatures and isolation of the 1-butene, by a process in which the said isomerization is carried out in the presence of an acidic catalyst at from 150 to 500.degree.C, the isomerization mixture obtained from the isomerization zone is fed into a distillation zone, 1-butene is taken off at the top of the distillation zone, a fraction containing 2-butenes is taken off in the lower third of the distillation zone and fed into the isomerization zone, and the starting C4hydrocarbon mixture which contains 2-butenes and may or may not contain 1-butene is fed to the distillation zone and/or the isomerization zone.

公开(公告)号：CA1172988A

公开(公告)日：1984-08-21

申请号：CA389309

申请日：1981-11-03

Applicant: BASF AG

Inventor： HARTMANN HORST ,  HOCHSTEIN WALDHELM ,  KAIBEL GERD ,  MUELLER FRANZ-JOSEF

IPC: C07C17/386 ,  C07C17/00 ,  C07C19/07 ,  C07C45/00 ,  C07C45/84 ,  C07C47/09 ,  C07C67/00

Abstract: O.Z. 0050/034781 A process for separating off organic iodine compounds from acetaldehyde by subjecting the acetaldehyde to azeotropic distillation with a hydrocarbon boiling at from 25 to 55.degree.C under atmospheric pressure.