公开(公告)号：DE50306115D1

公开(公告)日：2007-02-08

申请号：DE50306115

申请日：2003-05-19

Applicant: BASF AG

Inventor： WOELFERT ANDREAS ,  MUELLER CHRISTIAN ,  STROEFER ECKHARD ,  BRODHAGEN ANDREAS

IPC: C07C263/10 ,  B01J19/24 ,  C07C265/14

Abstract: The present invention relates to a continuous process for preparing isocyanates by reacting primary amines with phosgene, wherein the reaction is carried out in a cascade of at least two tube reactors and the gas phase formed in the reaction is separated off in a phase separator after each reactor and only the liquid phase is passed to the next reactor or to product purification and the reaction volume of the first tube reactor is only a fraction of the total reaction volume.

公开(公告)号：DE102004060320A1

公开(公告)日：2006-06-22

申请号：DE102004060320

申请日：2004-12-15

Applicant: BASF AG

Inventor： MUELLER CHRISTIAN ,  WEBER MARKUS ,  STROEFER ECKHARD ,  QUASCHNING VERONIKA ,  FADERL JUERGEN

IPC: C07C319/04 ,  C07C321/04

Abstract: Preparation of alkyl thiol (I) comprises adding hydrogen sulfide at the double bonds of 6-20C olefin at 20-150[deg]C and a pressure of 1-40 bar, where the reaction is carried out in the presence of an organic liquid acid (II).

公开(公告)号：DE10340252A1

公开(公告)日：2005-03-24

申请号：DE10340252

申请日：2003-08-29

Applicant: BASF AG

Inventor： FADERL JUERGEN ,  MUELLER CHRISTIAN ,  STEPHAN JUERGEN ,  STEINBRENNER ULRICH ,  BIRKERT OLIVER ,  WALTHER BERND-PETER ,  GMEINER WOLFGANG ,  MAAS HEIKO ,  SCHAEDLER VOLKER ,  BRAND ALEXANDRA

IPC: C07C319/04 ,  C07C321/04 ,  C07C6/04

Abstract: Tert.-dodecylmercaptan (I), obtained by the acid-catalysed addition of hydrogen sulfide to a mixture containing olefins derived from n-dodecane, 5-methyl-n-undecane, 4-ethyl-n-decane, 5,6-dimethyl-n-decane, 5-ethyl-6-methyl-n-nonane, 4,5-diethyl-n-octane and other hydrocarbons, in amounts of 10-18, 25-40, 25-40, 2-8, 5-12, 1-5 and up to 5 wt% respectively. Independent claims are also included for (1) a method (M1) as described above for the production of (I) (2) a method (M2) for the regulation of mol. wt. in the polymerisation of vinyl monomers by adding (I) as mol. wt. regulator.

公开(公告)号：DE10311865A1

公开(公告)日：2004-09-30

申请号：DE10311865

申请日：2003-03-17

Applicant: BASF AG

Inventor： STROEFER ECKHARD ,  WEBER MARKUS ,  WOELFERT ANDREAS ,  MUELLER CHRISTIAN ,  SOHN MARTIN ,  LANG NEVEN ,  KNOESCHE CARSTEN ,  KLOETZER MATTHIAS ,  HENDREICH REGINA ,  MORGENSCHWEIS KONRAD ,  FIENE MARTIN ,  THIELE KAI ,  MURRAR IMBRIDT

IPC: C01B7/04 ,  C07C263/10 ,  C07C265/14

Abstract: A method for the production of polyurethane components, especially isocyanates, involves using a system made up of components used in micro-technology.

公开(公告)号：DE10158160A1

公开(公告)日：2003-06-12

申请号：DE10158160

申请日：2001-11-28

Applicant: BASF AG

Inventor： WOELFERT ANDREAS ,  MUELLER CHRISTIAN ,  STROEFER ECKHARD ,  PFEFFINGER JOACHIM ,  WEBER MARKUS

IPC: C07C263/10 ,  B01J12/00 ,  C07C265/14

Abstract: The invention relates to a method for producing isocyanates by reacting primary amines with phosgene in the gaseous phase. Said method is characterized in that the reaction of amine and phosgene occurs in a reaction channel, the internal dimensions of which have a width/height ratio of at least 2/1.

公开(公告)号：DE10027779A1

公开(公告)日：2001-12-13

申请号：DE10027779

申请日：2000-06-07

Applicant: BASF AG

Inventor： STROEFER ECKHARD ,  PALLASCH HANS-JUERGEN ,  MUELLER CHRISTIAN ,  SOHN MARTIN ,  PENZEL ULRICH

IPC: C07C263/10 ,  C07C265/12

Abstract: A process for the production of isocyanates by reaction of amines and phosgene comprises use of the isocyanate as a solvent. The reaction is performed in a reactor column whereby the condensed phase in the sump of the reactor column is at least partially recycled to the concentrating part of the column.

公开(公告)号：DE102005061316A1

公开(公告)日：2007-06-21

申请号：DE102005061316

申请日：2005-12-20

Applicant: BASF AG

Inventor： WEBER MARKUS ,  MUELLER CHRISTIAN ,  STROEFER ECKHARD ,  ADEL JOERG ,  FAUST JENS UWE

IPC: C07C309/04

公开(公告)号：DE102005032541A1

公开(公告)日：2007-01-18

申请号：DE102005032541

申请日：2005-07-12

Applicant: BASF AG

Inventor： PINKOS ROLF ,  TEBBEN GERD-DIETER ,  HAUK ALEXANDER ,  MUELLER CHRISTIAN ,  RUST HARALD

IPC: C07C45/62 ,  C07B35/02 ,  C07C49/307

Abstract: The present application relates to a process for reacting a composition I comprising at least one aldehyde with hydrogen in the presence of a catalyst in at least one main reactor and at least one postreactor, wherein at least 50% of the fresh hydrogen fed to the reaction system is fed into at least one postreactor. In a preferred embodiment, composition I comprises at least one further organic compound.

公开(公告)号：DE102005014847A1

公开(公告)日：2006-10-05

申请号：DE102005014847

申请日：2005-03-30

Applicant: BASF AG

Inventor： MUELLER CHRISTIAN ,  STROEFER ECKHARD

IPC: C07C265/14 ,  C07C209/78 ,  C07C263/10

Abstract: The invention relates to a process for preparing isocyanates, which comprises the steps (1) preparation of a crude MDA mixture by reaction of aniline with formaldehyde, with the reaction conditions being selected so that the resulting crude MDA can be converted completely into the gas phase, (2) conversion of the crude MDA mixture from step (1) into the gas phase and (3) phosgenation of crude MDA in the gas phase to give MMDI and PMDI.

公开(公告)号：DE102004060321A1

公开(公告)日：2006-06-22

申请号：DE102004060321

申请日：2004-12-15

Applicant: BASF AG

Inventor： MUELLER CHRISTIAN ,  WEBER MARKUS ,  STROEFER ECKHARD

IPC: C07C319/00 ,  B01D53/52 ,  C07C319/04 ,  C07C321/00 ,  C07C321/04 ,  C07C321/14

Abstract: Preparing sulfur-containing compounds comprises reacting a mixed gas stream comprising hydrogen sulfide, optionally with oxygen, with linear or branched 1-30C olefins and carrying out the reaction in the presence of water and carbon dioxide at a pressure of 2-325 bar. Preparing sulfur-containing compounds of formula R 1>-Q-R 2> comprises reacting a mixed gas stream comprising hydrogen sulfide, optionally with oxygen, with linear or branched 1-30C olefins and carrying out the reaction in the presence of water and carbon dioxide at a pressure of 2-325 bar. Q : -S- or -S-S-; R 1>, R 2>H or optionally saturated, linear or branched 1-30C alkyl. R 1> and R 2> are not simultaneously H.