公开(公告)号：CZ304039B6

公开(公告)日：2013-09-04

申请号：CZ2003442

申请日：2001-08-16

Applicant: BASF AG

Inventor： ISAK HEINZ ,  SENDHOFF NORBERT ,  SCHUETZ FRANZ ,  THERRE JOERG ,  DROEGEMUELLER MICHAEL ,  FRANKE DIRK ,  MUNZINGER MANFRED ,  WECK ALEXANDER ,  BURKART KRISTEN

IPC: C07D285/34 ,  A01N25/12 ,  A01N43/82 ,  A01N43/88

Abstract: Je popsán zpusob prípravy produktu z tetrahydro-3,5-dimethyl-1,3,5-thiadiazin-2-thionu, který má takovou distribuci cástic, ze méne nez 7 % hmotnostních techto cástic má prumer cástic mensí nez 100 .mi.m, nad 50 % hmotnostních techto cástic má prumer cástic mensí nez 200 .mi.m, nad 90 % hmotnostních techto cástic má prumer cástic mensí nez 300 .mi.m a nad 95 % hmotnostních techto cástic má prumer cástic mensí nez 400 .mi.m, pri kterém se spojí první vodný roztok obsahující methylamonium-(N-methyldithiokarbamát) s druhým vodným roztokem obsahujícím formaldehyd s následujícím oddelením a vysusením výsledné tuhé látky, pricemz pomer mezi koncentracemi dithiokarbamátových funkcních skupin a formaldehydu je v reakcní smesi v prubehu trvání reakce konstantní nebo je v rozmezí .+-. 20 % stechiometricky pozadovaného mnozství pouzitého reakcního cinidla, a tuhá látka se oddelí z výsledné suspenze..sub. .n.

公开(公告)号：MY139761A

公开(公告)日：2009-10-30

申请号：MYPI20031307

申请日：2003-04-09

Applicant: BASF AG

Inventor： PINKOS ROLF DR ,  FISCHER ROLF-HARTMUTH DR ,  MARKUS ROESCH DR ,  BOTTKE NILS DR ,  SCHLITTER STEPHAN DR ,  HESSE MICHAEL DR ,  WECK ALEXANDER ,  WINDECKER GUNTHER ,  HEYDRICH GUNNAR DR

IPC: C07D307/20 ,  B01J21/08 ,  C07D307/33 ,  B01J23/72 ,  C07B61/00

Abstract: THE PRESENT INVENTION RELATES TO A PROCESS FOR PREPARING UNSUBSTITUTED OR C1-C4-ALKYL-SUBSTITUTED GAMMA-BUTYROLACTONE BY CATALYTIC HYDROGENATION OF MALEIC ACID AND/OR ITS DERIVATIVES IN THE PRESENCE OF CHROMIUM-FREE CATALYST COMPRISING FROM 10 TO 80% BY WEIGHT OF COPPER OXIDE AND FROM 10 TO 90% BY WEIGHT OF AT LEAST ONE CATALYST SUPPORT SELECTED FROM THE GROUP CONSISTING OF SILICON DIOXIDE, TITANIUM DIOXIDE, HAFNIUM DIOXIDE, MAGNESIUM SILICATE, ACTIVATED CARBON, SILICON CARBIDE, ZIRCONIUM DIOXIDE AND ALPHA-ALUMINUM OXIDE.

公开(公告)号：MY136413A

公开(公告)日：2008-09-30

申请号：MYPI20042577

申请日：2004-06-29

Applicant: BASF AG

Inventor： DUDA MARK DR ,  MACHHAMMER OTTO DR ,  WECK ALEXANDER

IPC: C07C51/215

Abstract: A PROCESS FOR PREPARING MALEIC ANHYDRIDE BY OXIDIZING n-BUTANE IN THE GAS PHASE UNDER HETEROGENEOUS CATALYSIS WITH OXYGEN-CONTAINING GASES OVER A VANADIUM-, PHOSPHORUS-AND OXYGEN-CONTAINING CATALYST IN A REACTOR UNIT AT A TEMPERATURE IN THE RANGE FROM 350 TO 500°C, REMOVING THE MALEIC ANHYDRIDE FORMED TO FORM A GAS STREAM WHICH COMPRISES UNCONVERTED n-BUTANE AND WATER AND RECYCLING AT LEAST A PORTION OF THE UNCONVERTED n-BUTANE TO THE REACTOR UNIT, BY FEEDING TO THE REACTOR UNIT AN INLET STREAM HAVING AN n-BUTANE CONCENTRATION OF FROM 0.5 TO 1.5BY VOLUME AND AN OXYGEN CONCENTRATION OF FROM 5 TO 21BY VOLUME, ESTABLISHING A PRESSURE AT THE INLET TO THE REACTOR UNIT OF FORM 0.4 TO 2 MPa ABS, AND CONVERTING FORM 40 TO 100OF THE n-BUTANE FROM THE INLET STREAM PER REACTOR PASS.

公开(公告)号：DE502006000261D1

公开(公告)日：2008-02-14

申请号：DE502006000261

申请日：2006-06-30

Applicant: BASF AG

Inventor： WINDECKER GUNTHER ,  WECK ALEXANDER ,  STEINIGER MICHAEL ,  BREDEHOEFT JAN PETER ,  BENDER BIANCA ,  KNAPPIK PETER ,  VANDEN HAUTTE DANY ,  PIERRE BERNARD ,  HAFFNER BEATRIX

IPC: B01D3/34 ,  B01D53/14

Abstract: The invention relates to a process for separating off maleic anhydride from a gas stream comprising maleic anhydride, in which a) the gas stream comprising maleic anhydride is brought into contact with a liquid absorbent phase comprising at least one high-boiling inert absorption medium for maleic anhydride and b) maleic anhydride is separated off from the resulting liquid absorbate phase by stripping with a hydrogen-comprising gas as stripping medium in a column, wherein the stripping medium is fed in at two points on the column which are at least one theoretical plate apart.

公开(公告)号：MY134409A

公开(公告)日：2007-12-31

申请号：MYPI20034291

申请日：2003-11-10

Applicant: BASF AG

Inventor： SCHUBERT MARKUS DR ,  HEYDRICH GUNNAR DR ,  HUBER-DIRR SYLVIA DR ,  HESSE MICHAEL DR ,  PFEIFER JOCHEN ,  FISCHER ROLF-HARTMUTH DR ,  ROESCH MARKUS DR ,  BOTTKE NILS DR ,  WECK ALEXANDER ,  WINDECKER GUNTHER

IPC: C07C29/17 ,  B01J23/42 ,  B01J23/656 ,  B01J37/02 ,  C07B41/02 ,  C07C29/149

Abstract: THE PRESENT INVENTION PROVIDES A CATALYST COMPRISING FROM 0.1 TO 20% BY WEIGHT OF RHENIUM AND FROM 0.05 TO 10% BY WEIGHT OF PLATINUM, BASED ON THE TOTAL MASS OF THE CATALYST, ON A SUPPORT, OBTAINABLE BY A PROCESS IN WHICH A) THE OPTIONALLY PRETREATED SUPPORT IS TREATED WITH A SOLUTION OF A RHENIUM COMPOUND,B) DRIED AND HEAT-TREATED IN A REDUCTIVE ATMOSPHERE AT FROM 80 TO 600°C, C) IMPREGNATED WITH A SOLUTION OF A PLATINUM COMPOUND AND DRIED AGAIN,AND ALSO A PROCESS FOR PREPARING ALCOHOLS BY CATALYTICALLY HYDROGENATING CARBONYL COMPOUNDS OVER THIS CATALYST.

公开(公告)号：MX2007000963A

公开(公告)日：2007-04-16

申请号：MX2007000963

申请日：2006-06-30

Applicant: BASF AG

Inventor： WECK ALEXANDER ,  WINDECKER GUNTHER ,  STEINIGER MICHAEL ,  BREDEHOFT JAN PETER ,  BENDER BIANCA ,  KNAPPIK PETER ,  HAUTTE DANY VANDEN ,  PIERRE BERNARD ,  HAFFNER BEATRIX

IPC: B01D3/00 ,  B01D53/00

Abstract: La invencion se relaciona con un proceso para separar anhidrido maleico de una corriente de gas que comprende anhidrido maleico, en donde (a) la corriente de gas que comprende anhidrido maleico se lleva hacia contacto con una fase absorbente liquido que comprende cuando menos un medio de absorcion inerte de ebullicion elevada para anhidrido maleico y (b) el anhidrido maleico se separa de la fase de absorbato liquido resultante extrayendo con un gas que comprende hidrogeno como medio de extraccion en una columna, en donde el medio de extraccion se alimenta en dos puntos en la columna que estan cuando menos separados en una placa teorica.

公开(公告)号：AT358665T

公开(公告)日：2007-04-15

申请号：AT04764542

申请日：2004-08-27

Applicant: BASF AG

Inventor： HUGO RANDOLF ,  JOURDAN SABINE ,  WENZ KIRSTEN ,  PREISS THOMAS ,  WECK ALEXANDER

IPC: C07C209/48 ,  C07C211/27

公开(公告)号：AT356109T

公开(公告)日：2007-03-15

申请号：AT04764835

申请日：2004-09-04

Applicant: BASF AG

Inventor： HUGO RANDOLF ,  JOURDAN SABINE ,  WENZ KIRSTEN ,  PREISS THOMAS ,  WECK ALEXANDER

IPC: C07C209/48 ,  C07C211/27

公开(公告)号：MY128721A

公开(公告)日：2007-02-28

申请号：MYPI20021235

申请日：2002-04-05

Applicant: BASF AG

Inventor： RAHN RALF-THOMAS DR ,  WECK ALEXANDER ,  KAIBEL GERD DR

IPC: C07C51/573 ,  C07D307/60 ,  C07C51/215 ,  C07C51/44 ,  C07C57/145 ,  C07C57/15

Abstract: IN A PROCESS FOR PURIFYING AN ORGANIC SOLVENT FOR THE ABSORPTION OF MALEIC ANHYDRIDE FROM A GASEOUS MIXTURE, IN WHICH THE MALEIC ANHYDRIDE IS SEPARATED OFF FROM THE SOLVENT, A SUBSTREAM IS TAKEN FROM THE SOLVENT STREAM, THIS SUBSTREAM IS DISTILLED AND RETURNED TO THE SOLVENT CIRCUIT, THE PROPOSED IMPROVEMENT COMPRISES SEPARATING OFF A LOW-BOILING FRACTION AND A HIGH-BOILING FRACTION FROM THE FRACTION CONSISTING ESSENTIALLY OF PURIFIED SOLVENT AND FEEDING THE FRACTION CONSISTING ESSENTIALLY OF PURIFIED SOLVENT BACK INTO THE SOLVENT STREAM.

公开(公告)号：DE102005004604A1

公开(公告)日：2006-08-10

申请号：DE102005004604

申请日：2005-02-01

Applicant: BASF AG

Inventor： WECK ALEXANDER ,  ROESCH MARKUS ,  WINDECKER GUNTHER ,  HEYDRICH GUNNAR ,  PINKOS ROLF ,  SCHUBERT OLGA ,  HARTH KLAUS

IPC: C07B31/00 ,  B01J3/00 ,  B01J4/00 ,  B01J10/00 ,  B01J19/24

Abstract: The invention relates to a method of controlling a hydrogenation of a starting material in a hydrogenation reactor, in which the amount of hydrogen reacted in the hydrogenation is firstly determined, the ratio of the amount of hydrogen reacted to the amount of starting material fed in is then derived, this ratio is compared with a prescribed value and, finally, at least one process parameter is altered if the ratio of the amount of hydrogen reacted to the amount of starting material fed in deviates by a prescribed amount from the prescribed value.