公开(公告)号：AU2003232807A1

公开(公告)日：2003-12-12

申请号：AU2003232807

申请日：2003-05-21

Applicant: BASF AG

Inventor： WARTINI ALEXANDER ,  DERNBACH MATTHIAS ,  TISCHER GERLINDE ,  SIRCH TILMAN

IPC: C07C29/80 ,  C08G6/00 ,  C08G18/42 ,  C08G63/12 ,  C08G63/78

Abstract: The invention provides a process for preparing polyester polyols of polyhydric alcohols by mono- or polyesterification of at least one carboxylic acid having at least two acid groups and/or at least one derivative of a dicarboxylic acid with polyhydric alcohols, optionally with the addition of a catalyst, while removing the water of reaction, wherein the polyhydric alcohol used has a formaldehyde acetal content of less than 500 ppm.

公开(公告)号：AU2003232806A1

公开(公告)日：2003-12-12

申请号：AU2003232806

申请日：2003-05-21

Applicant: BASF AG

Inventor： WARTINI ALEXANDER ,  DERNBACH MATTHIAS ,  HACKMANN CLAUS ,  SIRCH TILMAN

IPC: C07C29/38 ,  C07C31/22 ,  C08G65/26 ,  C08G65/28

Abstract: The invention provides a process for preparing polyetherols of polyhydric alcohols by reacting an alkylene oxide with the appropriate polyhydric alcohol in the presence of a base and in the presence or absence of a solvent, wherein the polyhydric alcohol used has a formaldehyde acetal content of less than 500 ppm.

公开(公告)号：AU2002356570A1

公开(公告)日：2003-05-26

申请号：AU2002356570

申请日：2002-11-08

Applicant: MARTIN FRIEDRICH GEORG ,  BASF AG

Inventor： MARTIN FRIEDRICH-GEORG ,  DERNBACH MATTHIAS ,  SIRCH TILMAN ,  SCHRODER JURGEN ,  WARTINI ALEXANDER

IPC: C07C67/08 ,  C07B61/00 ,  C07C29/141 ,  C07C29/80 ,  C07C31/22 ,  C07C51/50 ,  C07C67/62 ,  C07C69/54

Abstract: (Meth)acrylates of polyhydric alcohols are prepared by reacting (meth)acrylic acid and the corresponding polyhydric alcohol in the presence of at least one acidic catalyst and, if required, at least one polymerization inhibitor and in the presence or absence of a solvent, by a process in which the polyhydric alcohol used contains less than 500 ppm of bound formaldehyde.

公开(公告)号：MXPA02006394A

公开(公告)日：2002-11-29

申请号：MXPA02006394

申请日：2000-12-21

Applicant: BASF AG

Inventor： DERNBACH MATTHIAS ,  KRATZ DETLEF ,  STAMMER ACHIM ,  RUST HARALD ,  SCHULZ GERHARD

IPC: C07B61/00 ,  C07C29/80 ,  C07C31/22

Abstract: La invencion se refiere a un metodo para llevar a cabo la destilacion pura de trimetilolpropano que proviene de la hidrogenacion de 2,2-dimetilolbutanal a traves de las siguientes etapas: (a) reaccion de n-butiraldehido con formaldehido en presencia de cantidades cataliticas de una amina terciaria e hidrogenacion de la mezcla que se obtiene de tal manera que se forme una mezcla que contiene trimetilopropano; (b) separacion de agua metanol, trialquilamina y/o formato de trialquilamonio mediante destilacion; (c) calentamiento del residuo obtenido en (b), en vacio, a una temperatura en la cual TMP es volatil y a la cual compuestos que hierven a temperaturas mayores que la temperatura de ebullicion de TMP son disociados mientras se separa por destilacion TMP asi como compuestos que son menos volatiles que TMP; (d) destilacion del destilado obtenido en (c) mientras se separan los compuestos -menos volatiles y obtencion de TMP puro; (e) realizacion de la destilacion facultativa del TMP obtenido en (d) con el objeto de obtener TMP que tiene un indice de color alfa bajo. La invencion se refiere tambien al metodo en el cual formato de trialquilamonio es separado por destilacion mientras se conserva, a partir de mezclas brutas que consisten de alcoholes polivalentes, principalmente trimetilolpropano.

公开(公告)号：DE10058303A1

公开(公告)日：2002-05-29

申请号：DE10058303

申请日：2000-11-24

Applicant: BASF AG

Inventor： DERNBACH MATTHIAS ,  MAAS STEFFEN ,  OHLBACH FRANK ,  MELDER JOHANN-PETER ,  SIRCH TILMAN

IPC: C07C29/141 ,  C07C29/80 ,  C07C31/22

Abstract: Removal of trialkylammonium formate from polyhydric alcohols produced by aldolization of formaldehyde with a higher aldehyde in the presence of an amine catalyst and hydrogenation of the resulting mono- or polymethylol alkanal comprises treating the aldolization product and/or hydrogenation product with a strongly basic ion exchanger and distilling the hydrogenation product. Removal of trialkylammonium formate from polyhydric alcohols produced by aldolization of formaldehyde with a higher aldehyde in the presence of an amine catalyst and hydrogenation of the resulting mono- or polymethylol alkanal comprises treating the aldolization product and/or hydrogenation product with a strongly basic ion exchanger and distilling the hydrogenation product at a bottom temperature below 200 deg C and a pressure below 400 mbar with a short residence time to remove the trialkylammonium formate together with methanol, trialkylamine and optionally water.

公开(公告)号：AU2166702A

公开(公告)日：2002-04-22

申请号：AU2166702

申请日：2001-10-11

Applicant: BASF AG

Inventor： DERNBACH MATTHIAS ,  SIGWART CHRISTOPH ,  HESSE MICHAEL ,  MAAS STEFFEN

IPC: B01J23/44 ,  C07C29/90 ,  C07C31/22

Abstract: A process is provided for improving the color number of polyhydric alcohols, especially trimethylolpropane, by catalytic hydrogenation, the polyhydric alcohol used in the hydrogenation having been purified by distillation following its preparation, wherein the hydrogenation is carried out in the presence of a macroporous supported heterogeneous catalyst containing, as the active metal, at least one metal of subgroups VII to X of the Periodic Table.

公开(公告)号：DE10029055A1

公开(公告)日：2002-01-31

申请号：DE10029055

申请日：2000-06-13

Applicant: BASF AG

Inventor： DERNBACH MATTHIAS ,  KRATZ DETLEF ,  STAMMER ACHIM

IPC: C07C29/76 ,  C07C29/80 ,  C07C29/74 ,  C07B63/00 ,  C07C31/18

Abstract: A process for improving the color number of a multi-valent alcohol (I), preferably trimethylolpropane, comprises purification of the alcohol (I) by distillation followed by a temperature treatment and renewed purification, preferably by distillation.

公开(公告)号：PL343532A1

公开(公告)日：2001-08-27

申请号：PL34353299

申请日：1999-03-30

Applicant: BASF AG ,  BASF CORP

Inventor： KOBER REINER ,  HOBBS DAVID G ,  GIBSON SCOTT W ,  FERSCH KENNETH EUGENE ,  RADEMACHER WILHELM ,  BOTZEM JOERG ,  FREDE MARKUS ,  DERNBACH MATTHIAS ,  GOETTSCHE REIMER ,  DOETZER REINHARD

IPC: A01N33/12 ,  A01N43/40 ,  A01N59/14 ,  C07D295/02 ,  C01B35/12 ,  C07D295/037

Abstract: The invention provides novel mepiquat plant growth regulator compositions which have improved hygroscopicity and corrosion characteristics. The novel mepiquat plant growth regulator compositions of the invention can be readily prepared from technical mepiquat chlorid inter alia by electrochemical ion exchange processes or by quaternization of N-methylpiperidine with dimethylcarbonate as starting material.

公开(公告)号：DE19963409A1

公开(公告)日：2001-07-12

申请号：DE19963409

申请日：1999-12-28

Applicant: BASF AG

Inventor： DERNBACH MATTHIAS ,  MELDER JOHANN-PETER ,  KOCH MICHAEL ,  SCHULZ GERHARD

IPC: B01J23/94 ,  B01J38/60 ,  B01J38/62 ,  C07C29/141 ,  B01J25/04 ,  C07B41/02 ,  C07C29/145 ,  C07C45/61

Abstract: A method for regenerating catalyzers which contain copper as an active component and which were used in hydrogenation or in aminating hydrogenation of carbonyl compounds or in the amination of alcohols. Said method consists in treating the catalyzers with an acid.

公开(公告)号：AU2172901A

公开(公告)日：2001-07-09

申请号：AU2172901

申请日：2000-12-28

Applicant: BASF AG

Inventor： DERNBACH MATTHIAS ,  KRATZ DETLEF ,  STAMMER ACHIM ,  SCHULZ GERHARD

IPC: C07C29/88 ,  C07C29/141 ,  C07C33/22