公开(公告)号：MX9605731A

公开(公告)日：1997-05-31

申请号：MX9605731

申请日：1996-11-21

Applicant: BASF AG

Inventor： HEINEKE DANIEL ,  ELLER KARSTEN ,  SCHNEIDER HEINZ-WALTER ,  THOME ALFRED

IPC: C01B21/14 ,  B01J21/18 ,  B01J23/42 ,  B01J27/08 ,  B01J31/30 ,  B01J31/40 ,  B01J35/10 ,  B01J37/04 ,  C07B61/00 ,  C07F7/00 ,  C07F7/28 ,  B01J31/38

Abstract: Se presenta la preparacion de un vehículo de catalizador que contiene carbono mediante el tratamiento del vehículo de catalizador que contiene carbono con un compuesto de la formula general I, M(OR)mXn, donde M representa Ti o bien Zr, X representa Cl o bien Br y R representa alquilo C1-C20, y m y n son numeros enteros comprendidos entre 0 y 4, donde la suma de m y n es igual a 4.

公开(公告)号：CA1237443A

公开(公告)日：1988-05-31

申请号：CA458662

申请日：1984-07-11

Applicant: BASF AG

Inventor： SCHNEIDER HEINZ-WALTER ,  RICHTER WOLFGANG ,  DISTELDORF WALTER ,  KUMMER RUDOLF

IPC: B01J31/00 ,  B01J31/20 ,  B01J31/24 ,  C07B61/00 ,  C07C67/313 ,  C07C67/38 ,  C07C67/39 ,  C07C69/44 ,  C07C69/67

Abstract: - 7 - O.Z. 0050/36619 Pure monoesters of adipic acid are prepared by a process in which a) a pentenoate is reacted with carbon monoxide and hydrogen at from 90 to 140.degree.C and under from 5 to 300 bar in the presence of a carbonyl complex of cobalt or of rhodium, and a 5-formylvalerate is separated off, and b) the 5-formylvalerate thus obtained is oxidized with molecular oxygen, or with a gas containing this, at from 20 to 100.degree.C under from 1 to 10 bar.

公开(公告)号：CA1126754A

公开(公告)日：1982-06-29

申请号：CA333752

申请日：1979-08-14

Applicant: BASF AG

Inventor： KUMMER RUDOLF ,  SCHNEIDER HEINZ-WALTER ,  WEISS FRANZ-JOSEF ,  LEMAN OTTO

IPC: C07C69/44 ,  B01J31/00 ,  C07B61/00 ,  C07C67/38 ,  C07C67/48 ,  C07C69/34 ,  C07C69/533

Abstract: O.Z. 0050/033380 In a process for the preparation of dimethyl butanedicarboxylates, whereina) butadiene or a hydrocarbon mixture containing butadiene is reacted with carbon monoxide and methanol in the presence of a tertiary nitrogen base and a cobalt carbonyl catalyst at from 80 to 150.degree.C under superatmospheric pressure,b) the greater part of the tertiary nitrogen base and any excess hydrocarbons are removed andc) the methyl pentenoate thus obtained is reacted with carbon monoxide and methanol, in the presence of a cobalt carbonyl catalyst and the residual amount of tertiary nitrogen base, at from 140 to 200.degree.C under superatmospheric pressure, to give the dimethyl butanedicarboxylate, the improvement that the reaction mixture obtained in stagea) after reaction of the butadiene is cooled until it separates into two phases, and a part-stream of from 20 to 80% by volume of the lower phase is recycled to stage a).

公开(公告)号：CA1095529A

公开(公告)日：1981-02-10

申请号：CA279852

申请日：1977-06-03

Applicant: BASF AG

Inventor： PLATZ ROLF ,  KUMMER RUDOLF ,  SCHNEIDER HEINZ-WALTER ,  SCHWIRTEN KURT

IPC: C07C69/533 ,  B01J31/00 ,  C07B61/00 ,  C07C51/00 ,  C07C51/14 ,  C07C57/03 ,  C07C67/00 ,  C07C57/02 ,  C07C69/52

Abstract: O.Z. 32,076 A process for the manufacture of pent-3-enoic acid and its alkyl esters, of the general formula CH3-CH=CH-CH2-CO-OR where R is hydrogen or alkyl of 1 to 4 carbon atoms, comprising carbonylating butadiene with carbon monoxide and a compound ROH at from 300 to 1,000 bars CO pressure and from 100 to 160.degree.C in the presence of cobalt catalysts and nitrogen bases, wherein C4 cuts are used as starting materials and a tertiary amine having a pKA of from 3 to 11 is used as the nitrogen base. The pent-3-enoic acid or alkyl esters produced may be used for the manufacture of adipic acid or its alkyl esters, which compounds are starting materials for the manufacture of nylons.

公开(公告)号：PL358987A1

公开(公告)日：2004-08-23

申请号：PL35898701

申请日：2001-05-21

Applicant: BASF AG

Inventor： ALLEN PETER MARK ,  GAHN CHRISTOPH ,  RIEKER CHRISTOPHER WILIAM ,  SCHNEIDER HEINZ-WALTER ,  WAGNER ROBERT

IPC: B01D9/00 ,  B01D9/02

Abstract: An apparatus and a process for crystallizing substances from solutions or dispersions containing these substances, in a crystallizer containing a classifying zone ( 3 ), comprise a) an inner and an outer circulation system ( 1; 2 ), the inner circulation system ( 1 ) being present in the crystallizer, the inlet of the outer circulation system ( 2 ) being connected to the inner circulation system ( 1 ) via the classifying zone ( 3 ), the outer circulation system, being present outside the crystallizer, the outlet of the outer circulation system ( 2 ) being connected to the inner circulation system ( 1 ) of the crystallizer, and a means for dissolving crystals being arranged in the outer circulation system ( 2 ), before its outlet, b) an inflow ( 4 ) for solution and/or dispersion, which inflow is present on the crystallizer or on the outer circulation system, and c) an outflow ( 5 ) for dispersions, which outflow is arranged on the crystallizer or on the outer circulation system. The novel apparatus has the special feature that a line ( 8 ) connecting the outer and inner circulation systems ( 1; 2 ) to one another and intended for transporting (recycling) dispersion and/or a line ( 8 ) for transporting (recycling) dispersion are additionally present, in which both its entrance and its exit are connected to the inner circulation system ( 1 ).

公开(公告)号：SK16782002A3

公开(公告)日：2003-05-02

申请号：SK16782002

申请日：2001-05-21

Applicant: BASF AG

Inventor： ALLEN PETER MARK ,  GAHN CHRISTOPH ,  RIEKER CHRISTOPHER WILLIAM ,  SCHNEIDER HEINZ-WALTER ,  WAGNER ROBERT

IPC: B01D9/00 ,  B01D9/02

Abstract: An apparatus and a process for crystallizing substances from solutions or dispersions containing these substances, in a crystallizer containing a classifying zone ( 3 ), comprise a) an inner and an outer circulation system ( 1; 2 ), the inner circulation system ( 1 ) being present in the crystallizer, the inlet of the outer circulation system ( 2 ) being connected to the inner circulation system ( 1 ) via the classifying zone ( 3 ), the outer circulation system, being present outside the crystallizer, the outlet of the outer circulation system ( 2 ) being connected to the inner circulation system ( 1 ) of the crystallizer, and a means for dissolving crystals being arranged in the outer circulation system ( 2 ), before its outlet, b) an inflow ( 4 ) for solution and/or dispersion, which inflow is present on the crystallizer or on the outer circulation system, and c) an outflow ( 5 ) for dispersions, which outflow is arranged on the crystallizer or on the outer circulation system. The novel apparatus has the special feature that a line ( 8 ) connecting the outer and inner circulation systems ( 1; 2 ) to one another and intended for transporting (recycling) dispersion and/or a line ( 8 ) for transporting (recycling) dispersion are additionally present, in which both its entrance and its exit are connected to the inner circulation system ( 1 ).

公开(公告)号：BG104723A

公开(公告)日：2001-05-31

申请号：BG10472300

申请日：2000-08-28

Applicant: BASF AG

Inventor： HEINEKE DANIEL ,  SCHNEIDER HEINZ-WALTER ,  THOME ALFRED ,  ACHHAMMER GUNTHER ,  MULLER ULRICH ,  HOFSTADT OTTO

IPC: C01B21/14 ,  C01B21/24 ,  C01B21/26

Abstract: The invention relates to a method for producing hydroxylammonium salts by means of catalytic reduction of nitrogen monoxide with hydrogen in the presence of an acid and a hydrogenating catalyst, whereby the nitrogen monoxide is purified before the catalytic reduction by at least one treatment with porous oxides based on silicon and/or aluminium or with activated carbon. 8 claims

公开(公告)号：CA2250745A1

公开(公告)日：1997-10-16

申请号：CA2250745

申请日：1997-04-01

Applicant: BASF AG

Inventor： THOME ALFRED ,  ACHHAMMER GUENTHER ,  SCHNEIDER HEINZ-WALTER ,  HEINEKE DANIEL

IPC: B01J23/42 ,  B01J37/20 ,  C01B21/14 ,  C01B21/087 ,  B01J23/96

Abstract: The invention concerns the manufacture of a hydrogenation catalyst by the reduction of platinum from an oxidation state of not less than two with a reducing agent in an aqueous medium in the presence of a carbon-containing support following partial poisoning, the method using a compound of general formula (I) in which X, Y and Z, which may be the same or different, are hydrogen, C1-C18 alkyl, C5-C10 cycloalkyl, halogen, hydroxyl, C1-C6 alkoxy orNR'R'', whereby R, R' and R'', which may by the same or different, are hydrogen, C1-C18 alkyl or C5-C10 cycloalkyl. The invention also concerns a hydrogenation catalyst manufactured by this method, its use in the production of hydroxylammonium salts, a method of producing hydroxylammonium salts and a method of regenerating platinum-based hydrogenation catalysts of this kind.

公开(公告)号：CA1274826A

公开(公告)日：1990-10-02

申请号：CA527726

申请日：1987-01-20

Applicant: BASF AG

Inventor： HUTMACHER HANS-MARTIN ,  MERGER FRANZ ,  BROECKER FRANZ J ,  FISCHER ROLF ,  VAGT UWE ,  HARDER WOLFGANG ,  PRIESTER CLAUS-ULRICH ,  SCHNEIDER HEINZ-WALTER ,  RICHTER WOLFGANG

IPC: B01J23/74 ,  B01J23/78 ,  B01J25/00 ,  C07B61/00 ,  C07D201/08 ,  C07D223/10

Abstract: Caprolactam is prepared by a process in which a) a 5-formylvalerate is reacted with excess ammonia and hydrogen in the presence of an alkanol as a solvent and in the presence of a hydrogenation catalyst under superatmospheric pressure in the liquid phase at from 40 to 130.degree.C, b) excess ammonia and hydrogen are separated off from the reaction mixture and c) the reaction mixture thus obtained is heated to 150 250.degree.C and .epsilon.-caprolactam is obtained.

公开(公告)号：CA1113491A

公开(公告)日：1981-12-01

申请号：CA298297

申请日：1978-03-03

Applicant: BASF AG

Inventor： KUMMER RUDOLF ,  SCHNEIDER HEINZ-WALTER ,  PLATZ ROLF ,  MAGNUSSEN PETER ,  WEISS FRANZ-JOSEF

IPC: C07C69/44 ,  B01J31/00 ,  C07B61/00 ,  C07C67/38 ,  C07C69/34

Abstract: A process for the manufacture of butanedicarboxylic acid esters, whereina) an aqueous cobalt salt solution is treated, at from 50 to 200.degree.C and under a pressure of from 50 to 500 bars, with excess carbon monoxide and hydrogen in the presence of active charcoal laden with cobalt carbonyl,b) the resulting aqueous solution of cobalt carbonyl hydride is extracted with butadiene or with a hydrocarbon mixture containing butadiene and the aqueous phase is separated off,c) the butadiene, or butadiene-hydrocarbon mixture, containing cobalt carbonyl hydride, cobalt carbonyl and butenyl-cobalt tricarbonyl is reacted with carbon monoxide and an excess of an alkanol of 1 to 4 carbon atoms in the presence of from 0.5 to 2 moles, per mole of butadiene, of a tertiary nitrogen base having a pKa of from 3 to 11, at from 80 to 150.degree.C under a pressure of from 300 to 2,000 bars, andd) the resulting reaction mixture is freed from the tertiary nitrogen base contained therein, except for from 0.1 to 0.3 mole per mole of pentenoic acid ester, and from excess hydrocarbons, the pentenoic acid ester remaining in the reaction mixture is reacted with carbon monoxide and an excess of an alkanol of 1 to 4 carbon atoms at from 140 to 200.degree.C and under pressures of from 100 to 400 bars in the presence of the amounts of cobalt carbonyl and tertiary nitrogen base contained in the reaction mixture, and excess alkanol and free nitrogen base are then distilled off, ande) the reaction mixture which remains, and which contains cobalt catalyst, the butanedicarboxylic acid ester and by-products is treated with an oxidizing agent in an aqueous acid medium and the mixture is separated into an organic phase, from which the butanedicarboxylic acid ester is isolated by distillation, and into an aqueous phase containing cobalt salts. Butanedicarboxylic acid esters may be used for the manufacture of adipic acid and of nylons.