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公开(公告)号:DE10223968A1
公开(公告)日:2002-12-05
申请号:DE10223968
申请日:2002-05-29
Applicant: BASF AG
Inventor: BOETTCHER ARND , PINKOS ROLF , LORENZ RUDOLF ERICH , BECKER HEIKE
IPC: C07D201/16 , C07D223/10 , C08F2/38
Abstract: Purification of N-vinyl- iota -caprolactam (I) comprises converting the material (II) to be purified, which contains >= 95 wt.% (I), into a melt, partial crystallization of the melt and separation of the crystallizate from the mother liquor.
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公开(公告)号:DE59902581D1
公开(公告)日:2002-10-10
申请号:DE59902581
申请日:1999-06-23
Applicant: BASF AG
Inventor: BECKER HEIKE , HENKELMANN JOCHEM , BOETTCHER ARND , PREISS THOMAS , SLANY MICHAEL
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公开(公告)号:DE10012553A1
公开(公告)日:2001-09-20
申请号:DE10012553
申请日:2000-03-15
Applicant: BASF AG
Inventor: BECKER HEIKE , HENKELMANN JOCHEM , KIEFER MATTHIAS , PREISS THOMAS
IPC: C07C45/49 , C07C49/597
Abstract: Preparation of cyclopent-2-ene-1-one is by reaction of acetylene, ethylene and CO at 100-600 bar and 50-250[deg]C using a transition metal complex as catalyst. Also included is an INDEPENDENT CLAIM for the use Co complexes as catalysts in the preparation of cyclopent-2-ene-1-one by reaction of acetylene, ethylene and CO.
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公开(公告)号:BR9915492A
公开(公告)日:2001-08-07
申请号:BR9915492
申请日:1999-11-06
Applicant: BASF AG
Inventor: MAYWALD VOLKER , STEINMETZ ADRIAN , RACK MICHAEL , TZ NORBERT G , TZ ROLAND G , HENKELMANN JOCHEM , BECKER HEIKE , BAYETO JUAN JOSE AISCAR
IPC: C07D231/20
Abstract: The invention relates to a process for preparing 1-substituted 5- and/or 3-hydroxypyrazoles of the formulae I and IIin which R1 is C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C6-cycloalkyl or C1-C4-alkoxy, where these groups may be substituted by halogen, C1-C4-alkoxy, phenoxy, C1-C6-alkoxycarbonyl, C1-C6-alkylthiocarbonyl or by a cyclic ring system having 3-14 ring atoms, which comprises reactingan alkyl 3-alkoxyacrylate of the formula IIIin which R2, R3 independently of one another are C1-C6-alkyl or C3-C6-cycloalkyl with a hydrazine of the formula IVin which R1 is as defined abovea) at a pH of 6-11 to give 5-hydroxypyrazoles of the formula I orb) at a pH of 11-14 to give 3-hydroxypyrazoles of the formula II.
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公开(公告)号:CA2585031C
公开(公告)日:2013-08-13
申请号:CA2585031
申请日:2005-11-24
Applicant: FLINT GROUP GERMANY GMBH , BASF AG
Inventor: THIEM ROLAND , BECKER HEIKE , SCHOLTISSEK MARTIN , LORENZ WOLFGANG
Abstract: The invention relates to the use of polymers which comprise amino groups which are modified by acid groups, in order to produce humidifying agents for offset printing. The invention also relates to a method for printing by means of an offset technique, wherein a humidifying agent which contains a polymer is used, said polymer comprising amino groups which are modified by acid groups.
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公开(公告)号:BRPI0610777A2
公开(公告)日:2011-02-22
申请号:BRPI0610777
申请日:2006-04-20
Applicant: BASF AG
Inventor: BECKER HEIKE , TABOADA LIDCAY HERRERA , BRAIG VOLKER
Abstract: Use of amphoteric polymers for the treatment of hard surfaces for improving their wettability with polar organic solvents or liquid formulations comprising these solvents.
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公开(公告)号:DE502004008984D1
公开(公告)日:2009-03-26
申请号:DE502004008984
申请日:2004-10-23
Applicant: BASF AG
Inventor: GUZMANN MARCUS , BECKER HEIKE
Abstract: Use of copolymers comprising alkylene oxide units and comprising, in randomly or blockwise copolymerized form, (a) 50 to 93 mol % of acrylic acid and/or a water-soluble salt of acrylic acid, (b) 5 to 30 mol % of methacrylic acid and/or a water-soluble salt of methacrylic acid and (c) 2 to 20 mol % of at least one nonionic monomer of the formula I in which the variables have the following meanings: R1 is hydrogen or methyl; R2 is a chemical bond or unbranched or branched C1-C6-alkylene; R3 is identical or different unbranched or branched C2-C4-alkylene radicals; R4 is unbranched or branched C1-C6-alkyl; n is 3 to 50, as deposit-inhibiting additives in the rinsing cycle of a dishwasher.
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公开(公告)号:BRPI0517904A
公开(公告)日:2008-10-21
申请号:BRPI0517904
申请日:2005-11-24
Applicant: FLINT GROUP GERMANY GMBH , BASF AG
Inventor: THIEM ROLAND , BECKER HEIKE , SCHOLTISSEK MARTIN , LORENZ WOLFGANG
Abstract: The use of polymers which comprise amino groups modified with acid groups for the preparation of fountain solutions for offset printing. A process for printing by means of the offset technique, in which a fountain solution which comprises polymer which comprises amino groups modified with acid groups is used.
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公开(公告)号:AT381527T
公开(公告)日:2008-01-15
申请号:AT04727886
申请日:2004-04-16
Applicant: BASF AG
Inventor: KLASS KATRIN , BECKER HEIKE , VOGELSANG REGINA , HAUK ALEXANDER , SIEGERT MARKUS , HENKELMANN JOCHEM
Abstract: A process for continuously preparing methyl vinyl ether by reacting methanol with ethyne in the liquid phase in the presence of a basic alkali metal or alkaline earth metal compound at a temperature of from 40 to 300° C. and a pressure of from 0.1 to 5 MPa abs, by carrying out the reaction in the absence of a continuous gas phase and at a methyl vinyl ether concentration in the entire liquid phase of
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公开(公告)号:ES2284046T3
公开(公告)日:2007-11-01
申请号:ES04763245
申请日:2004-07-15
Applicant: BASF AG
Inventor: GUZMANN MARCUS , BECKER HEIKE , MICHL KATHRIN , KINGMA AREND JOUKE , NIED STEFAN
Abstract: Copolímeros de (A1) un 70 a un 100 % en moles de al menos dos monómeros de ácido carboxílico con insaturación monoetilénica diferentes, y (A2) un 0 a 30 % en moles de uno o varios monómeros no iónicos, que se han hecho reaccionar con (B) un 5 a un 30 %en moles, referido a los grupos funcionales amidables contenidos en el copolímero constituido por los monómeros (A1), y en caso deseado (A2), a un ácido aminoalcanosulfónico con 1 a 2 átomos de carbono, y/o una sal del mismo.
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