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公开(公告)号：ES2250909T3
公开(公告)日：2006-04-16
申请号：ES03755043
申请日：2003-05-21
Applicant: BASF AG
Inventor： WARTINI ALEXANDER , DERNBACH MATTHIAS , TISCHER GERLINDE , SIRCH TILMAN
Abstract: Procedimiento para la obtención de poliésterpolioles de alcoholes polivalentes mediante esterificado simple o múltiple de al menos un ácido dicarboxílico y/o al menos un derivado de un ácido dicarboxílico con alcoholes polivalentes, y en caso dado bajo adición de un catalizador bajo separación del agua de reacción, caracterizado porque el alcohol polivalente empleado presenta un contenido en acetal de formaldehído por debajo de 500 ppm.
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公开(公告)号：DE50301629D1
公开(公告)日：2005-12-15
申请号：DE50301629
申请日：2003-05-21
Applicant: BASF AG
Inventor： WARTINI ALEXANDER , DERNBACH MATTHIAS , TISCHER GERLINDE , SIRCH TILMAN
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.
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公开(公告)号：BR0117175A
公开(公告)日：2004-10-26
申请号：BR0117175
申请日：2001-11-15
Applicant: BASF AG
Inventor： WARTINI ALEXANDER , SIRCH TILMAN , DERNBACH MATTHIAS , MELDER JOHANN-PETER
Abstract: The invention relates to a method for removing acetals containing formaldehyde from polyvalent alcohols, especially trimethylolpropane. The inventive method is characterised in that the polyvalent alcohol is liberated of low-boiling constituents after it has been produced by distillation, is then subjected to tempering and is repurified, preferably by means of distillation.
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公开(公告)号：DE10232750A1
公开(公告)日：2004-02-05
申请号：DE10232750
申请日：2002-07-18
Applicant: BASF AG
Inventor： WARTINI ALEXANDER , EBEL KLAUS , HIEBER GISELA , WEIGL HAGEN
IPC: C07B61/00 , C07C45/48 , C07C49/385 , C07C49/587 , C07C45/45
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25.发明专利
公开(公告)号：CA2466295C
公开(公告)日：2010-01-12
申请号：CA2466295
申请日：2001-11-15
Applicant: BASF AG
Inventor： MELDER JOHANN-PETER , DERNBACH MATTHIAS , WARTINI ALEXANDER , SIRCH TILMAN
Abstract: The invention relates to a method for removing acetals containing formaldehy de from polyvalent alcohols, especially trimethylolpropane. The inventive metho d is characterised in that the polyvalent alcohol is liberated of low-boiling constituents after it has been produced by distillation, is then subjected t o tempering and is repurified, preferably by means of distillation.
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Patent Agency Ranking26.发明专利
公开(公告)号：ES2271376T3
公开(公告)日：2007-04-16
申请号：ES02801897
申请日：2002-10-18
Applicant: BASF AG
Inventor： KOCH MICHAEL , WARTINI ALEXANDER , SIRCH TILMAN , DERNBACH MATTHIAS
Abstract: Procedimiento para la descomposición de formiato de trialquilamonio a partir de metilolalcanos, que han sido obtenidos mediante condensación de formaldehído con un aldehído superior, a 100 hasta 250ºC y a una presión mayor que 106 Pa, caracterizado porque se descompone el formiato de trialquilamonio sobre catalizadores que contienen, al menos, un metal de los grupos octavo a decimosegundo del Sistema Periódico, con aporte de gases que contengan hidrógeno.
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公开(公告)号：AT334957T
公开(公告)日：2006-08-15
申请号：AT02792927
申请日：2002-12-06
Applicant: BASF AG
Inventor： SIRCH TILMAN , KAIBEL GERD , WARTINI ALEXANDER , DERNBACH MATTHIAS
IPC: C07C29/38 , C07B61/00 , C07C29/141 , C07C29/80 , C07C31/22
Abstract: Trimethylolpropane is isolated from a reaction mixture which has been obtained by reaction of n-butyraldehyde with formaldehyde in the presence of a base and, if appropriate, hydrogenation of the resulting mixture by distilling the mixture by means of a dividing wall column or a distillation column with a precolumn or a distillation column with an after-column. The process has low capital costs and a low energy consumption and gives reduced formation of high-boiling by-products.
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公开(公告)号：BR0311166A
公开(公告)日：2005-03-15
申请号：BR0311166
申请日：2003-05-21
Applicant: BASF AG
Inventor： WARTINI ALEXANDER , DERNBACH MATTHIAS , TISCHER GERLINDE , SIRCH TILMAN
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.
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公开(公告)号：BR0214133A
公开(公告)日：2004-10-13
申请号：BR0214133
申请日：2002-11-08
Applicant: BASF AG
Inventor： WARTINI ALEXANDER , DERNBACH MATTHIAS , DER J RGEN SCHR , MARTIN FRIEDRICH-GEORG , SIRCH TILMAN
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.
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30.发明专利
公开(公告)号：CA2492553A1
公开(公告)日：2004-01-29
申请号：CA2492553
申请日：2003-07-10
Applicant: BASF AG
Inventor： WEIGL HAGEN , WARTINI ALEXANDER , EBEL KLAUS , HIEBER GISELA
IPC: C07B61/00 , C07C45/48 , C07C49/385 , C07C49/587
Abstract: The invention relates to a method for producing macrocyclic ketones of gener al formula (I) by direct cyclisation of compounds of general formula (II) in th e gas phase on a heterogeneous catalyst. In general formula (I), X represents a monounsaturated or polyunsaturated or saturated C10-C17 alkyl radical which can be optionally substituted by a C1-C6 alkyl radical, and in general formu la (II), R1, R2 can respectively be the same or different and represent hydroge n or C1-C6 alkyl, and X has the above-mentioned designation.
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