Patents Assigned to BASF SE Patents, Trademarks and Licenses
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Publication number: 20120230896Abstract: The invention relates to an absorbent, comprising an aqueous solution (A) of at least one amino acid salt of the formula (I), wherein R1 and R2 independently from each other represent alkyl or hydroxyalkyl, R is hydrogen, alkyl or hydroxyalkyl, or a group R together with R1 is alkylene, M is an alkali metal, and n an integer from 1 to 6, and (B) of at least one primary alkanolamine, which is substantially free of inorganic alkaline salts. The absorbent is used in a method for removing carbon dioxide from a gas flow, particularly combustion exhaust gases. Preferred amino acid salts (A) are N,N-dimethylamino acetic acid potassium salt, N,N-diethylamino acetic acid potassium salt and N-ethyl-N-methylamino acetic acid-potassium salt. Preferred alkanolamines (B) are 2-aminoethanol, 3-aminopropanol, 4-aminobutanol, 2-aminobutanol, 5-aminopentanol, 2-aminopentanol and 2-(2-aminoethoxy)ethanol.Type: ApplicationFiled: May 18, 2012Publication date: September 13, 2012Applicant: BASF SE Patents, Trademarks and LicensesInventors: Rupert Wagner, Ute Lichtfers, Volker Schuda
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Publication number: 20110065819Abstract: Expandable, thermoplastic polymer bead material, comprising A) from 45 to 98.8 percent by weight of a styrene polymer, B1) from 1 to 45 percent by weight of a polyolefin whose melting point is in the range from 105 to 140° C., B2) from 0 to 25 percent by weight of a polyolefin whose melting point is below 105° C., C1) from 0.1 to 9.9 percent by weight of a styrene-butadiene block copolymer, C2) from 0.1 to 9.9 percent by weight of a styrene-ethylene-butylene block copolymer, D) from 1 to 15 percent by weight of a blowing agent, E) from 0 to 5 percent by weight of a nucleating agent where the entirety of A) to E) gives 100% by weight, and also processes for production of the same, and use for the production of elastic molded-foam moldings.Type: ApplicationFiled: March 12, 2009Publication date: March 17, 2011Applicant: BASF SE Patents, Trademarks and LicensesInventors: Carsten Schips, Klaus Hahn, Georg Grässel, Daniela Longo-Schedel, Jens Assmann, Andreas Gietl, Konrad Knoll, Holger Ruckdäschel, Maximilian Hofmann, Christof Zylla, Jürgen Lambert, Geert Janssens
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Publication number: 20100317810Abstract: Helical tube evaporators are used to concentrate aqueous extract solutions from the extraction of polyamides based on polyamide 6. A process for preparing polyamides based on polyamide 6 comprises the stages of b) monophasic or biphasic reaction of aqueous extract solutions from the extraction of polyamides based on polyamide 6, which may be enriched with caprolactam, aminocapronitrile, aminocaproic acid or mixtures thereof, in a prereactor at pressures in the range from 5 to 40 bar and temperatures in the range from 150 to 300° C., the gaseous phase formed being removable from the liquid phase in the case of the biphasic reaction, c) discharge of the reaction mixture from stage b) through a helical tube evaporator at a temperature in the range from 220 to 300° C. with pressure reduction to about atmospheric pressure and removal of a gaseous phase to obtain a liquid phase, d) further reaction of the liquid phase from stage c) at temperatures in the range from 240 to 300° C.Type: ApplicationFiled: October 19, 2007Publication date: December 16, 2010Applicant: BASF SE Patents, Trademarks and LicensesInventors: Robert Weiss, Jens Becker
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Publication number: 20100291389Abstract: Coated polyoxymethylene moldings comprising at least one polyoxymethylene homo- or copolymer A), and also, if appropriate, further additives B), which has been coated on the surface with at least one binder C) and one formaldehyde scavenger D), wherein the binder C) used comprises a polyalkylene oxide C1 or a polyvinyl ester C2 or a graft polymer C3 composed of C1 and C2 or a mixture of these, and the formaldehyde scavenger D) used comprises at least one hydrazide compound.Type: ApplicationFiled: January 20, 2009Publication date: November 18, 2010Applicant: BASF SE Patents, Trademarks and LicensesInventors: Karthikeyan Sharavanan, Jens Assmann, Lidcay Herrera Taboada, Rainer Anderlik
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Publication number: 20100261824Abstract: The present invention relates to a thermoplastic molding composition comprising (A) as component A, particles composed of at least one oxidatively crosslinked vegetable oil as core, encapsulated by at least one thermoplastic, (B) as component B, at least one further thermoplastic compatible with the at least one thermoplastic present in the shell of component A, (C) as component C, at least one resin compatible with the at least one thermoplastic present in the shell of component A, (D) as component D, at least one filler, and (E) as component E, if appropriate, further additives, and also to a process for the production of this thermoplastic molding composition.Type: ApplicationFiled: December 11, 2008Publication date: October 14, 2010Applicant: BASF SE Patents, Trademarks and LicensesInventors: Konrad Knoll, Michel Pepers, Peter Wolf, Piyada Charoensirisomboon
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Publication number: 20100238760Abstract: The invention relates to a constant load shear cell and a method for constant loading of a magnetorheological fluid in a constant load shear cell. The constant load shear cell comprises a rotatable shaft (1), to which a rotor plate (2) is fixed. A first gap (5), for accommodating a magnetorheological fluid, is formed between a first side (3) of the rotor plate (2) and a first shear surface (4). A second gap (8), for accommodating the magnetorheological fluid, is formed between a second side (6) of the rotor plate (2) facing away from the first and a second shear surface (7). The constant load shear cell further comprises at least one magnet (9) for generating a magnetic field in the first and second gaps (5, 8).Type: ApplicationFiled: August 21, 2007Publication date: September 23, 2010Applicant: BASF SE Patents, Trademark and LicensesInventors: Martin Laun, Jürgen Pfister, Rene Lochtman, Günter Oetter, Claus Gabriel, Peter Schuler
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Publication number: 20100178826Abstract: A padding material, comprising A) one or more layers of an open-cell foam material based on melamine resin with a fire-retardant impregnating material applied, and B) a incombustible or low-flammability covering material, and C) a incombustible, supporting substructure, where the connection between the layers A), B), and C) is the result of force, of interlocking, or of coherent bonding, and also use for furniture, mattresses, mats, and seats in motor vehicles, in rail vehicles, in ships, or in aircraft.Type: ApplicationFiled: August 1, 2007Publication date: July 15, 2010Applicant: BASF SE Patents, Trademarks and LicensesInventors: Werner Lenz, Horst Baumgartl, Christof Möck
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Publication number: 20100171070Abstract: The present invention relates to a process for preparing a phosphorus-containing polymer, comprising the steps of (i) copolymerizing at least (a) monoethylenically unsaturated dicarboxylic anhydrides having from 4 to 6 carbon atoms with (b) olefins of the formula CH2?C(R1)R2 where R1 is H or CH3 and R2 is H, CH3, C2H5 or phenyl; (ii) reacting the polymer formed in step (i) with at least one primary or secondary phosphorus-containing amine or a phosphorus-containing alcohol and (iii) at least partly ring-opening the remaining anhydride groups. The invention further relates to phosphorus-containing polymers obtainable from this process, and to processes for preventing Ba/Sr scale with the aid of the polymer.Type: ApplicationFiled: December 17, 2007Publication date: July 8, 2010Applicant: BASF SE Patents, Trademarks and LicensesInventors: Lidcay Herrera Taboada, Marcus Guzmann, Karin Neubecker, Alexander Göthlich
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Publication number: 20100143697Abstract: Thermoplastic particle foams which have cells having a mean cell size in the range from 20 to 500 ?m and in which the cell membranes have a nanocellular or fibrous structure having pore or fiber diameters below 1500 nm, and also processes for producing them.Type: ApplicationFiled: April 8, 2008Publication date: June 10, 2010Applicant: BASF SE Patents, Trademarks and LicensesInventors: Carsten Schips, Klaus Hahn, Georg Gräßel, Daniela Longo, Jens Aßmann, Andreas Gietl
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Publication number: 20100111807Abstract: A process for preparing crystalline hydroxylamine-O-sulfonic acid by a. reacting hydroxylamine or a hydroxylammonium salt with oleum/sulfuric acid or with chiorosulfonic acid/sulfuric acid at a temperature in the range from 90 to 130° C., b. continuing to stir the reaction mixture at a temperature in the range from 90 to 130° C. for a period of from 2 to 24 hours, c. cooling the reaction mixture to a temperature in the range from 10 to 40° C. within a period of from 1 to 12 hours and d. subsequently removing and washing the hydroxylamine-O-sulfonic acid which has crystallized out.Type: ApplicationFiled: January 21, 2008Publication date: May 6, 2010Applicant: BASF SE Patents, Trademarks and LicensesInventors: Lars Wittenbecher, Reinhold Goth
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Publication number: 20100032856Abstract: A process for producing coated foam particles, in which an aqueous polymer dispersion is applied to the foam particles and is subsequently dried to form a water-insoluble polymer film, and also foam moldings produced therefrom and their use.Type: ApplicationFiled: October 4, 2007Publication date: February 11, 2010Applicant: BASF SE Patent, Trademarks and LicensesInventors: Klaus Hahn, Benjamin Nehls, Bernhard Schmied, Michael Riethues, Andreas Keller, Volker Warzelhan
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Publication number: 20100029824Abstract: Molding compositions comprising at least one styrene polymer and comprising at least one zeolitic material of MFI structure type, a process for removal of styrene monomer from styrene polymer, and the use of at least one zeoltic material of MFI structure type for removal of styrene monomer from a molding composition comprising styrene polymer.Type: ApplicationFiled: November 27, 2007Publication date: February 4, 2010Applicant: BASF SE Patents, Trademark and LicensesInventors: Melanie Steigelmann, Philippe Desbois, Norbert Niessner, Davy Roger Suwier, Ulrich Müller
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Publication number: 20100009094Abstract: Method for producing structured electrically conductive surfaces on a substrate, which comprises the following steps: a) structuring a base layer containing electrolessly and/or electrolytically coatable particles on the substrate by ablating the base layer according to a predetermined structure with a laser, b) activating the surface of the electrolessly and/or electrolytically coatable particles and c) applying an electrically conductive coating onto the structured base layer.Type: ApplicationFiled: January 17, 2008Publication date: January 14, 2010Applicant: BASF SE Patents, Trademarks and LicensesInventors: Rene Lochtman, Jürgen Kaczun, Norbert Wagner, Jürgen Pfister
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Publication number: 20090320682Abstract: The invention relates to an absorbent, comprising an aqueous solution (A) of at least one amino acid salt of the formula (I), wherein R1 and R2 independently from each other represent alkyl or hydroxyalkyl, R is hydrogen, alkyl or hydroxyalkyl, or a group R together with R1 is alkylene, M is an alkali metal, and n an integer from 1 to 6, and (B) of at least one primary alkanolamine, which is substantially free of inorganic alkaline salts. The absorbent is used in a method for removing carbon dioxide from a gas flow, particularly combustion exhaust gases. Preferred amino acid salts (A) are N,N-dimethylamino acetic acid potassium salt, N,N-diethylamino acetic acid potassium salt and N-ethyl-N-dimethylamino acetic acid-potassium salt. Preferred alkanolamines (B) are 2-aminoethanol, 3-aminopropanol, 4-aminobutanol, 2-aminobutanol, 5-aminopentanol, 2-aminopentanol and 2-(2-aminoethoxy)ethanol.Type: ApplicationFiled: August 27, 2007Publication date: December 31, 2009Applicant: BASF SE Patents, Trademarks and LicensesInventors: Rupert Wagner, Ute Lichtfers, Volker Schuda
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Publication number: 20090324839Abstract: Process for passivating metallic surfaces, and a preparation suitable for implementing the process, comprising at least water, an acid, and a copolymer of functionalized (meth)acrylic esters, monomers containing phosphoric and/or phosphonic acid groups, monomers having COOH groups, and, if appropriate, further monomers. Copolymer which comprises said monomers.Type: ApplicationFiled: July 18, 2007Publication date: December 31, 2009Applicant: BASF SE Patents, Trademarks and LicensesInventors: Frank Klippel, Alexander Göthlich, Gunnar Schornick, Dietrich Fehringer, Thomas Heidenfelder, Helmut Witteler, Walter Bertkau
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Publication number: 20090275724Abstract: Process for preparing polyoxymethylenes by polymerization of the monomers a) in the presence of cationically active initiators b) and, if appropriate in the presence of regulators c) and subsequent deactivation d) and discharge from the reactor, wherein at least one ionic liquid is used as initiator b).Type: ApplicationFiled: September 7, 2007Publication date: November 5, 2009Applicant: BASF SE Patents ,Trademarks and LicensesInventors: Karthikeyan Sharavanan, Kathrin Wissel
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Publication number: 20090256111Abstract: The present invention relates to new dialkylborane amine complexes, a process for the synthesis of new dialkylborane amine complexes, solutions comprising new dialkylborane amine complexes and a method of using new dialkylborane amine complexes for organic reactions.Type: ApplicationFiled: November 5, 2007Publication date: October 15, 2009Applicant: BASF SE Patents, Trademarks and LicensesInventor: Elizabeth Burkhardt
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Publication number: 20090121181Abstract: Process for the preparation of etherified melamine/formaldehyde condensates, in which first a methylolation of melamine with a formaldehyde component in the molar ratio of from 1:6 to 1:15, preferably at a pH of >7, is carried out. This is followed by an etherification of the resulting hydroxymethylation intermediate in the presence of a C1-C20-alkyl, preferably of a C1-C6-alcohol, particularly preferably of a C1-C4-alcohol, at a pH of <4.5, and subsequently by at least one distillation step in order to remove in particular methanol from the system, the pH of >9.5 being established before, during and/or after the distillation. According to the invention, a plurality of hydroxymethylation, etherification and distillation steps follow in order to achieve an etherified melamine/formaldehyde condensate which is distinguished by a high degree of hydroxymethylation, a high solids content and a low viscosity.Type: ApplicationFiled: December 7, 2006Publication date: May 14, 2009Applicant: BASF SE Patents and Trademarks and LicensesInventors: Andreas Eichfelder, Rainer Erhardt, Martin Reif, Eva Ruba, Gunter Scherr, Jorg Schneider, Dieter Weilacher
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Publication number: 20090012222Abstract: A thermoplastic molding composition comprising A) 2.5 to 50 wt. % of a rubber modified styrenic resin; B) 50 to 97.5 wt. % of a polycarbonate resin; C) 0.001 to 1 wt. % of an inorganic boron compound; D) 0 to 25 wt. % of further polymer resins; and E) 0 to 45 wt. % additives, shows excellent thermal stability at high temperatures and impact resistance, and no thermal discolouration during processing.Type: ApplicationFiled: January 24, 2007Publication date: January 8, 2009Applicant: BASF SE Patents, Trademarks and LicensesInventors: Wil Duijzings, Davy Roger Suwier, Martin Weber, Michel Pepers
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Publication number: 20090005600Abstract: A process for producing a shaped body comprising a microporous material and at least one silicon-comprising binder, which comprises the steps (I) preparation of a mixture comprising the microporous material, the binder and a lubricant, (II) mixing and densification of the mixture, (III) shaping of the densified mixture to give a shaped body and (IV) calcination of the shaped body, wherein a silicone resin having a softening point of ?30° C. is used as binder, shaped bodies which can be produced by this process, their use as catalyst, in particular in organic synthesis and very particularly preferably in a process for preparing methylamines.Type: ApplicationFiled: December 5, 2006Publication date: January 1, 2009Applicant: BASF SE Patents, Trademarks and LicensesInventors: Marco Bosch, Jan Eberhardt, Roderich Rottger