Abstract: In the continuous process for preparing alkylamines by reacting C1-4-alkanols with ammonia in the gas phase in the presence of a shape-selective fixed-bed catalyst in a cooled reactor, the shape-selective fixed-bed catalyst is present in a single contiguous fixed bed in the reactor and tubes through which coolants are passed run within the fixed bed to regulate the temperature of the fixed bed.
Type:
Grant
Filed:
October 27, 2008
Date of Patent:
May 11, 2010
Assignee:
BASF SE
Inventors:
Marco Bosch, Roderich Röttger, Bernd Stein, Thomas Krug, Johann-Peter Melder, Theodor Weber
Abstract: A process for removing trioxane from a use stream I of formaldehyde, trioxane and water, by a) providing a use stream I of formaldehyde as the main component and trioxane and water as the secondary components, b) mixing the use stream I with a recycle stream VII to obtain a feed stream Ia, c) distilling the use stream Ia in a first distillation stage to obtain a stream II of formaldehyde as the main component and water as the secondary component, and a stream III of trioxane as the main component and water and formaldehyde as the secondary components, d) distilling the stream III in a second distillation stage having a pressure higher than in the first distillation stage, to obtain a stream IV of trioxane and a stream V of trioxane as the main component and water and formaldehyde as the secondary components, e) distilling the stream V in a third distillation stage to obtain a stream VI of water and the recycle stream VII of trioxane as the main component and water and formaldehyde as the secondary components
Type:
Grant
Filed:
December 21, 2004
Date of Patent:
May 11, 2010
Assignee:
BASF Aktiengesellschaft
Inventors:
Markus Siegert, Neven Lang, Eckhard Ströfer, Achim Stammer, Thorsten Friese, Hans Hasse
Abstract: Processes for preparing a C5 aldehyde and propene are disclosed, the processes comprising: (a) providing a feedstream, the feedstream comprising butane, 1-butene, 2-butene and 1,3-butadiene, the 1,3-butadiene present in the feedstream in an amount up to 1000 ppm; (b) contacting the feedstream with hydrogen and carbon monoxide in the presence of a hydroformylation catalyst to form a 2-butene-rich butane stream and a C5 aldehyde; (c) separating the 2-butene-rich butane stream and the C5 aldehyde; and (d) contacting the 2-butene-rich butane stream with ethene in the presence of a metathesis catalyst to form a propene-containing hydrocarbon stream.
Type:
Grant
Filed:
August 6, 2005
Date of Patent:
May 11, 2010
Assignee:
BASF SE
Inventors:
Marcus Sigl, Markus Schubert, Jürgen Stephan, Rainer Papp, Frank Poplow
Abstract: The present invention relates to aqueous liquid formulations comprising 5-30% by weight of a dye composition comprising 25-85% by weight of Direct Brown 44 15-75% by weight of Direct Yellow 11 and/or of a dye obtainable by reduction or thermal treatment of Direct Yellow 11 0-15% by weight of one or more blue direct dyes and 0-10% by weight of one or more red direct dyes all based on the dye composition 0.5-15% by weight of one or more alkylamines whose one, two or three alkyl radicals may each be substituted by one or two hydroxyl groups and/or amino groups and/or interrupted by one or two oxygen atoms in ether function, based on the total weight of the aqueous liquid formulation, the sodium content of the liquid formulation not exceeding 0.3% by weight, and also their use for dyeing cellulose material especially paper.
Type:
Grant
Filed:
November 13, 2006
Date of Patent:
May 11, 2010
Assignee:
BASF Aktiengesellschaft
Inventors:
Ingo Klopp, Karl-Heinz Etzbach, Helmut Reichelt
Abstract: Shaped articles of melamine/formaldehyde foam have a formaldehyde emission of less than 0.1 ppm, determined according to DIN 55666, and are obtainable by the following process: a) a foam is prepared from a melamine/formaldehyde precondensate having a molar melamine: formaldehyde ratio greater than 0.5, b) the foam obtained is annealed at below 200° C., and c) the annealed foam is molded in a press at from 160 to 240° C. and an absolute pressure from 5 to 100 bar in the course of from 15 to 120 seconds to give the shaped article.
Abstract: The present invention relates to a process for purifying a composition (I) comprising at least one cyclic ketone having from 7 to 16 carbon atoms, which comprises thermal treatment of the composition (I) with at least one acid and further purification by means of a process selected from the group consisting of distillation, extraction and crystallization, Furthermore, the present invention relates to a process for preparing cyclododecanone, which comprises such a purification, and the use of at least one acid for purifying a composition (I) comprising at least one cyclic ketone having from 7 to 16 carbon atoms by thermal treatment of the composition (I) with the acid.
Type:
Grant
Filed:
June 27, 2007
Date of Patent:
May 11, 2010
Assignee:
BASF SE
Inventors:
Rolf Pinkos, Gerd Tebben, Alexander Hauk, Christian Müller, Harald Rust
Abstract: The present invention relates to a process for preparing a cyclic ketone having from 7 to 16 carbon atoms, which comprises at least the steps (a) oxidation of a composition (I) comprising at least one cyclic alkene which has from 7 to 16 carbon atoms and at least one C—C double bond by means of dinitrogen monoxide to give a composition (A), (b) treatment of the composition (A) with at least one base to give a composition (B), (c) hydrogenation of the composition (B) in the presence of at least one catalyst to give a composition (C), (d) purification of the composition (C), comprising at least the steps (di) thermal treatment of the composition (C) with at least one acid or at least one catalyst comprising at least one transition metal, (dii) further purification by a method selected from the group consisting of distillation, extraction and crystallization.
Type:
Grant
Filed:
June 27, 2007
Date of Patent:
May 11, 2010
Assignee:
BASF SE
Inventors:
Joaquim Henrique Teles, Beatrice Röβler, Rolf Pinkos, Gerd Tebben, Christian Müller, Harald Rust
Abstract: A method for producing film-forming materials including resins and/or crosslinkers having a —Si(OR)3 group. Methods of producing coating compositions and coating a substrate, such as a metal substrate, by electrodeposition. Applied coatings containing the film-forming materials can be cured to form crosslinked films on substrates.
Abstract: A description is given of the use of naphthalene-1,8-dicarboxylic monoimides of the formula (I), in which R1 is hydrogen, alkyl, alkenyl, cycloalkyl, cycloalkenyl, heterocycloalkyl, aryl or heteroaryl and R2 is a radical containing at least one ? electron system containing a carbon atom and at least one further atom selected from carbon, oxygen, and nitrogen, with the proviso that the radical contains at least one atom other than carbon; to protect organic material from the damaging effects of light, of compositions which comprise at least one naphthalene-1,8-dicarboxylic monoimide of the formula (I) in an amount which provides protection from the damaging effects of light, and at least one organic material, and of new naphthalene-1,8-dicarboxylic monoimides (I).
Type:
Grant
Filed:
November 12, 2004
Date of Patent:
May 11, 2010
Assignee:
BASF Akitengesellschaft
Inventors:
Simon Schambony, Alban Glaser, Ruediger Sens, Arno Boehm, Helmut Reichelt
Abstract: A transgenic plant transformed by a GTP Binding Stress-Related Protein (GBSRP) coding nucleic acid, wherein expression of the nucleic acid sequence in the plant results in increased tolerance to environmental stress as compared to a wild type variety of the plant. Also provided are agricultural products, including seeds, produced by the transgenic plants. Also provided are isolated GBSRPs, and isolated nucleic acid coding GBSRPs, and vectors and host cells containing the latter.
Type:
Grant
Filed:
September 5, 2008
Date of Patent:
May 11, 2010
Assignee:
BASF Plant Science GmbH
Inventors:
Oswaldo da Costa e Silva, Nocha Van Thielen, Ruoying Chen, Hans Bohnert
Abstract: A process for preparing compounds of the general formula (I) by reacting the compound of the general formula (II) where L, L? are the same or different and are each independently Cl or OH in the presence of a. chlorine compounds Cl-M2R1R2R3, Cl-M3R4R5R6, with the proviso that L and L? are not both simultaneously OH, or b. hydroxyl compounds HO-M2R1R2R3, HO-M3R4R5R6. The use of compounds of the general formula (I) as markers for liquids and a process for detecting markers in liquids.
Type:
Application
Filed:
March 31, 2008
Publication date:
May 6, 2010
Applicant:
BASF SE
Inventors:
Thomas Gessner, Ruediger Sens, Wolfgang Ahlers, Christos Vamvakaris
Abstract: Thermoplastic moulding compositions comprising the following components: 5-95% of a copolymer A consisting of: 70-76% of vinylaromatic monomer(s) A1, 24-30% of vinyl cyanide monomer component(s) A2 and 0-50% of one or more unsaturated copolymerizable monomers A3, 0-60% of a graft rubber B and 5-50% of thin glass fibers C are advantageously used for injection moulding.
Type:
Application
Filed:
March 20, 2008
Publication date:
May 6, 2010
Applicant:
BASF SE
Inventors:
Norbert Niessner, Kyung Ho Shon, Ravi Ponnuswamy
Abstract: Catalysts, methods, and systems for treating diesel engine exhaust streams are described. In one or more embodiments, the catalyst comprises a molecular sieve having a silica to alumina ratio (SAR) less than about 30, the molecular sieve including ion-exchanged copper and ion-exchanged platinum. Systems including such catalysts and methods of treating exhaust gas are also provided.
Abstract: A process for preparing water-absorbing polymer particles by coating water-absorbing polymer particles with a particulate solid in a mixer, wherein the particulate solid is dispersed by means of a gas stream and the supply of the dispersed particulate solid in the mixer ends below the product bed surface.
Type:
Application
Filed:
March 17, 2008
Publication date:
May 6, 2010
Applicant:
BASF SE
Inventors:
Holger Barthel, Martin Wendker, Reiner Witt
Abstract: A process for preparing glucose from a cellulose material, in which a cellulose-comprising starting material is provided and treated with a liquid treatment medium comprising an ionic liquid whose anions are selected from among polyatomic anions and the cellulose-comprising material which has been treated with the ionic liquid is subjected to an enzymatic hydrolysis, is described.
Type:
Application
Filed:
January 22, 2008
Publication date:
May 6, 2010
Applicant:
BASF SE
Inventors:
Tim Balensiefer, Julia Brodersen, Giovanni D'Andola, Klemens Massonne, Stephan Freyer, Weit Stegmann
Abstract: The invention provides transgenic plants that exhibit increased resistance to nematode infection by virtue of overexpression of a gene that encodes trehalase in nematode-induced syncytia. Expression vectors comprising trehalase-encoding polynucleotides and methods of employing such vectors to increase nematode resistance of plants are also provided.
Abstract: Polymeric compositions comprising polyolefins, amphiphilic block copolymers composed of polyisobutene blocks and polyoxyalkylene blocks and also optionally other polymers and/or fillers. Processes for dyeing or for printing such compositions and the use of amphiphilic block copolymers as auxiliaries for dyeing and printing polyolefins.
Type:
Application
Filed:
November 5, 2009
Publication date:
May 6, 2010
Applicant:
BASF Aktiengesellschaft
Inventors:
Claudia Sierakowski, Ulrich Karl, Mijolovic Darijo, Karin Fishl, Michael Faber, Karl Siemensmeyer