Patents Assigned to BASF
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Patent number: 6538057Abstract: Adhesives comprising: a) from 5.0 to 95.0% by weight of an adhesive dispersion having a viscosity in the range from 2000 to 10,000 mpPa·s, which comprises (a1) an aqueous polymer dispersion which is obtainable by free-radical polymerization of a mixture M which comprises at least one ethylenically unsaturated monomer A to give a polymer P in the presence of at least one protective colloid-based on a water-soluble prepolymer which comprises at least one water-soluble monomer B, and further additives if desired, (a2) if desired, a base selected from the group consisting of alkali metal.hydroxides, ammonia and volatile organic amines, (a3) if desired, a completely water-miscible organic solvent, and, further additives; (b) from 0 to 90.0% by weight of a polysaccharide and/or a protein and/or a protein degradation product; (c) from 0 to 95.0% by weight of at least one filler; (d) from 0 to 10.0% by weight of at least one emulsifier; (e) from 0 to 30.Type: GrantFiled: May 21, 1998Date of Patent: March 25, 2003Assignee: BASF AktiengesellschaftInventors: Gerald Wildburg, Dieter Urban, Georg Langhauser, Karl-Heinz Schumacher, Oliver Hartz, Eckehardt Wistuba
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Patent number: 6538046Abstract: The present invention provides a curable polyurethane polymer containing in copolymerized form A) from 10 to 60% by weight of at least one hydroxyl-containing prepolymer having at least one &agr;,&bgr;-ethylenically unsaturated double bond, B) from 0.1 to 30% by weight of at least one compound having at least one isocyanate-reactive hydroxyl group and/or primary or secondary amino group and, in addition, at least one polar functional group per molecule, C) from 0.Type: GrantFiled: July 11, 2000Date of Patent: March 25, 2003Assignee: BASF AktiengesellschaftInventors: Wolfgang Paulus, Werner Lebkücher, Klaus Menzel, Wolfgang Reich
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Patent number: 6537331Abstract: Dye preparations comprising, based in each case on the weight of the preparation, from 0.1 to 30% by weight of one or more dyes from the class of the mono- or polyazo dyes containing no acidic groups, from 0.1 to 20% by weight of a dispersant based on an arylsulfonic acid-formaldehyde condensate or from 0.1 to 20% by weight of a water-soluble dispersant based on alkoxylated phenols with or without water, and their use as inks in the inkjet process and for textile sublimation transfer printing.Type: GrantFiled: June 5, 2000Date of Patent: March 25, 2003Assignee: BASF AktiengesellschaftInventors: Karl Siemensmeyer, Bernd Siegel, Volker Bach, Manfred Herrmann, Günther König, Rüdiger Sens
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Patent number: 6537989Abstract: The present invention relates to azadioxacycloalkenes of the formula I in which the substituents R1 to R5 and X, the index n and the bridge member W have the following meanings: R1 is C1-C4-alkyl, halogen, C1-C4-haloalkyl, C3-C6-cycloalkyl; R2 is C1-C4-alkyl, C1-C4-haloalkyl, C3-C4-alkenyl, C3-C4-haloalkenyl, C3-C4-alkynyl or C3-C4-haloalkynyl; R3 is hydrogen, C1-C4-alkyl, C1-C4-haloalkyl or unsubstituted or substituted phenyl; R4 is ═CRaRb, —CRd═CRaRb or ═N—ORc, where Ra, Rb, Rc and Rd are each as defined in claim 1; R5 is nitro, cyano, halogen, C1-C6-alkyl or, in the case that n is 2, additionally a bridge which is attached to two adjacent ring atoms; n is 0, 1, 2, 3 or 4, where the substituents R1 may be different if n is greater than 1; X is C1-C4-alkoxy-N═, C1-C4-alkoxy-CH═ or R6—CH═, where R6 is as defined in claim 1 W is unsubstituted or substituted C1-C3-alkylene.Type: GrantFiled: April 2, 2001Date of Patent: March 25, 2003Assignee: BASF AktiengesellschaftInventors: Markus Gewehr, Wassilios Grammenos, Hubert Sauter, Herbert Bayer, Andreas Gypser, Bernd Müller, Arne Ptock, Oliver Cullmann, Thomas Grote, Eberhard Ammermann, Gisela Lorenz, Siegfried Strathmann, Volker Harries
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Patent number: 6537512Abstract: Highly pure LiBF4 is prepared by preparing a solution of BF3 etherate in diethyl ether, suspending LiF in this solution, reacting to give solid LiBF4, and then separating off the solid LiBF4 formed. The LiBF4 prepared is used for producing lithium ion batteries.Type: GrantFiled: January 17, 2001Date of Patent: March 25, 2003Assignee: BASF AktiengesellschaftInventors: Holger Friedrich, Joachim Simon
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Patent number: 6538139Abstract: Pyrroles of the formula (I) are prepared by dehydrogenating pyrrolidines of the formula (II) where R1 and R2, independently of one another, are hydrogen or an aliphatic radical of 1 to 6 carbon atoms, or pyridines of the formula (III) are prepared by dehydrogenating piperidines of the formula (IV) where R3, R4 and R5, independently of one another, are hydrogen or an aliphatic radical of 1 to 6 carbon atoms, in the presence of a supported noble metal catalyst, by a process in which the dehydrogenation is carried out in the presence of from 1 to 50% by weight, based on the pyrrolidine or piperidine and water, of water.Type: GrantFiled: September 5, 2002Date of Patent: March 25, 2003Assignee: BASF AktiengesellschaftInventors: Martin Schäfer, Arnd Böttcher, Andreas Kramer, Arthur Höhn, Reinhard Kaczmarek, Erhard Henkes
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Patent number: 6538135Abstract: In a process for preparing 4-amino-5-chloro-1-phenylpyridazin-6-one by reacting 4,5-dichloro-1-phenylpyridazin-6-one with aqueous ammonia in the presence of a catalyst, the catalyst used is soluble in the aqueous alkaline reaction medium but is essentially insoluble in the reaction medium which has been acidified after removal of the 4-amino-5-chloro-1-phenylpyridazin-6-one. The process of the present invention makes it possible for the catalyst to be recovered and reused in a simple manner.Type: GrantFiled: September 28, 2001Date of Patent: March 25, 2003Assignee: BASF AktiengesellschaftInventors: Hans Rupert Merkle, Klaus Herbig, Erich Fretschner, Helmut Fröhlich
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Patent number: 6538067Abstract: Interpolymer of a polymer of unsaturated olefinically monomers without carboxylic groups and a polymeric surface active agent.Type: GrantFiled: August 9, 2001Date of Patent: March 25, 2003Assignee: BASF AktiengesellschaftInventors: Katrin Zeitz, Reinhold Dieing, Axel Sanner
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Patent number: 6538054Abstract: Thermoplastic molding compositions comprise A) from 30 to 96% by weight of a polyester B) from 1 to 30% by weight of melamine cyanurate C) from 1 to 30% by weight of at least one phosphorus-containing flame retardant D) from 0.01 to 5% by weight of at least one ester or amide derived from a saturated or unsaturated aliphatic carboxylic acid having from 10 to 40 carbon atoms and a saturated aliphatic alcohol or &mine having from 2 to 40 carbon atoms E) from 0 to 60% by weight of other additives and processing aids where the total of the percentages by weight of components A) to E) is 100%.Type: GrantFiled: April 14, 1999Date of Patent: March 25, 2003Assignee: BASF AktiengesellschaftInventors: Martin Klatt, Brigitte Gareiss, Motonori Yamamoto, Herbert Fisch, Michael Nam, Thomas Heitz, Bernd Leutner
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Patent number: 6538094Abstract: The invention provides a process for preparing an allophanate-containing compound in the presence of a metal catalyst and a tertiary amine. In a preferred process, the tertiary amine compound also has a hydroxyl group. The hydroxyl group can react with the isocyanate functionality. Also disclosed is a process in which an allophanate-containing compound is prepared with copper acetate monohydrate as a catalyst. The allophanate-containing compound is used as a curing agent in coating compositions, particularly electrocoat coating compositions. The coating compositions are used to coat articles.Type: GrantFiled: February 7, 2001Date of Patent: March 25, 2003Assignee: BASF CorporationInventor: Charles L. Tazzia
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Patent number: 6538096Abstract: Mixtures comprise a) polyisocyanates (polyisocyanates A), comprising structural units selected from the isocyanurate and biuret group, derived from aliphatic or cycloaliphatic diisocyanates (diisocyanates C), b) non-A polyisocyanates (polyisocyanates B), comprising structural units selected from the allophanate and urethane group, derived from b1) aliphatic or cycloaliphatic diisocyanates (diisocyanates C) and b2) polyhydric aliphatic or cycloaliphatic alcohols (alcohols A), the molar ratio of the polyisocyanates A to the polyisocyanates B being from 200:1 to 5:1.Type: GrantFiled: January 30, 2001Date of Patent: March 25, 2003Assignee: BASF AktiengesellschaftInventors: Bernd Bruchmann, Günter Mohrhardt, Hans Renz, Joachim Jähme
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Patent number: 6538168Abstract: A process for preparing C5/C6-olefins from an olefinic starting stream comprising C4-hydrocarbons comprises a) carrying out a metathesis reaction in the presence of a metathesis catalyst so as to convert the 1-butene, 2-butene and isobutene present in the starting stream into a mixture of C2-C6-olefins and butanes, b) firstly fractioning the resulting product stream by distillation to give a low boiler fraction A comprising C2-C4-olefins and butanes or C2-C3-olefins, which is discharged, and a high boiler fraction comprising C4-C8-olefins and butanes, c) fractioning the high boiler fraction from b) by distillation to give a low boiler fraction B comprising butenes and butanes, an intermediate boiler fraction C comprising pentene and methylbutene and a high boiler fraction D comprising hexane and methylpentene, d) where all or part of the fraction B and/or C are recirculated to the process step a) and the fraction D is discharged as product.Type: GrantFiled: July 6, 2000Date of Patent: March 25, 2003Assignee: BASF AktiengesellschaftInventors: Peter Schwab, Michael Schulz, Ralf Schulz, Sylvia Huber
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Publication number: 20030055069Abstract: The novel compounds of formula I: 1Type: ApplicationFiled: April 23, 2001Publication date: March 20, 2003Applicant: BASF AktiengesellschaftInventors: Klaus-Juergen Pees, Guenter Krummel, Henry Van Tuyl Cotter, Guido Albert, Annerose Rehnig, Leslie May, Waldemar Pfrengle
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Patent number: 6534444Abstract: A synergistic herbicidal mixture comprising A) at least one benzoyl compound of formula I or a salt thereof wherein R1, R3 are hydrogen, halogen, alkyl, halogenalkyl, alkoxy, halogenalkoxy, alkylthio, alkylsulfinyl or alkylsulfonyl; R2 is optionally substituted thiazol-2-yl, thiazol-4-yl, thiazol-5-yl, isoxazol-3-yl, isoxazol-4-yl, isoxazol-5-yl, 4,5-dihydroisoxazol-3-yl, 4,5-dihydroisoxazol-4-yl or 4,5-dihydroisoxazol-5-yl; R4 is hydrogen, halogen or alkyl; R5 is alkyl; R6 is hydrogen or alkyl; and, B) a synergistically effective amount of at least one further herbicidal compound as defined in the specification, compositions comprising these mixtures, processes for the preparation of these compositions, and their use for controlling undesired plants.Type: GrantFiled: December 12, 2000Date of Patent: March 18, 2003Assignee: BASF AktiengesellschaftInventors: Bernd Sievernich, Max Landes, Elmar Kibler, Wolfgang von Deyn, Helmut Walter, Martina Otten, Karl-Otto Westphalen, Herve Vantieghem
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Patent number: 6534680Abstract: Dicarboxylic acid crystals are prepared from a solution containing at least one organic dicarboxylic acid in a process in which at least one anionic polyelectrolyte having a molecular weight of at least 2000 is added to the solution before or during the crystallization.Type: GrantFiled: October 27, 1999Date of Patent: March 18, 2003Assignee: BASF AktiengesellschaftInventors: Matthias Rauls, Dieter Baumann, Hermann Wistuba, Bernhard Otto
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Patent number: 6535283Abstract: The disclosure is a probelike apparatus (16) for spectroscopic analysis of a fluid medium (19) by attenuated reflection. Two light beams from a light source (11) impinge upon the boundary (18) between a prism (17) and the medium (19) to be analyzed and the intensities of the light beams reflected at the boundary are measured in a detector unit (22). The two light beams differ in their angle of incidence on the boundary and/or in their polarization state. Measurement is preferably carried out under total reflection.Type: GrantFiled: December 3, 1999Date of Patent: March 18, 2003Assignee: BASF AktiengesellschaftInventors: Camiel Heffels, Thomas Beuermann, Matthias Rädle, Benno Sens, Alfred Rennig, Jürgen Ettmüller
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Patent number: 6534588Abstract: A coating composition consisting of at least three components, comprising a component (I) comprising at least one oligomeric or polymeric resin containing functional groups which react with isocyanate groups, as binder (A), a component (II) comprising at least one polyisocyanate as crosslinking agent (F), and a component (III) which consists of water or comprises water and at least one binder (A), wherein component (I) and/or (III) comprise or comprises at least one branched, cyclic and/or acyclic C9-C16-alkane which is functionalized using at least two hydroxyl groups.Type: GrantFiled: June 22, 2001Date of Patent: March 18, 2003Assignee: BASF Coatings AGInventors: Wilma Löcken, Heinz-Peter Rink
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Patent number: 6534492Abstract: Novel uracil substituted phenyl sulfamoyl carboxamides I and salts thereof, where A=oxygen or sulfur; X1=H, halogen, C1-C4-alkyl; X2=H, CN, CS—NH2, halogen, C1-C4-alkyl, C1-C4-haloalkyl; X3=H, CN, C1-C6-alkyl, C1-C6-alkoxyalkyl, C3-C7-cycloalkyl, C3-C6-alkenyl, C3-C6-alkynyl, optionally substituted benzyl; R1, R2=H, halogen, optionally substituted hydroxy, C1-C10-alkyl, C2-C10-alkenyl, C3-C10-alkynyl, C3-C7-cycloalkyl, phenyl, benzyl or C5-C7-cycloalkenyl, or R1+R2 together with the atom to which they are attached form 3- to 7-membered heterocyclic ring; Q is selected from Q1 to Q40 as defined in the description. Use: As herbicides; for the desiccation/defoliation of plants.Type: GrantFiled: May 4, 2001Date of Patent: March 18, 2003Assignee: BASF AktiengesellschaftInventors: Marianne Carlsen, Michael Anthony Guaciaro, James Jan Takasugi
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Patent number: 6534556Abstract: A formulated resin composition for producing a closed cell rigid polyisocyanate based foam is disclosed. The formulated resin composition for use in a polyurethane froth spraying system includes a hydrofluorocarbon blowing agent, a Mannich polyol, at least one additional polyol, a catalyst system, and a surfactant. The formulated resin composition has a hydroxyl content of at least 400 mg KOH/g and a polyurethane foam produced utilizing the formulated resin composition has a closed cell content of at least 90 percent. The formulated resin composition exhibits a zero ozone depleting potential and produces a polyurethane foam that cures faster than conventional sprayed polyurethane foams.Type: GrantFiled: February 20, 2001Date of Patent: March 18, 2003Assignee: BASF CorporationInventors: Chris Lacarte, Greg Gardin, Thomas Harris
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Patent number: 6533916Abstract: An electrode consisting of a substrate and a diamond layer applied to the substrate, in which the applied diamond layer is pore-free, and a process for producing a diamond-coated electrode, in which the process comprises at least the following steps: a) cleaning the surface of the substrate; b) seeding the surface of the substrate with a high diamond nucleation density; c) coating the surface of the substrate with diamond.Type: GrantFiled: March 13, 2000Date of Patent: March 18, 2003Assignees: BASF Aktiengesellschaft, Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.Inventors: Hermann Puetter, Andreas Weiper-Idelmann, Claudia Merk, Matthias Fryda, Claus-Peter Klages, Lothar Schaefer, Alexander Hampel