Patents Assigned to BASF
  • Patent number: 6538057
    Abstract: 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: Grant
    Filed: May 21, 1998
    Date of Patent: March 25, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerald Wildburg, Dieter Urban, Georg Langhauser, Karl-Heinz Schumacher, Oliver Hartz, Eckehardt Wistuba
  • Patent number: 6538046
    Abstract: 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: Grant
    Filed: July 11, 2000
    Date of Patent: March 25, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Paulus, Werner Lebkücher, Klaus Menzel, Wolfgang Reich
  • Patent number: 6537331
    Abstract: 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: Grant
    Filed: June 5, 2000
    Date of Patent: March 25, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl Siemensmeyer, Bernd Siegel, Volker Bach, Manfred Herrmann, Günther König, Rüdiger Sens
  • Patent number: 6537989
    Abstract: 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: Grant
    Filed: April 2, 2001
    Date of Patent: March 25, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: 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
  • Patent number: 6537512
    Abstract: 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: Grant
    Filed: January 17, 2001
    Date of Patent: March 25, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Holger Friedrich, Joachim Simon
  • Patent number: 6538139
    Abstract: 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: Grant
    Filed: September 5, 2002
    Date of Patent: March 25, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Martin Schäfer, Arnd Böttcher, Andreas Kramer, Arthur Höhn, Reinhard Kaczmarek, Erhard Henkes
  • Patent number: 6538135
    Abstract: 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: Grant
    Filed: September 28, 2001
    Date of Patent: March 25, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans Rupert Merkle, Klaus Herbig, Erich Fretschner, Helmut Fröhlich
  • Patent number: 6538067
    Abstract: Interpolymer of a polymer of unsaturated olefinically monomers without carboxylic groups and a polymeric surface active agent.
    Type: Grant
    Filed: August 9, 2001
    Date of Patent: March 25, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Katrin Zeitz, Reinhold Dieing, Axel Sanner
  • Patent number: 6538054
    Abstract: 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: Grant
    Filed: April 14, 1999
    Date of Patent: March 25, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Martin Klatt, Brigitte Gareiss, Motonori Yamamoto, Herbert Fisch, Michael Nam, Thomas Heitz, Bernd Leutner
  • Patent number: 6538094
    Abstract: 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: Grant
    Filed: February 7, 2001
    Date of Patent: March 25, 2003
    Assignee: BASF Corporation
    Inventor: Charles L. Tazzia
  • Patent number: 6538096
    Abstract: 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: Grant
    Filed: January 30, 2001
    Date of Patent: March 25, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Bruchmann, Günter Mohrhardt, Hans Renz, Joachim Jähme
  • Patent number: 6538168
    Abstract: 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: Grant
    Filed: July 6, 2000
    Date of Patent: March 25, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Schwab, Michael Schulz, Ralf Schulz, Sylvia Huber
  • Publication number: 20030055069
    Abstract: The novel compounds of formula I: 1
    Type: Application
    Filed: April 23, 2001
    Publication date: March 20, 2003
    Applicant: BASF Aktiengesellschaft
    Inventors: Klaus-Juergen Pees, Guenter Krummel, Henry Van Tuyl Cotter, Guido Albert, Annerose Rehnig, Leslie May, Waldemar Pfrengle
  • Patent number: 6534444
    Abstract: 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: Grant
    Filed: December 12, 2000
    Date of Patent: March 18, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Sievernich, Max Landes, Elmar Kibler, Wolfgang von Deyn, Helmut Walter, Martina Otten, Karl-Otto Westphalen, Herve Vantieghem
  • Patent number: 6534680
    Abstract: 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: Grant
    Filed: October 27, 1999
    Date of Patent: March 18, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Rauls, Dieter Baumann, Hermann Wistuba, Bernhard Otto
  • Patent number: 6535283
    Abstract: 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: Grant
    Filed: December 3, 1999
    Date of Patent: March 18, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Camiel Heffels, Thomas Beuermann, Matthias Rädle, Benno Sens, Alfred Rennig, Jürgen Ettmüller
  • Patent number: 6534588
    Abstract: 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: Grant
    Filed: June 22, 2001
    Date of Patent: March 18, 2003
    Assignee: BASF Coatings AG
    Inventors: Wilma Löcken, Heinz-Peter Rink
  • Patent number: 6534492
    Abstract: 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: Grant
    Filed: May 4, 2001
    Date of Patent: March 18, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Marianne Carlsen, Michael Anthony Guaciaro, James Jan Takasugi
  • Patent number: 6534556
    Abstract: 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: Grant
    Filed: February 20, 2001
    Date of Patent: March 18, 2003
    Assignee: BASF Corporation
    Inventors: Chris Lacarte, Greg Gardin, Thomas Harris
  • Patent number: 6533916
    Abstract: 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: Grant
    Filed: March 13, 2000
    Date of Patent: March 18, 2003
    Assignees: 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