Patents Assigned to BASF
  • Low gloss textured powder coating
    Patent number: 6599993
    Abstract: A powder coating composition that includes at least about 9% by weight, based on total vehicle weight, of a branched carboxylic acid-functional polyester having a number average molecular weight of from about 425 to about 1050 and at least one vehicle component reactive with carboxylic acid groups comprising an epoxy-functional material, produces a matte, textured coating.
    Type: Grant
    Filed: October 11, 2000
    Date of Patent: July 29, 2003
    Assignee: BASF Corporation
    Inventors: William C. Norris, Josef Rademacher
  • Coating composition for metallic substrates
    Patent number: 6599965
    Abstract: The invention provides a coating composition for use with metallic substrates that provides a unique balance of required properties. In particular, the coating composition of the invention simultaneously provides desirable levels of adhesion to metal, sandability without the production of harmful dust, corrosion resistance, and recoatability. The coating composition of the invention comprises a polyurethane or epoxy/amine film-forming component, and a corrosion protection component consisting of aluminum selected from the group consisting of nonleafing aluminum pigments, the corrosion protection component being present in the composition in an amount effective to prevent corrosion of the substrate. A cured film of the coating applied to a steel substrate has a pass rating after 480 hours in salt spray per ASTM B117.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: July 29, 2003
    Assignee: BASF Corporation
    Inventors: Matthew T. Lane, David L. Newton
  • Carboxylic acid derivatives, their preparation and use
    Patent number: 6600043
    Abstract: Carboxylic acid derivatives where R-R6, X, Y and Z have the meanings stated in the description, and the preparation thereof, are described. The novel compounds are suitable for controlling diseases.
    Type: Grant
    Filed: December 27, 2000
    Date of Patent: July 29, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Hartmut Riechers, Dagmar Klinge, Wilhelm Amberg, Andreas Kling, Stefan Müller, Ernst Baumann, Joachim Rheinheimer, Uwe Josef Vogelbacher, Wolfgang Wernet, Liliane Unger, Manfred Raschack
  • Photosensitive flexographic printing element having an IR-ablative layer comprising polyether-polyurethanes
    Patent number: 6599679
    Abstract: A photosensitive flexographic printing element for the production of flexographic printing plates by digital imaging by means of lasers which has an IR-ablative layer with a polyether-polyurethane as binder. A process for the production of flexographic printing plates using an element of this type.
    Type: Grant
    Filed: December 3, 2001
    Date of Patent: July 29, 2003
    Assignee: BASF Drucksysteme GmbH
    Inventors: Sabine Philipp, Jürgen Kaczun
  • Latent cross-linking aqueous dispersions comprising a polyurethane
    Patent number: 6599975
    Abstract: Latent-crosslinking aqueous polyurethane dispersions comprising I) a disperse phase (P.I) comprising Ia) a polyurethane (Ia) which carries carbodiimide groups in addition to hydrophilic groups which make it dispersible in water but carries essentially no carboxyl groups or Ib) a physical mixture of Ibi) a polyurethane (Ibi) which carries hydrophilic groups which make it dispersible in water but carries essentially no carbodiimide or carboxyl groups and Ibii) a carbodiimide (Ibii) which carries essentially no hydrophilic groups which make it dispersible in water, and II) a disperse phase (P.II) comprising another polymer (II) which carries carboxyl groups and essentially no carbodiimide groups.
    Type: Grant
    Filed: May 1, 2000
    Date of Patent: July 29, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulrike Licht, Karl Häberle, Eckehardt Wistuba
  • Method for producing 1-substituted 5-hydroxpyrazoles
    Patent number: 6600071
    Abstract: A process for preparing compounds of the formula I in which R1 is hydrogen, an aliphatic group having 1-8 carbon atoms, Cl-C6-alkoxycarbonyl, Cl-C6-alkylthiocarbonyl or a cyclic ring system having 3-14 ring atoms, and R2 is hydrogen, an aliphatic group having 1-8 carbon atoms, or R1 and R2 together with the carbon atom to which they are bound form a cyclic or bicyclic ring system having 3-14 ring atoms, comprises the preparation of compounds of the formula II in which R3 and R4 are readily detachable groups and R1 and R2 are as defined above, as starting materials or intermediates and the cyclization of these under suitable reaction conditions to give compounds of the formula I. The intermediates of the formula II are novel.
    Type: Grant
    Filed: August 27, 2002
    Date of Patent: July 29, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Norbert Götz, Roland Götz, Michael Rack
  • Aqueous polymer dispersion and its use as a water-vapor barrier
    Publication number: 20030139522
    Abstract: An aqueous polymer dispersion whose polymer, present in disperse distribution, is composed in free-radically polymerized form of
    Type: Application
    Filed: November 6, 2002
    Publication date: July 24, 2003
    Applicant: BASF Akiengesellschaft
    Inventors: Markus Koppers, Marco Schmidt, Thomas Anselmann, Juergen Schmidt-Thuemmes, Mike Zott, Eckehardt Wistuba
  • Multicomponent superabsorbent gel particles
    Patent number: 6596921
    Abstract: Multicomponent superabsorbent gel particles are disclosed. The multicomponent particles comprise at least one acidic water-absorbing resin and at least one basic water-absorbing resin. Each particle contains at least one microdomain of the acidic resin in contact with, or in close proximity to, at least one microdomain of the basic resin. Blends of multicomponent superabsorbent gel particles with particles of a second water-absorbing resin also are disclosed. Improved diaper cores containing particles of the multicomponent super-absorbent gel particles also are disclosed.
    Type: Grant
    Filed: June 6, 2001
    Date of Patent: July 22, 2003
    Assignee: Basf Aktiengesellschaft
    Inventors: Thomas W. Beihoffer, Michael A. Mitchell, Mark Anderson, Anthony S. Tomlin
  • Enhancement of the efficacy of benzoylbenzenes
    Patent number: 6596775
    Abstract: The invention relates to method for the enhancement of the activity and/or systemicity of fungicidal compositions containing at least one benzoylbenzene of formula I wherein R1 through R7, m and n are as defined in claim 1, with the aid of one or more adjuvants selected from the group consisting of (a) alkylpolyglycosides, alkenyl succinic acid derivatives, dialkyl sulfosuccinates, polyvinylpyrrolidones, perfluoroalkyl acids derivatives, perfluoro(C3-20)alkyl esters of carboxylic acids, and mixtures thereof; (b) alkoxylated alcohols, amines or acids; (c) water-immiscible polar aprotic solvents; and to the use of such a composition as a fungicide.
    Type: Grant
    Filed: August 28, 2001
    Date of Patent: July 22, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Aven, Henry Van Tuyl Cotter
  • Process for the preparation of 2-aryl-5- (perfluoro-alkyl)pyrrole compounds from N-[1-chloro-1-(perfluoroalkyl)methyl] arylimidoyl chloride compounds
    Patent number: 6596902
    Abstract: There is provided a process for the preparation of 2-aryl-5-(perfluoroalkyl)pyrrole compounds from N-[1-chloro-1-(perfluoroalkyl)methyl]arylimidoyl chloride compounds. The 2-aryl-5-(perfluoroalkyl)pyrrole compounds are useful for the control of insect and acarid pests, and may also be used to prepare other pesticidal arylpyrrole compounds. In addition, the present invention provides compounds which are useful as intermediates in the preparation of arylpyrrole compounds.
    Type: Grant
    Filed: September 20, 2001
    Date of Patent: July 22, 2003
    Assignee: BASF Aktiengesellschaft
    Inventor: Venkataraman Kameswaran
  • Method for purifying acrylic acid and methacrylic acid
    Patent number: 6596901
    Abstract: A process for preparing acrylic acid or methacrylic acid comprises (a) preparing a gaseous product mixture having essentially the composition of a reaction mixture of the catalytic gas phase oxidation of C3-/C4-alkanes, -alkenes, -alkanols and/or -alkanals and/or precursors thereof to form acrylic acid or methacrylic acid, characterized by (b) condensing said product mixture, (c) crystallizing acrylic acid or methacrylic acid from the solution obtained in step (b), and (d) removing the resulting crystals from the mother liquor.
    Type: Grant
    Filed: January 8, 1999
    Date of Patent: July 22, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Eck, Otto Machhammer, Theo Proll, Volker Schliephake, Klaus Joachim Müller-Engel
  • Formaldehyde-free binders for shaped articles
    Patent number: 6596386
    Abstract: A formaldehyde-free aqueous binder comprising A) a free-radically polymerized polymer containing from 5 to 100% by weight of units derived from an ethylenically unsaturated acid anhydride or from an ethylenically unsaturated dicarboxylic acid whose carboxyl groups can form an anhydride group, and B) an alkanolamine having at least two hydroxyl groups, is useful as binder for renewable raw materials in the form of fibers or chips to produce shaped articles.
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: July 22, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Reck, Eckehardt Wistuba, Wilhelm Friedrich Beckerle, Axel Kistenmacher, Robert Rupaner, Rainer Hummerich
  • Purification of N-vinyl-&egr;-caprolactam
    Patent number: 6596862
    Abstract: A process for purifying N-vinyl-&egr;-caprolactam comprises converting the N-vinyl-&egr;-caprolactam which is to be purified and has a purity of at least 95% by weight into a melt, partially crystallizing the melt and separating the crystals from the mother liquor.
    Type: Grant
    Filed: May 23, 2002
    Date of Patent: July 22, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Arnd Böttcher, Rolf Pinkos, Rudolf Erich Lorenz, Heike Becker
  • Multicomponent superabsorbent gel particles
    Patent number: 6596922
    Abstract: Multicomponent superabsorbent gel particles are disclosed. The multicomponent particles comprise at least one acidic water-absorbing resin and at least one basic water-absorbing resin. Each particle contains microdomains of the acidic resin and/or the basic resin homogeneously dispersed throughout the particle.
    Type: Grant
    Filed: June 13, 2001
    Date of Patent: July 22, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas W. Beihoffer, Michael A. Mitchell
  • Stable pharmaceutical dosage form for paroxetin anhydrate
    Patent number: 6596309
    Abstract: Medicaments in the form of soft gelatin capsules contain paroxetin anhydrate or pharmaceutically acceptable salts thereof together with lipophilic carriers, namely silicone oils.
    Type: Grant
    Filed: September 12, 2001
    Date of Patent: July 22, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Heinz Einig, Gerhard Fischer, Alfred Reidelshoefer
  • Immobilizing lipase by adsorption from a crude solution onto nonpolar polyolefin particles
    Patent number: 6596520
    Abstract: Immobilized lipase is prepared by adsorbing lipase from a crude lipase solution onto polyolefin particles such as polypropylene particles which are nonpolar. The crude solution may be a cell-free culture broth. Lipase sources include Pseudomonas burkholderia and Pseudomonas aeruginosa. Uses of the immobilized lipase include enantioselective conversion of substrates such as enantioselective acylating or hydrolyzing.
    Type: Grant
    Filed: July 6, 2000
    Date of Patent: July 22, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Friedrich, Rainer Stürmer
  • Flat element with a cholesteric liquid crystal structure
    Patent number: 6597426
    Abstract: Sheet-like structures obtainable by thermal curing and having a crosslinked cholesteric liquid crystalline ordered structure are suitable, for example, for decorative coatings, for producing security marks, pigmentary particles, polarizers, color filters and IR reflectors.
    Type: Grant
    Filed: March 31, 1999
    Date of Patent: July 22, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl Siemensmeyer, Peter Schuhmacher, Markus Bröcher, Christian Kuckertz, Werner Mormann
  • Thermoplastic molding material exhibiting a high puncturing resistance and a good antistatic behavior
    Patent number: 6596811
    Abstract: The molding composition comprises components A to C and, if desired, D: a: as component A, from 20 to 94% by weight of a hard component made from one or more copolymers of styrene and/or &agr;-methylstyrene with acrylonitrile, where the proportion of acrylonitrile is from 10 to 50% by weight, b: from 5 to 70% by weight of at least one graft copolymer B, made from b1: as component B1, from 10 to 90% by weight of at least one elastomeric particulate graft base with a glass transition temperature below 0° C., and b2: as component B2, from 10 to 90% by weight of at least one graft made from a copolymer of styrene and/or &agr;-methylstyrene with acrylonitrile, where the proportion of acrylonitrile is from 10 to 50% by weight, c: as component C, from 0.
    Type: Grant
    Filed: September 26, 2000
    Date of Patent: July 22, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Barghoorn, Peter Ittemann
  • Basecoat coating composition having low volatile organic content and composite coating prepared therefrom
    Publication number: 20030134970
    Abstract: The invention provides a thermosetting aqueous basecoat coating composition with a pigment to binder ratio of at least about 0.5 that includes a polyurethane polymer, an acrylic polymer, and a crosslinking component that is reactive with at least one of the polyurethane polymer and the acrylic polymer. The polyurethane polymer has a glass transition temperature of 0° C. or less. The acrylic polymer has a glass transition temperature that is at least about 20° C. higher than the glass transition temperature of polyurethane resin. The invention further provides a composite coating on a substrate having as a basecoat layer a cured layer of the basecoat composition of the invention and having at least one clearcoat layer over the basecoat layer.
    Type: Application
    Filed: January 17, 2002
    Publication date: July 17, 2003
    Applicant: BASF CORPORATION
    Inventors: Valerie L. Crumley, Patricia G. O'Callaghan, Timothy P. Kandow
  • Method of preparing granular N-alkyl-ammoniumacetonitrile salts
    Patent number: 6593473
    Abstract: Improved process for the preparation of granular N-alkylammoniumacetonitrile salts I R2R3N+R1—CR4R5—CN Y−  (I) where R1 to R5 are hydrogen or organic radicals, and Y− is a sulfate or hydrogensulfate anion, from an aqueous solution of the compound II R2R3N+R1—CR4R5—CN R6O—SO2—O−  (II) where R6 is C1- to C4-alkyl, which comprises evaporating this aqueous solution at a temperature of from 80° C. to 250° C. and a pressure of from 10 mbar to 2 bar to give a melt, then allowing the melt to solidify, where, during or following the evaporation, customary carrier materials and/or auxiliaries can be added, and the resulting solidified compound I is converted into the desired granular form.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: July 15, 2003
    Assignee: BASF Aktiegesellschaft
    Inventors: Michael Schönherr, Hans-Jürgen Kinder, Klaus Mundinger, Gregor Schürmann