Patents Assigned to BASF
  • Method for producing phthalic anhydride by means of catalytic vapor-phase oxidation of o-xylol/naphthalene mixtures
    Patent number: 6362345
    Abstract: In a process for preparing phthalic anhydride by catalytic gas-phase oxidation of o-xylene/naphthalene mixtures by molecular oxygen, use is made of a catalyst I in a first zone on the gas inlet side which makes up from 25 to 75 percent by volume of the total catalyst volume, comprising, in each case based on the catalytically active composition, from 1 to 10% by weight of vanadium oxide (calculated as V205), from 1 to 10% by weight of antimony oxide (calculated as Sb203) and from 80 to 98% by weight of titanium dioxide of the anatase type having a BET surface area of from 13 to 28 m2/g and also from 0.
    Type: Grant
    Filed: November 15, 2000
    Date of Patent: March 26, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Heidemann, Heiko Arnold, Gerhard Hefele, Herbert Wanjek
  • Method of making ibuprofen and narcotic analgesic composition
    Patent number: 6361794
    Abstract: Provided herein are compositions and methods of making compositions of ibuprofen in combination with a narcotic analgesic. Specifically provided is a pharmaceutical tablet composition comprising ibuprofen; a narcotic analgesic; colloidal silicon dioxide; a filler selected from the group consisting of microcrystalline cellulose and powdered cellulose; a disintegrant selected from the group consisting of croscarmellose sodium, crospovidone, and sodium starch glycolate; a binder consisting of an akylhydroxy methylcellulose; a starch; and a lubricant.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: March 26, 2002
    Assignee: BASF Corporation
    Inventors: Gregory P. Kushla, Jin-Wang Lai, Gerald P. Polli
  • Method for producing expandable styrene polymers
    Patent number: 6362242
    Abstract: Expandable styrene polymers containing graphite particles are prepared by polymerizing styrene in aqueous suspension in the presence of graphite particles and of two peroxides which decompose at different temperatures, by a process in which the peroxide decomposing at the lower temperature forms neither benzoyl nor benzyl radicals on decomposition.
    Type: Grant
    Filed: March 28, 2000
    Date of Patent: March 26, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Guiscard Glück, Klaus Hahn
  • Synergistically active herbicidal mixtures
    Patent number: 6362133
    Abstract: A composition which comprises a) at least one sulfonylurea of the formula I: wherein the radicals R1 to R5 and the index n are as defined in the specification, or an enviromentally compatible salt of the sulfonylurea, and b) at least one herbicidal compound selected from groups b1 to b41 as defined in the specification, or an environmentally compatible salt of the herbicidal compound, and which exhibits a synergistic herbicidal effect.
    Type: Grant
    Filed: March 7, 2000
    Date of Patent: March 26, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Max Landes, Bernd Sievernich, Elmar Kibler, Wessel Nuyken, Helmut Walter, Karl-Otto Westphalen, Horst Mayer, Egon Haden, Christiaan Mulder, Alfons Schönhammer, Gerhard Hamprecht
  • Powder varnish dispersion
    Patent number: 6358568
    Abstract: The present invention relates to a transparent powder coating dispersion comprising a solid, pulverulent component A and an aqueous component B, component A being a powder coating material comprising a) at least one epoxy-containing binder having a content of from 30 to 45%, preferably from 30 to 35%, by weight of glycidyl-containing monomers, with or without a content of vinylaromatic compounds, preferably styrene, b) tris(alkoxycarbonylamino)triazine and polycarboxylic acids, preferably straight-chain aliphatic dicarboxylic acids and/or carboxy-functional polyesters, as crosslinking agents, component B being an aqueous dispersion comprising a) at least one nonionic thickener.
    Type: Grant
    Filed: May 8, 2000
    Date of Patent: March 19, 2002
    Assignee: BASF Coatings AG
    Inventors: Stephan Schwarte, Joachim Woltering, Hubert Baumgart
  • Substituted anilide insecticidal agents
    Patent number: 6359009
    Abstract: Pesticidal substituted anilide compounds having the structural formula I and compositions and methods comprising those compounds for the control of insect pests.
    Type: Grant
    Filed: March 26, 1999
    Date of Patent: March 19, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Robert Eugene Diehl, Tatao Luo, Michael Frank Treacy, Keith Douglas Barnes, Venkataraman Kameswaran
  • Paint compositions containing reactive urea/urethanes
    Patent number: 6359059
    Abstract: Low VOC automotive paint compositions containing reactive urea/urethanes are disclosed. Clearcoat and single stage topcoat formulations are found to be especially useful according to this invention.
    Type: Grant
    Filed: March 7, 1997
    Date of Patent: March 19, 2002
    Assignee: BASF Corporation
    Inventors: Stewart Shepler, Patrick J. Mormile, Sudhakar Dantiki, David W. Braun
  • Production of polyamides by reactive distillation
    Patent number: 6358373
    Abstract: The preparation of polyamides, their oligomers or mixtures thereof, where appropriate with other reaction products, takes place by reacting amino nitrites (A) and, where appropriate, other polyamide-forming monomers and/or oligomers with water (D) in a reactive distillation, wherein the reaction product (P) is discharged from the bottom of the reactive distillation apparatus, and ammonia (N) which is produced and, where appropriate, other low molecular weight compounds which are produced, and water, are taken off overhead.
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: March 19, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Martin Leemann, Volker Hildebrandt, Heino Thiele, Stefan Espig
  • Method for polymerizing cyclic ether
    Patent number: 6359108
    Abstract: A process for polymerizing cyclic ethers over a heterogeneous catalyst comprises using a heterogeneous catalyst comprising one or more pillared interlayered clays (PILCs).
    Type: Grant
    Filed: November 9, 1999
    Date of Patent: March 19, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Karsten Eller, Frank Stein, Christoph Sigwart, Rainer Becker, Klaus-Dieter Plitzko, Rolf Fischer, Ulrich Müller
  • Method for producing polyamides from aminonitriles
    Patent number: 6359020
    Abstract: Aqueous monomer and oligomer extracts obtained from polyamide production by extraction of the polymer with water are used for producing polyamides by direct reaction with aminonitriles.
    Type: Grant
    Filed: July 11, 2000
    Date of Patent: March 19, 2002
    Assignee: BASF Aktiengesellschaft
    Inventor: Ralf Mohrschladt
  • Method for producing hexamethylene diamine
    Patent number: 6359178
    Abstract: A process for catalytic hydrogenation of adiponitrile to hexamethylenediamine at elevated temperature and elevated pressure in the presence of catalysts based on elemental iron as catalytically active component and ammonia as solvent comprises a) hydrogenating adiponitrile at from 70 to 220° C.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: March 19, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Rolf Fischer, Peter Bassler, Hermann Luyken, Frank Ohlbach, Johann-Peter Melder, Martin Merger, Andreas Ansmann, Alwin Rehfinger, Guido Voit
  • Asymmetric hydrogenation of &bgr;-keto esters
    Patent number: 6359165
    Abstract: Enantiomerically pure &bgr;-hydroxy esters are prepared by a process in which &bgr;-keto esters are reacted with hydrogen in the presence of catalysts of the formula LRuX2 where X is halogen, acetate, allyl, methallyl, 2-phenylallyl, perchlorate, trifluoroacetate, tetrafluoroborate, hexafluoroantimonate, hexafluorophosphate, hexafluoroarsenate or trichloroacetate, L is a bidentate phospholane of the formula I  where B=a bridging link with 1-5 carbon atoms between the two phosphorus atoms, R1=H, C1-C6-alkyl, aryl, alkylaryl or SiR23, R2=alkyl or aryl, m=0 or 1, R3=H or OR4, and R4=R1, with the proviso that if m=1 then R3=H and if m=0 then R3 ≠ H.
    Type: Grant
    Filed: September 29, 1999
    Date of Patent: March 19, 2002
    Assignee: BASF Aktienegesellschaft
    Inventors: Rainer Stürmer, Martin Jochen Klatt, Armin Börmer, Jens Holz, Gudrun Voss
  • Color-stable superabsorbent polymer composition
    Patent number: 6359049
    Abstract: A color-stable superabsorbent polymer composition having long-term color stability, and methods of manufacturing the composition, are disclosed. The superabsorbent polymer composition contains an inorganic reducing agent and an optional metal salt, and resists color degradation during periods of extended storage, even at an elevated temperature and humidity.
    Type: Grant
    Filed: March 10, 2000
    Date of Patent: March 19, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter W. Carrico, David Eckert
  • Reactive dyes containing a linkage
    Patent number: 6359121
    Abstract: A reactive disazo dye of the formula (I) D1—Y—D2 wherein each of D1 and D2 is a chromophore of the formula (II) in which X is fluorine, chlorine or optionally substituted pyridinium, an SO3H is present in the 5-or 6-position of the naphthalene nucleus, n is 0 or 1, and Y is a bridging group or a sulphonic acid salt of the dye of formula (I). The dyes may be used for dyeing, printing or ink-jet printing, for example, of textile materials and paper and are particularly valuable for coloring cellulosic textile materials.
    Type: Grant
    Filed: January 31, 2001
    Date of Patent: March 19, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Warren James Ebenezer, Donna Maria Mynett
  • Spinning and stability of solution-dyed nylon fibers
    Patent number: 6358458
    Abstract: Stabilized solution-dyed fiber is made by melting a polyamide which is amide monomers polymerized in the presence of at least one hindered piperidine compound, coloring the melted polyamide, and spinning the colored polyamide into fibers that have about 40% or better retained tenacity after 2125 kJ exposure to xenon arc radiation as per AATCC Test Method 16-1993, “Colorfastness to Light,” Option E. Copper stabilizers are unnecesssary.
    Type: Grant
    Filed: November 11, 1999
    Date of Patent: March 19, 2002
    Assignee: BASF Corporation
    Inventors: Stanley A. McIntosh, Harry Y. Hu, Bobby J. Bailey, O. Keith Gannon
  • Liquid-crystalline composition of matter
    Publication number: 20020031621
    Abstract: The present invention relates to liquid-crystalline compositions of matter comprising, as components,
    Type: Application
    Filed: May 25, 2001
    Publication date: March 14, 2002
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Frank Prechtl, Sylke Haremza, Frank Meyer, Robert Parker, Kathrin Kurschner, Peter Schuhmacher, Hans-Werner Schmidt, Gerold Schmitt, Reiner Giesa
  • Process for the preparation of chiral isofluoroenes
    Publication number: 20020032351
    Abstract: There is provided a process for the preparation of a chiral insecticidal and acaricidal compound of formula I.
    Type: Application
    Filed: August 2, 2001
    Publication date: March 14, 2002
    Applicant: BASF Aktiengesellschaft
    Inventors: John Francis Chiarello, Brian Lee Buckwalter, Timothy Claude Barden
  • Method for pretreating a catalyst material
    Patent number: 6355589
    Abstract: A process for pretreating a catalyst material for catalysing a chemical reaction in a reactor, in particular for a reforming catalyst material for catalysing a methanol reforming reaction to obtain hydrogen, includes (1) subjecting the catalyst material to a hydrogen-containing gas mixture in a forming step, and (2) subsequently subjecting the catalyst material to an oxygen-containing gas mixture in a deactivating step.
    Type: Grant
    Filed: September 13, 2000
    Date of Patent: March 12, 2002
    Assignees: Xcellsis GmbH, BASF Aktiengesellschaft
    Inventors: Rainer Autenrieth, Stefan Brauchle, Otto Kumberger
  • Coating composition
    Patent number: 6355761
    Abstract: The invention relates to a coating composition comprising at least one OH-functional binder component and at least one component compound, functioning as a crosslinking agent, which has NCO groups blocked with a pyrazole compound.
    Type: Grant
    Filed: May 12, 1999
    Date of Patent: March 12, 2002
    Assignee: BASF Coatings AG
    Inventors: Hans-Jürgen Figge, Georg Wigger, Marita Schilling
  • Enhanced insecticidal insect virus through the expression of heterologous proteins with early promoters
    Patent number: 6355240
    Abstract: A method is described for enhancing the efficacy of recombinant insect viruses, such as baculoviruses and granulosis viruses, for use as insecticides. This invention relates to recombinant insect viruses and vectors for use therewith in which the expression of a heterologous gene or fragments thereof (preferably encoding an insect controlling substance or modifying substance, such as an insect toxin) is operably linked to an early promoter.
    Type: Grant
    Filed: July 25, 1996
    Date of Patent: March 12, 2002
    Assignee: BASF Aktiengellschaft
    Inventor: Peter M. Dierks