Patents Represented by Attorney Keil & Weinkauf
  • Patent number: 7045641
    Abstract: A process for preparing compounds of the formula I is described and entails converting a compound of the formula II by Wittig or Wittig-Horner reaction into a compound of the formula IV, where appropriate converting the compound of the formula IV by hydrolysis of the acetal function and Wittig or Wittig-Horner reaction into a compound of the formula VI and converting the compound of the formula IV or VI in two stages into the compound of the formula I. The radicals R1, R2 and R6 and k have the meaning indicated in the description. Novel intermediates are also described.
    Type: Grant
    Filed: January 6, 2003
    Date of Patent: May 16, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Hansgeorg Ernst, Klaus Henrich
  • Patent number: 7037708
    Abstract: Dry microorganism cultures comprising at least one microorganism species in carrier-bound form are present in the form of particles which a) have a particle size of at least about 0.1 mm and b) are compressed; processes for preparing dry microorganism cultures and their use for preparing foodstuffs and feedstuffs are also claimed.
    Type: Grant
    Filed: April 29, 1999
    Date of Patent: May 2, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Frank Runge, Bryan Cooper, Ulrich Bröckel, Robert Heinz, Hans-Peter Harz, Ulrich Eidelsburger, Bruno Käsler, Thomas Keller
  • Patent number: 7022344
    Abstract: A process for producing solid dosage forms by mixing at least one polymer binder, at least one active ingredient and, where appropriate, conventional additives to form a plastic mixture, and shaping, wherein a physiologically tolerated, water-swellable graft copolymer or a mixture of graft copolymers is employed as polymeric binder.
    Type: Grant
    Filed: March 17, 1999
    Date of Patent: April 4, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Stephan Kothrade, Gunther Berndl, Dirk Simon, Axel Sanner
  • Patent number: 6969777
    Abstract: Olefins having from 2 to 8 carbon atoms are hydroformylated in a process in which (i) an olefin-containing feed in which a proportion of a saturated hydrocarbon having from 2 to 8 carbon atoms is present and also carbon monoxide and hydrogen are fed into a reaction zone and reacted in the presence of a hydroformylation catalyst, (ii) a stream consisting essentially of unreacted olefin and saturated hydrocarbon is separated off from the output from the reaction zone, (iii) the stream is separated into an olefin-enriched fraction and an olefin-depleted fraction by rectification, and (iv) at least part of the olefin-enriched fraction is recirculated to the reaction zone.
    Type: Grant
    Filed: June 27, 2001
    Date of Patent: November 29, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Walz, Willi Schönmann, Rolf Müller, Roland Krokoszinski
  • Patent number: 6953829
    Abstract: A catalyst system comprising at least one metallocene, at least one cocatalyst, at least one support material and, if desired, further organometallic compounds is described. The catalyst system can advantageously be used for the polymerization of olefins and displays a high catalyst activity and gives a good polymer morphology without it being necessary to use aluminoxanes such as methylaluminoxane (MAO), which usually has to be used in high excess, as cocatalyst.
    Type: Grant
    Filed: December 13, 2000
    Date of Patent: October 11, 2005
    Assignee: Basell Polyolefine GmbH
    Inventors: Roland Kratzer, Cornelia Fritze, Jörg Schottek
  • Patent number: 6939488
    Abstract: A binder B for inorganic powders comprises a mixture of b1 from 80 to 99.5% by weight of a polyoxymethlene homopolymer or copolymer B1 and b2 from 0.5 to 20% by weight of a polymer system B2 which is not miscible with B1 and comprises b21 from 5 to 100% by weight of polytetrahydrofuran B21 and b22 from 0 to 95% by weight of at least one polymer B22 of C2-8-olefins, vinylaromatic monomers, vinyl esters of aliphatic C1-8-carboxylic acids, vinyl C1-8-alkyl ethers or C1-12-alkyl (meth)acrylates.
    Type: Grant
    Filed: April 19, 2001
    Date of Patent: September 6, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Martin Blömacher, Dieter Weinand, Hans Wohlfromm, Johan Herman Hendrik ter Maat
  • Patent number: 6916954
    Abstract: The invention relates to a catalyst system for carbonylating olefinically or acetylenically unsaturated compounds with carbon monoxide and a nucleophile compound, containing (a) palladium; (b) a phosphine and (c) a polymer containing nitrogen which is soluble in the reaction mixture, with the exception of polyvinyl polymers with aromatic radicals containing nitrogen on the polymer chain. The invention also relates to a method for carbonylation in the presence of one such catalyst system.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: July 12, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Martin Schäfer, Michael Slany, Edgar Zeller, Michael Röper, Michael Schulz, Günther Grimm
  • Patent number: 6913629
    Abstract: Compounds of the formula 1 OCN—R1—NHCOX—R2—(Y)n??(1), where X is a covalent bond to R2 or is O, S or NR3, Y is a hydrogen atom or a free functional group and n is an integer from 1 to 20, can be used for functionalizing or modifying compounds or solid surfaces which have at least one group which is reactive toward isocyanate.
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: July 5, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Bruchmann, Ulrich Treuling
  • Patent number: 6914068
    Abstract: A method for controlling harmful fungi, which comprises treating the fungi or the materials, plants, the soil or the seed to be protected against fungal attack and/or animal pests with an effective amount of at least one thiazolo[4,5-b]pyridine of the formula I: in which n is 0, 1 or 2, the substituents R1, R2, R3, have the following meanings: R1, R2, R3: independently of one another are: hydrogen, halogen, C1-C4-alkyl, C1-C4-alkoxy, C1-C4-haloalkyl, C1-C4-alkoxy -C1-C4-alkyl or phenyl which may be unsubstituted or carry 1, 2, 3 or 4 substituents which are selected, independently of one another, from halogen, nitro, cyano, alkyl, alkoxy, OCHF2 or CF3; and wherein A and R are as defined in claim 1.
    Type: Grant
    Filed: July 12, 2001
    Date of Patent: July 5, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Gregory J. Haley, Keith D. Barnes, William W. Wood, Yulin Hu, Kathryn C. Ferguson, Henry Van Tuyl Cotter, Andreas Gypser, Anja Schwögler, Salvatore Cuccia
  • Patent number: 6903108
    Abstract: Fungicidal mixtures comprise as active components a) an amide compound of the formula I A—CO—NR1R2??I in which A is an aryl group or an aromatic or non-aromatic, 5- or 6-membered heterocycle which has from 1 to 3 hetero atoms selected from O, N and S; ?where the aryl group or the heterocycle may or may not have 1, 2 or 3 substituents which are selected, independently of one another, from alkyl, halogen, CHF2, CF3, alkoxy, haloalkoxy, alkylthio, alkylsulfynyl and alkylsulfonyl; R1 is a hydrogen atom; R2 is a phenyl or cycloalkyl group which may or may not have 1, 2 or 3 substituents which are selected, independently of one another, from alkyl, alkenyl, alkynyl, alkoxy, alkenyloxy, alkynyloxy, cycloalkyl, cycloalkenyl, cycloalkyloxy, cycloalkenyloxy, phenyl and halogen, where the aliphatic and cycloaliphatic radicals may be partially or fully halogenated and/or the cycloaliphatic radicals may be substituted by from 1 to 3 alkyl groups and where the phenyl group may have from 1 to 5 halogen atoms and/or
    Type: Grant
    Filed: January 14, 2002
    Date of Patent: June 7, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Schelberger, Maria Scherer, Karl Eicken, Manfred Hampel, Eberhard Ammermann, Gisela Lorenz, Siegfried Strathmann
  • Patent number: 6903168
    Abstract: Ethylenically unsaturated monomers are polymerized in a gas-phase fluidized-bed reactor comprising a reactor space (1) in the form of a vertical tube, a calming zone (2) adjoining the upper part of the reactor space, a circulated gas line (3), a circulated gas compressor (4), a cooling apparatus (5), a gas distributor plate (6) which forms the lower boundary of the reactor space and, if desired, a flow divider (7), wherein the gas distributor plate (6) has a plurality of gas flow orifices (8) whose outlet sides are widened conically.
    Type: Grant
    Filed: October 30, 2003
    Date of Patent: June 7, 2005
    Assignee: Basell Polyolefine
    Inventors: Benno Knauer, Peter Hennenberger, Klaus Hilligardt, Eckard Schauss, Horst Bullack
  • Patent number: 6900343
    Abstract: A process for purifying metallocenes in which a sparingly soluble metallocene halide is converted into a readily soluble and readily crystallizable metallocene by replacement of at least one halide ligand by an alternative negatively charged ligand and the metallocene obtained in this way is subsequently purified by crystallization.
    Type: Grant
    Filed: November 18, 1999
    Date of Patent: May 31, 2005
    Assignee: Basell Polyolefine GmbH
    Inventors: Carsten Bingel, Patrik Müller, Hans-Herbert Brintzinger, Hans-Robert-Hellmuth Damrau
  • Patent number: 6894003
    Abstract: The present invention provides a method for increasing the efficacy of a herbicidal compound of formula I which comprises applying an effective amount of said herbicidal compound directly to the soil in the form of a solid granule or solid powder which contains said herbicidal compound and at least one inert solid carrier. It is another object of this invention to provide solid granular or powder compositions of herbicidal compounds of formula I and at least one inert solid carrier, as well as methods for the use of said compositions in the control of weeds.
    Type: Grant
    Filed: May 24, 2001
    Date of Patent: May 17, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Aven, Astrid Brandt, Norbert Nelgen
  • Patent number: 6891045
    Abstract: In a process for preparing carbonyldiimidazole from imidazole and phosgene in an inert solvent, the imidazole hydrochloride which results as coupled product is removed as melt from the resulting reaction mixture by phase separation.
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: May 10, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Armin Stamm, Jochem Henkelmann
  • Patent number: 6887894
    Abstract: The use of ?-lipoic acid or ?-dihydrolipoic acid for increasing the bioavailability of mineral salts, the use of ?-lipoic acid or ?-dihydrolipoic acid in combination with metal salts, in particular the use of metal ?-lipoates, metal ?-dihydrolipoates or metal-?-lipoic acid complexes, in particular in mineral preparations or drugs and the metal ?-lipoates, metal ?-dihydrolipoates or metal-?-lipoic acid complexes themselves are described.
    Type: Grant
    Filed: July 5, 2001
    Date of Patent: May 3, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Krämer, Martin Jochen Klatt
  • Patent number: 6888003
    Abstract: A process for preparing 7-(pyrazol-3-yl)benzoxazoles of the formula I in which the variables R1-R6 are as defined in claim 1, which process is characterized in that a 2-halo-3-(pyrazol-3-yl)anilide of the formula II, in which X is bromine or iodine is reacted with a base in the presence of a transition metal compound of subgroup VIIa, VIIIa or Ib of the Periodic Table of the Elements, is disclosed.
    Type: Grant
    Filed: March 15, 2001
    Date of Patent: May 3, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Cyrill Zagar, Robert Reinhard, Michael Puhl, Thorsten Volk, Norbert Götz, Gerhard Hamprecht, Olaf Menke, Ingo Sagasser
  • Patent number: 6887958
    Abstract: Ethylene or propylene are copolymerized with one another or with other olefinically unsaturated compounds in the presence of a catalyst system comprising the following components: A) a complex of a transition metal with one or two substituted or unsubstituted 1,3,5-triazacyclohexane ligands or corresponding ligands in which one or more of the ring nitrogens are replaced by phosphorus or arsenic atoms, and B) if desired, one or more activator compounds.
    Type: Grant
    Filed: October 5, 2000
    Date of Patent: May 3, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Shahram Mihan, Randolf Köhn, Guido Seifert
  • Patent number: 6887460
    Abstract: The invention relates to the use of enaminotriazines of the formula I in which the radicals Y, independently of one another, are hydrogen, an optionally substituted aliphatic, cycloaliphatic, araliphatic or aromatic radical having in each case up to 18 carbon atoms, the radicals X are identical or different, where at least one of the radicals X is the ethenyl radical of the formula II and X may also have the meanings of Y, and where in the formula II the radicals R are identical or different and are cyano, optionally esterified carboxyl, substituted carbonyl, optionally substituted aminocarbonyl, optionally esterified sulfo, substituted sulfonyl or optionally esterified phosphono, and where two adjacent radicals R may optionally form a ring and the radicals R? are identical or different and are hydrogen, an optionally substituted aliphatic, cycloaliphatic or aromatic radical having in each case up to 18 carbon atoms, as UV filters in cosmetic or pharmaceutical preparations for protecting human skin or
    Type: Grant
    Filed: May 13, 2002
    Date of Patent: May 3, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Heidenfelder, Kristin Tiefensee, Thomas Wünsch
  • Patent number: 6881867
    Abstract: In a process for the hydroformylation of ethylenically unsaturated compounds, at least one complex of a metal of transition group VIII. with at least one phosphorus-, arsenic- or antimony-containing compound as ligand is used as hydroformylation catalyst, where the compound used as ligand in each case comprises two groups which comprise a P, As or Sb atom and at least two further hetero atoms and are bound to a xanthene-like molecular framework. New compounds of this type and catalysts which comprise at least one complex of a metal of transition group VIII. with at least one such compound as ligand are also provided.
    Type: Grant
    Filed: September 17, 2001
    Date of Patent: April 19, 2005
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Ahlers, Dag Wiebelhaus, Rocco Paciello, Michael Bartsch, Robert Baumann, Dieter Vogt, Alison Hewat
  • Patent number: 6878764
    Abstract: Thermoplastic molding compositions comprising, as substantive components, A) from 5% by weight to (99.99% by weight minus 1 ppb), based on components A) to D), of a polyoxymethylene homo- or copolymer, B) from 1 ppb to 1% by weight, based on the molding composition made from A) to D), of at least one polyethyleneimine homo- or copolymer, C) from 0.01 to 15% by weight of carbon black, and D) from 0 to 80% by weight of other additives, where the total of percentages by weight of components A) to D) is always 100%.
    Type: Grant
    Filed: June 22, 2001
    Date of Patent: April 12, 2005
    Assignee: BASF Aktiengesellschaft
    Inventor: Burkhardt Dames