Patents Represented by Attorney Keil & Weinkauf
  • Patent number: 6770331
    Abstract: The invention relates to colorant preparations containing the following main constituents: A) at least one dispersed (A1) or dissolved (A2) colorant; B) if a colorant corresponding to (A1) is used, a dispersing agent; C) a low-molecular polytetrahydurofurane (C1), optionally mixed with one or more difficult-to-evaporate, water-soluble or water-miscible organic solvents (C2); and D) water.
    Type: Grant
    Filed: February 13, 2002
    Date of Patent: August 3, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Manfred Mielke, Friedrich-Wilhelm Raulfs, Ulrike Schlösser, Rüdiger Sens, Karl Siemensmeyer, Dieter Freyberg, Mike Freche
  • Patent number: 6770770
    Abstract: Novel phosphites have the formula I P(O—R1)x(O—R2)y(O—R3)z(O—R4)p  I where R1: aromatic radical having a C1-C18-alkyl substituent in the o position relative to the oxygen atom which connects the phosphorus atom to the aromatic system, or having an aromatic substituent in the o position relative to the oxygen atom which connects the phosphorus atom to the aromatic system, or having an aromatic system fused on in the o position relative to the oxygen atom which connects the phosphorus atom to the aromatic system, R2: aromatic radical having a C1-C18-alkyl substituent in the m position relative to the oxygen atom which connects the phosphorus atom to the aromatic system, or having an aromatic substituent in the m position relative to the oxygen atom which connects the phosphorus atom to the aromatic system, or having an aromatic system fused on in the m position relative to the oxygen atom which connects the phosphorus atom to the aromatic system, where the aromatic radical
    Type: Grant
    Filed: April 25, 2002
    Date of Patent: August 3, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Robert Baumann, Jakob Fischer, Tim Jungkamp, Dagmar Pascale Kunsmann-Keitel, Wolfgang Siegel
  • Patent number: 6770786
    Abstract: The antifungal agent (E)-N-methyl-N-(1-naphthylmethyl)-6,6-dimethyl-hept-2-ene-4-ynyl-1-amine of formula (I) and acid addition salts thereof are prepared by reacting a chloro-compound of formula (IIIb) with a secondary amine of formula (II) in an aliphatic ketone-type solvent in the presence of a base and optionally iodide salt catalyst, and subsequently treating the resulting reaction mixture directly with aqueous hydrochloric acid to precipitate the hydrochloride of the compound of formula (I). The precipitate is separated, and the base of formula (I) can be liberated from the hydrochloride and can be converted into other pharmaceutically acceptable acid addition salts.
    Type: Grant
    Filed: February 21, 2003
    Date of Patent: August 3, 2004
    Assignee: Richter Gedeon Vegyeszeti Gyar Rt.
    Inventors: Peter Bod, Laszlo Terdy, Ferenc Trischler, Eva Fekecs, Maria Demeter, Anna Lauko, Gyorgy Domany, Gyorgyi Szabone Komlosi, Katalin Varga
  • Patent number: 6770293
    Abstract: The present invention relates to soft capsules comprising (a) polymers prepared by polymerization of vinyl esters in the presence of polyethers (b) where appropriate structure-improving auxiliaries and (c) where appropriate other conventional constituents, the use and production thereof.
    Type: Grant
    Filed: March 14, 2001
    Date of Patent: August 3, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Maximilian Angel, Karl Kolter, Axel Sanner, Michael Gotsche
  • Patent number: 6770788
    Abstract: A two-step process for the preparation of fluoroolefin compounds of formula I wherein R is hydrogen or alkyl, and R1 is alkyl or cyclopropyl, or R and R1 are taken together with the carbon atom to which they are attached to form a cyclopropyl group; Ar is phenyl or naphthyl both of which are optionally substituted; Ar1 is phenoxyphenyl, biphenyl, phenyl, benzylphenyl, or benzoylphenyl, all of which may be optionally substituted, comprising reacting fluorobromoolefin compounds of formula II with organozinc compounds of formula III or IV BrZnCH2Ar1  III Zn[CH2Ar1]2  IV in the presence of a palladium catalyst and a solvent, which compounds of formula II are obtained by reacting aldehyde compounds of formula V with (a) fluorotribromomethane, (b) a tri(substituted)phosphine or a hexaalkylphosphoramide or a mixture thereof, and (c) zinc, in the presence of a solvent, compounds of formula II.
    Type: Grant
    Filed: October 21, 2002
    Date of Patent: August 3, 2004
    Assignee: BASF Aktiengesellschaft
    Inventor: William Wakefield Wood
  • Patent number: 6770187
    Abstract: The invention relates to an electrolysis cell comprising an anode compartment which comprises an aqueous solution of at least one alkali metal salt, a cathode compartment and a solid electrolyte which separates the anode compartment and the cathode compartment from one another, wherein that part of the surface of the solid electrolyte which is in contact with the anode compartment and/or that part of the surface of the solid electrolyte which is in contact with the cathode compartment has/have at least one further ion-conducting layer.
    Type: Grant
    Filed: February 25, 2002
    Date of Patent: August 3, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Hermann Pütter, Günther Huber, Kerstin Schierle-Arndt, Dieter Schläfer, Josef Guth
  • Patent number: 6770783
    Abstract: The invention relates to a method for producing acid chlorides by converting carboxylic acids with carbon oxychlorides or thionyl chloride in the presence of a catalyst adduct of an N,N-disubstituted formamide of general formula (I) and carbon oxychloride or thionyl chloride. In the formula, R1 and R2, independently from one another, mean C1- to C4-alkyl or R1 and R2 together mean a C4- or C5-alkylene chain. According to the inventive method, hydrogen chloride is added during and/or after the conversion.
    Type: Grant
    Filed: March 12, 2002
    Date of Patent: August 3, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Ralph Busch, Heinz-Josef Kneuper, Theodor Weber, Winfried Müller, Armin Stamm, Jochem Henkelmann
  • Patent number: 6767624
    Abstract: The present invention relates to composite elements comprising at least one layer A which comprises at least one solid electrolyte Al, at least one adhesion-promoting layer B having a thickness of <100 &mgr;m and at least one component C which provides the composite layer with electrochromic properties, where composite elements of this type are particularly suitable for use in electrochromic windows, and to electrochromic windows and glazing comprising a composite element of this type, and to processes for the production of these composite elements.
    Type: Grant
    Filed: July 31, 2002
    Date of Patent: July 27, 2004
    Assignee: BASF Aktiengesellschaft
    Inventor: Bernd Bronstert
  • Patent number: 6767623
    Abstract: The invention relates to a sandwich panel comprising A. a core layer of polypropylene particle foam, B. cover layers of fiber-reinforced polypropylene and also optionally C. decorative layers, wherein the core layer includes from 1 to 30% by weight of recyclate particles of components A, B and optionally C.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: July 27, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Christof Möck, Hermann Tatzel
  • Patent number: 6767923
    Abstract: Benzhydryl derivatives of the formula I, where the index and the variables are as defined below: X is oxygen or sulfur; R1, R3 are halogen, cyano, nitro, hydroxyl, mercapto, amino, alkyl, alkenyl, alkynyl, alkoxy, alkenyloxy, alkynyloxy, alkylcarbonyloxy, formyloxy, alkylthio, alkenylthio, alkynylthio, alkylamino, dialkylamino, alkylcarbonyl or formyl, where the carbon atoms in the radicals mentioned may be partially or fully halogenated; R2 is halogen, cyano, nitro, hydroxyl, mercapto, amino, alkyl, alkoxy, haloalkyl or haloalkoxy, where the groups R2 may be different if n=2; R4 is alkyl, alkenyl or alkynyl, where the carbon atoms in these radicals may be unsubstituted or partially or fully halogenated; R5, R6 are hydroxyl, alkyl, alkenyl, haloalkyl, haloalkenyl, alkoxy, alkenyloxy, haloalkoxy, haloalkenyloxy, cycloalkyl, cycloalkylalkyl, cycloalkoxy or cycloalkylalkoxy; n is 0, 1 or 2; processes for preparing the compounds I, compositions comprising them and their use for con
    Type: Grant
    Filed: October 29, 2002
    Date of Patent: July 27, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Ingo Rose, Jordi Tormo i Blasco, Markus Gewehr, Wassilios Grammenos, Bernd Müller, Joachim Rheinheimer, Peter Schäfer, Frank Schieweck, Thomas Grote, Andreas Gypser, Eberhard Ammermann, Gisela Lorenz, Reinhard Stierl, Siegfried Strathmann, Paul Carter, Jürgen Curtze
  • Patent number: 6765118
    Abstract: In a process for the preparation of alcohols by catalytic hydrogenation of carbonyl compounds, the catalyst used is 0.01 to 50% by weight of rhenium and 0 to 20% by weight, in each case based on the total weight of the catalyst, of at least one further metal chosen from Zn, Cu, Ag, Au, Ni, Fe, Cr, V on oxidatively pretreated activated carbon as support.
    Type: Grant
    Filed: September 23, 2002
    Date of Patent: July 20, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Rolf-Hartmuth Fischer, Rolf Pinkos, Stephan Andreas Schunk, Joachim Wulff-Döring
  • Patent number: 6765129
    Abstract: The invention relates to a method for producing plants containing increased quantities of tocopherols, vitamin K, carotinoids, chlorophylls and polyterpenes by overexpression of a DXPRI gene.
    Type: Grant
    Filed: October 29, 2001
    Date of Patent: July 20, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Hartmut Lichtenthaler, Jörg Schwender, Andreas Reindl, Karin Herbers
  • Patent number: 6765119
    Abstract: The invention relates to a process for the preparation of saturated C3-C20-alcohols in which a liquid hydrogenation feed comprising at least one C3-C20-aldehyde is passed over a bed of a hydrogenation catalyst in the presence of a hydrogen-containing gas, which comprises adding to the hydrogenation feed an amount, homogeneously soluble therein, of a salt-like base. The addition of base suppresses side reactions, such as acetalization, aldolization, Tischtschenko reaction or ether formation.
    Type: Grant
    Filed: November 14, 2002
    Date of Patent: July 20, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Herwig Hoffmann, Michael Röper, Heinrich-Josef Blankertz, Max Strohmeyer, Helmut Walz, Helmut Zinke-Allmang
  • Patent number: 6762254
    Abstract: Copolymers of ethylene have from 1 to 30 mol % of alkyl(meth)acrylates and, if desired, other comonomers, and have a residual comonomer content of less than 0.5% by weight in the copolymer. A process for preparing copolymers of this type in a combination of stirred autoclave and tubular reactor is described, as is the use of the copolymers for preparing polyamide molding compositions.
    Type: Grant
    Filed: November 7, 2001
    Date of Patent: July 13, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Andreas Deckers, Wilhelm Weber
  • Patent number: 6762218
    Abstract: Thermoplastic molding compositions comprising, as substantive constituents, A) from 5 to 96% by weight of a vinylaromatic polymer with a syndiotactic structure, B) from 2 to 50% by weight of an inorganic filler, C) from 1 to 15% by weight of a thermoplastic elastomer based on copolymers made from vinylaromatic monomers, dienes and, where appropriate, 1,1-diphenylethylene, D) from 1 to 10% by weight of a compatibilizer, and, where appropriate, E) from 1 to 15% by weight of an elastomeric particulate styrene-diene block copolymer whose diene content may have been completely or to some extent hydrogenated, and, where appropriate, F) additives, where the total of the percentages by weight of A) to F) is 100.
    Type: Grant
    Filed: October 3, 2002
    Date of Patent: July 13, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Michael Geprägs, Konrad Knoll
  • Patent number: 6758946
    Abstract: A process for working up hydroxylamine-containing solutions as obtained in particular in the electronics industry during the cleaning of electronic components is described. According to the invention, the hydroxylamine is stripped from the wastewater with steam. The products obtained are aqueous hydroxylamine and an aqueous solution of the amines. Both product streams can be purified in further process steps to give a saleable product.
    Type: Grant
    Filed: January 30, 2001
    Date of Patent: July 6, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Otto Watzenberger, Heiner Schelling
  • Patent number: 6759560
    Abstract: Alkali metal methoxides are prepared from aqueous alkali metal hydroxide, which may have been admixed with methanol, and methanol in a reaction column having at least 5, preferably from 15 to 30, theoretical plates between the feed point for the aqueous alkali metal hydroxide and the feed point for the methanol. The gaseous methanol/water mixture formed in the reaction is fractionated in a rectification column. In one variant of the invention, the trays chosen for the reaction column configured as a bubble cap tray, valve tray or sieve tray column are trays in which not more than 5%, preferably <1%, of the liquid rains through the respective trays. In another variant of the process of the present invention, the double-wall reaction column has a temperature in the double wall which is from 3 to 10° C.
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: July 6, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Josef Guth, Holger Friedrich, Hans-Josef Sterzel, Gerd Kaibel, Kirsten Burkart, Elke Hoffmann
  • Patent number: 6759561
    Abstract: The present invention relates to a process for the preparation of tetrahydrogeraniol, wherein the product mixtures and distillation residues from linalool, citronellal, citronellol or geraniol/nerol synthesis are fed directly to catalytic hydrogenation.
    Type: Grant
    Filed: December 4, 2002
    Date of Patent: July 6, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Frank Funke, Till Gerlach, Klaus Ebel, Signe Unverricht, Frank Haese, Kirsten Burkart, Hans-Georg Göbbel
  • Patent number: 6759553
    Abstract: A process for the preparation of creatine or creatine monohydrate by reaction of sodium or potassium sarcosinate with cyanamide at a temperature from 20 to 150° C. and a pH from 7.0 to 14.0 comprises carrying out the pH adjustment with carbonic acid.
    Type: Grant
    Filed: September 8, 1999
    Date of Patent: July 6, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Knut Kessel, Günter Scherr, Michael Kluge, Norbert Biedermann, Thomas Greindl, Thomas Bogenstätter, Wolfgang Hähnlein
  • Patent number: 6759500
    Abstract: Propylene polymers containing from 0 to 2.5% by weight of C2-C10-olefin comonomers have an Mw of from 350,000 to 1,000,000 g/mol, an Mw/Mn of from 4 to 10, a proportion by weight of the polymer fraction having a viscosity number of from 500 to 1400 ml/g of from 20 to 80% of the total polymer and a proportion by weight of a polymer fraction having a viscosity number of from 200 to 400 ml/g of from 80 to 20% of the total polymer and an isotactic sequence length of from 50 to 100.
    Type: Grant
    Filed: May 13, 2002
    Date of Patent: July 6, 2004
    Assignee: Basell Polyolefine GmbH
    Inventors: Volker Dolle, Volker Fraaije, Herbert Terwyen, Thomas Boehm