Patents Assigned to BASF
  • Method for producing isocynates
    Patent number: 6833469
    Abstract: The invention relates to a process for the production of isocyanates by reaction of primary amines with phosgene, in which isocyanate is used as solvent, wherein some or all of isocyanate used as solvent is added to the reaction mixture only after the amine and phosgene have been physically combined.
    Type: Grant
    Filed: December 10, 2003
    Date of Patent: December 21, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Andreas Wölfert, Christian Müller, Eckhard Stroefer
  • Method for producing an aqueous dispersion of particles that are made up of polymers and inorganic solid matter which consists of fine particles
    Patent number: 6833401
    Abstract: A process for preparing an aqueous dispersion of particles composed of addition polymer and finely divided inorganic solid (composite particles), in which process a mixture of ethylenically unsaturated monomers is dispersely distributed in aqueous medium and is polymerized by the method of free-radical aqueous emulsion polymerization by means of at least one free-radical polymerization initiator in the presence of at least one dispersely distributed, finely divided inorganic solid and at least one dispersant.
    Type: Grant
    Filed: March 29, 2002
    Date of Patent: December 21, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Zhijian Xue, Harm Wiese
  • Adhesives for frozen substrates
    Patent number: 6833041
    Abstract: The use of free-radically polymerized, UV-crosslinkable polymers which consist to the extent of at least 50% by weight of C2 to C18alkyl(meth)acrylates as adhesives for the bonding of carriers coated with the polymer on substrates, wherein from 0.1 to 30% by weight of the monomers of which said polymer is composed are monomers A without carboxylic acid or carboxylic anhydride groups and with a water solubility of more than 5 g of monomers per liter of water and said substrates are moist substrates, especially refrigerated substrates.
    Type: Grant
    Filed: March 25, 2002
    Date of Patent: December 21, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Meyer-Roscher, Karl-Heinz Schumacher, Jürgen Barwich, Ralf Fink, Uwe Düsterwald
  • Pure ethylene oxide distillation process
    Patent number: 6833057
    Abstract: In a process for purification of ethylene oxide by distillation an aqueous mixture comprising ethylene oxide, formaldehyde and at least 5% by weight of water is introduced via a feed into a distillation apparatus comprising at least one distillation column, the mixture being introduced at a height above the bottom of at least 8 theoretical stages, the ethylene oxide is taken off at the top and in the bottom phase a mixture is obtained which contains less than 5% by weight of ethylene oxide.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: December 21, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Bessling, Hans Hasse, Jürgen Plückhan, Thomas Mayer, Heinz Auer
  • Emulsifier system for aqueous emulsion polymerization
    Publication number: 20040254295
    Abstract: An emulsifier system comprising
    Type: Application
    Filed: July 13, 2004
    Publication date: December 16, 2004
    Applicant: BASF Aktiengesellschaft
    Inventors: Bernd Stanger, Peter Keller, Eckehardt Wistuba, Andree Dragon
  • Method for producing tanning agents containing sulphone
    Publication number: 20040250353
    Abstract: A process for preparing a solution of sulfone-containing tanning materials comprises
    Type: Application
    Filed: February 17, 2004
    Publication date: December 16, 2004
    Applicant: BASF Akiengesellschaft
    Inventors: Gunther Pabst, Gerhard Wolf, Jurgen Kast, Jurgen Werner
  • 3-(heterocyclyl)-substituted benzolpyrazols
    Patent number: 6831039
    Abstract: The invention relates to 3-(heterocyclyl)-substituted benzoylpyrazois of formula (I), wherein the variables have the following meanings: X is O, NH or N-alkyl; R1 is alkyl; R2, R3, R4, R5 are hydrogen, alkyl or alkyl halide; R6 is halogen, nitro, alkyl halide, alkoxy, halogenalkoxy, alkylthio, halogenalkylthio, alkylsulfonyl or halogenalkylsulfonyl; R7 is hydroxy, alkoxy, alkenyloxy, alkylsulfonyloxy, alkylcarboyloxy, alkylthiocarbonyloxy, phenylsulfonyloxy or phenylcarbonyloxy, and the phenyl radical can be substituted; R8, R9 are alkyl; R10 is hydrogen or alkyl; and R11 is hydrogen or alkyl; and to their agriculturally useable salts. The invention also relates to intermediate products and methods for producing the inventive compounds and to the use of these compounds or products containing them for combating undesirable plants.
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: December 14, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulf Neidlein, Norbert Götz, Ernst Baumann, Wolfgang von Deyn, Steffen Kudis, Klaus Langemann, Guido Mayer, Ulf Misslitz, Matthias Witschel, Martina Otten, Karl-Otto Westphalen, Helmut Walter
  • Method for the hydrogenation of maleic anhydride and related compounds in two serial reaction zones
    Patent number: 6831182
    Abstract: The present invention relates to a process for the gas-phase hydrogenation of C4-dicarboxylic acids and/or their derivatives over a catalyst based on copper oxide to give substituted or unsubstituted &ggr;-butyrolactone and/or tetrahydrofuran, which comprises, which a first reaction zone in which the C4-dicarboxylic acid and/or its derivatives is/are reacted to give a mixture comprising a substituted or unsubstituted &ggr;-butyrolactone as main product and a subsequent second reaction zone in which the substituted or unsubstituted &ggr;-butyrolactone present in the mixture from the first hydrogenation step is reacted at a temperature lower than the temperature in the first hydrogenation step to give substituted or unsubstituted tetrahydrofuran.
    Type: Grant
    Filed: June 4, 2003
    Date of Patent: December 14, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Holger Borchert, Stephan Schlitter, Rolf-Hartmuth Fischer, Markus Rösch, Frank Stein, Ralf-Thomas Rahn, Alexander Weck, Gerd Kaibel
  • Corynebacterium glutamicum genes encoding proteins involved in homeostasis and adaptation
    Patent number: 6831165
    Abstract: Isolated nucleic acid molecules, designated HA nucleic acid molecules, which encode novel HA proteins from Corynebacterium glutamicum are described. The invention also provides antisense nucleic acid molecules, recombinant expression vectors containing HA nucleic acid molecules, and host cells into which the expression vectors have been introduced. The invention still further provides isolated HA proteins, mutated HA proteins, fusion proteins, antigenic peptides and methods for the improvement of production of a desired compound from C. glutamicum based on genetic engineering of HA genes in this organism.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: December 14, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Markus Pompejus, Burkhard Kröger, Hartwig Schröder, Oskar Zelder, Gregor Haberhauer
  • Process for preparing methylenedianiline and methylenebis(phenyl isocyanate)
    Patent number: 6831192
    Abstract: A process for preparing methylenedianiline by reacting aniline with formaldehyde in the presence of acid catalysts comprising, in a semicontinuous process, introducing aniline with or without acid catalyst, feeding formaldehyde with or without acid catalyst through a mixing element into a circuit in which aniline with or without acid catalyst and with or without previously added formaldehyde is circulated and, after feeding in at least 50% of the total amount of formaldehyde to be fed in, heating the reaction mixture to a temperature above 75° C. In addition, the invention relates to a process for preparing polyisocyanates by phosgenation of amines obtainable in this manner and to the polyisocyanates obtainable by this process.
    Type: Grant
    Filed: May 21, 2002
    Date of Patent: December 14, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Eckhard Ströfer, Jan Jacobs, Wilfried Seyfert, Hans Volkmar Schwarz, Olaf Schweers, Volker Scharr, Ulrich Penzel
  • Oil suspension concentrates based on a cyclohexenone oxime ether lithium salt and the use thereof as plant protection agents
    Patent number: 6831041
    Abstract: The present invention relates to oil suspension concentrates based on 2-{1-[2-(4-chlorophenoxy)propoxyimino]butyl}-3-hydroxy-5-(tetrahydrothiopyran-3-yl)cyclohex-2-enone lithium salt and certain formulation auxiliaries and to the use of the oil suspension concentrates as crop protection compositions and in particular as rice herbicides. Preferred formulation auxiliaries are mono- and/or dicarboxylic esters, for example fluid fatty acid esters, anionic surfactants of the sulfonate type, for example alkyl- and alkylarylsulfonates and also sulfosuccinates, and nonionic surfactants of the type of the nonethoxylated or ethoxylated carboxylic acids and esters of mono- or polyfunctional alcohols, for example ethoxylated fatty acids and polyoxyethylene sorbitan fatty acid esters. The oil suspension concentrates described herein are storage-stable and have excellent use properties.
    Type: Grant
    Filed: March 11, 2003
    Date of Patent: December 14, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Reiner Kober, Rainer Berghaus, Thomas Kröhl, Hans Ziegler, Volker Maywald
  • Water-absorbing agent, method for the production and the utilization thereof
    Patent number: 6831122
    Abstract: Disclosed is a water absorbent comprising particles of a water absorbent polymer whose surface is associated with a water insoluble metal phosphate. It possesses an improved performance profile comprising high absorption capacity, improved fluid transportation performance and a faster swell rate.
    Type: Grant
    Filed: November 13, 2003
    Date of Patent: December 14, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Daniel, Ulrich Riegel, Matthias Weismantel
  • Preparation of catalytically active multielement oxide materials which contain at least one of the elements Nb and W and the elements Mo, V and Cu
    Publication number: 20040249183
    Abstract: Catalytically active multielement oxide materials which contain at least one of the elements Nb and W and the elements Mo, V and Cu are prepared by a process in which an intimate dry blend containing ammonium ions is prepared and said dry blend is subjected to a thermal treatment in an atmosphere having a low molecular oxygen content at elevated temperatures, a portion of the ammonium ions contained in the intimate dry blend being decomposed with liberation of ammonia and the oxygen content of the thermal treatment atmosphere being increased in the course of the thermal treatment.
    Type: Application
    Filed: May 7, 2004
    Publication date: December 9, 2004
    Applicant: BASF Aktiengesellschaft
    Inventors: Martin Dieterle, Hartmut Hibst, Wolfgang Jurgen Popel, Jochen Petzoldt, Klaus Joachim Muller-Engel
  • Thermal treatment of the precursor material of a catalytically active material
    Publication number: 20040245681
    Abstract: In a process for the thermal treatment of the precusor material of a catalytically active material in a rotary tube furnace through which a gas stream flows, at least a proportion of the gas stream flowing through the rotary tube furnace is circulated, and the associated rotary tube furnace apparatus and tube-bundle reactors for the partial gas-phase oxidation of acrolein to acrylic acid are loaded with catalysts whose catalytically active material is obtainable by the process for the thermal treatment.
    Type: Application
    Filed: May 12, 2004
    Publication date: December 9, 2004
    Applicant: BASF Aktiengesellschaft
    Inventors: Martin Dieterle, Wolfgang Jurgen Popel, Silke Berndt, Raimund Felder, Signe Unverricht, Klaus Joachim Muller-Engel
  • Heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid
    Publication number: 20040249196
    Abstract: In a process for heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid, the starting reaction gas mixture is oxidized over a fixed catalyst bed 1 which consists of at least two fixed catalyst bed zones and is accommodated in two successive temperature zones A, B, and the transition from temperature zone A to temperature zone B does not coincide with a transition from one fixed catalyst bed zone to another fixed catalyst bed zone.
    Type: Application
    Filed: March 19, 2004
    Publication date: December 9, 2004
    Applicant: BASF Aktiengesellschaft
    Inventors: Martin Dieterle, Jochen Petzoldt, Heiko Arnold, Wilhelm Ruppel, Klaus Joachim Muller-Engel
  • Metal complexes of iminohydroxamic acids
    Patent number: 6828454
    Abstract: Complexes of the formula I where M═Ni, Pd; process for preparing the metal complexes and the use of the complexes obtainable in this way for the polymerization and copolymerization of olefins, for example in suspension polymerization processes, gas-phase polymerization processes and bulk polymerization processes.
    Type: Grant
    Filed: February 12, 2003
    Date of Patent: December 7, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Marc Oliver Kristen, Peter Preishuber-Pflügl, Benno Bildstein, Alexander Krajete
  • Preparation of higher &agr;, &bgr;-unsaturated alcohols
    Patent number: 6828468
    Abstract: Higher &agr;,&bgr;-unsaturated alcohols are prepared by monoethynylation of a ketone by the NH3/KOH method, if desired hydrogenation of the acetylene alcohol in the presence of hydrogen over a Pd-containing thin layer catalyst, purifying distillation of the hydrogenation product, preferably in a dividing wall column with recirculation of the unreacted ketone to the ethynylation step, and, if desired, preparation of higher alcohols having in each case 5 more carbon atoms in the chain by reacting the alcohols prepared by monoethynylation and, if desired, partial hydrogenation with alkyl acetoacetates diketene in a Carroll reaction to form ketones and using these as starting materials for the steps ethynylation, optional hydrogenation and fractional distillation.
    Type: Grant
    Filed: May 6, 2002
    Date of Patent: December 7, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Andreas Ansmann, Jochem Henkelmann, Alois Kindler, Heinz Etzrodt, Carsten Oost, Susanne Stutz, Christian Tragut, Bernhard Bockstiegel, Klaus Reimer, Manfred Stroezel, Walter Dobler
  • Method and device for carrying out the automated preparation and characterization of liquid multi-constituent systems
    Patent number: 6827478
    Abstract: A method of automated preparation and characterization of liquid multicomponent systems comprising at least two, preferably three components comprises the automated preparation of a mixture by combining at least two, preferably three components in a vessel, at least one component being metered in an automated fashion into the vessel, and the automated homogenization of the mixture with subsequent automated measuring and evaluation. The apparatus for conducting this method comprises at least one metering station, one closing station, one homogenizing station, one measuring station for determining formulation properties, and one evaluation unit.
    Type: Grant
    Filed: January 14, 2003
    Date of Patent: December 7, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Dietmar Becker, Georg Beck, Stefan Bentz, Wolfgang Best, Peter Erk, Günter Etzrodt, Martin Könemann, Reinhold Rieger, Klaus Unterforsthuber
  • Preparation of cyclopentenones
    Patent number: 6828464
    Abstract: The present invention provides a process for preparing 2-cyclopentenones of the general formula: where R1 to R4 are each hydrogen atoms or are alkyl or alkenyl radicals having from 1 to 12 carbon atoms, cycloalkyl or cycloalkenyl radicals having from 5 to 7 carbon atoms, aralkylene or aryl radicals, by converting hexenedioic acids and/or their esters of the general formulae where R1 to R4 are each as defined above and R5 and R6 are each hydrogen atoms or are alkyl radicals having from 1 to 12 carbon atoms, cycloalkyl radicals having 5 or 6 carbon atoms, aralkyl or aryl radicals, at temperatures of from 150 to 450° C., over solid, oxidic catalysts, wherein the catalysts on an oxidic support material comprise from 0.01 to 5% by weight of at least one alkali metal oxide.
    Type: Grant
    Filed: November 24, 2003
    Date of Patent: December 7, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Shelue Liang, Rolf-Hartmuth Fischer, Sylvia Huber-Dirr, Andrea Haunert
  • Use of carotenoid aggregates as colorants
    Patent number: 6827941
    Abstract: Carotenoid aggregates are useful as colorants for foods and for cosmetic and pharmaceutical preparations.
    Type: Grant
    Filed: January 7, 1999
    Date of Patent: December 7, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Erik Lüddecke, Helmut Auweter, Loni Schweikert