Patents Assigned to BASF
  • Publication number: 20070264524
    Abstract: The present invention relates to the use of metallocene complexes of metals of transition group 4 of the Periodic Table as emitter molecules in organic light-emitting diodes (OLEDs), the use of the metallocene complexes as light-emitting layer in OLEDs, a light-emitting layer comprising at least one metallocene complex, an OLED comprising this light-emitting layer and devices comprising an OLED according to the invention.
    Type: Application
    Filed: April 4, 2005
    Publication date: November 15, 2007
    Applicant: BASF Aktiengesellschaft
    Inventors: Thomas Gessner, Martin Konemann, Hans-Werner Schmidt, Mukundan Thelakkat, Markus Baete
  • Publication number: 20070262290
    Abstract: The invention concerns water-absorbing polymers for producing fire-retarding compositions, comprising at least one interpolymerized ethylenically unsaturated monomer bearing acid groups, wherein from 51 to 64 mol % of the acid groups are present as carboxylate groups and some or all of the carboxylate groups have potassium ions as counterions, processes for producing the water-absorbing polymers and also the production of fire-retarding compositions and coatings.
    Type: Application
    Filed: November 4, 2005
    Publication date: November 15, 2007
    Applicant: Basf Aktiengesellschaft
    Inventors: Martin Beck, Samantha Champ, Markus Tonnessen, Antje Ziemer, Dennis Losch
  • Patent number: 7294326
    Abstract: The present invention relates to a process for preparing hydrocyanic acid (HCN) by catalytic dehydration of gaseous formamide in a reactor which has an internal reactor surface made of a steel comprising iron and chromium and nickel, and also to a reactor for preparing hydrocyanic acid by catalytic dehydration of gaseous formamide, which reactor has an internal reactor surface made of a steel comprising iron and chromium and nickel, and also to the use of the reactor of the present invention in a process for preparing hydrocyanic acid by catalytic dehydration of gaseous formamide.
    Type: Grant
    Filed: December 3, 2003
    Date of Patent: November 13, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Bassler, Wolfgang Siegel, Guenther Achhammer, Anton Negele, Helmuth Menig, Wilhelm Ruppel, Peter Zehner, Hermann Luyken, Volker Vogt
  • Patent number: 7294240
    Abstract: Basic (meth)acrylates IV are prepared by transesterification of alkyl (meth)acrylates I in the presence of a catalyst and working-up of the reaction mixture by distillation, by a process in which a gas or gas mixture which is inert under the reaction conditions is passed through the reaction zone and/or heat exchanger.
    Type: Grant
    Filed: May 28, 2002
    Date of Patent: November 13, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Geisendoerfer, Gerhard Nestler, Juergen Schroeder, Hugues Vandenmersch
  • Patent number: 7294190
    Abstract: Solid mixtures of a reactive size and starch, which are obtainable by mixing at least one reactive size with at least one starch in a melt in the presence of at least one destructuring agent for starch under the action of shear forces at from 65 to 250° C. and cooling the melt to room temperature, are used in the form of aqueous dispersions as process assistants in papermaking.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: November 13, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Dyllick-Brenzinger, Thomas Kessler, Norbert Guentherberg, Peter Wittmer, Roland Ettl
  • Patent number: 7294325
    Abstract: A process is described for preparing hydrogen cyanide by autothermal noncatalytic oxidation of one or more nitrogenous hydrocarbons or a nitrogenous hydrocarbon mixture in which the nitrogenous hydrocarbons, an oxygen-containing gas, with or without ammonia, with or without water, with or without a gas containing nitrogen oxides and with or without other essentially inert feed gas constituents are introduced into a flame reaction zone, react in the flame reaction zone and a post-reaction zone at a temperature of from 1000 to 1800° C. for a reaction time of 0.03 to 0.3 s to form a cleavage gas which comprises at least the constituents hydrogen cyanide, carbon oxides, hydrogen, water, ammonia, nitrogen, light hydrocarbons with or without other cleavage gas constituents, the atomic C/N ratio in the reaction zones being from 1 to 7 and the atomic air ratio ?ato being <0.6, the cleavage gas being cooled and separated.
    Type: Grant
    Filed: July 24, 2003
    Date of Patent: November 13, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Kai Rainer Ehrhardt, Mayke Mueller-Eversbusch, Dieter Stapf
  • Publication number: 20070259475
    Abstract: A method for producing an organic field-effect transistor, comprising the steps of: a) providing a substrate comprising a gate structure, a source electrode and a drain electrode located on the substrate, and b) applying an n-type organic semiconducting compound to the area of the substrate where the gate structure, the source electrode and the drain electrode are located, wherein the n-type organic semiconducting compound is selected from the group consisting of compounds of the formula I wherein R1, R2, R3 and R4 are independently hydrogen, chlorine or bromine, with the proviso that at least one of these radicals is not hydrogen, Y1 is O or NRa, wherein Ra is hydrogen or an organyl residue, Y2 is O or NRb, wherein Rb is hydrogen or an organyl residue, Z1, Z2, Z3 and Z4 are O, where, in the case that Y1 is NRa, one of the residues Z1 and Z2 may be a NRc group, where Ra and Rc together are a bridging group having 2 to 5 atoms between the terminal bonds, where, in the case that Y2 is NRb, one
    Type: Application
    Filed: January 3, 2007
    Publication date: November 8, 2007
    Applicant: BASF Aktiengesellschaft
    Inventors: Martin Konemann, Peter Erk, Mang-Mang Ling, Zhenan Bao
  • Publication number: 20070260094
    Abstract: A process for preparing polyoxymethylene dimethyl ether of the formula H3CO(CH2O)nCH3 where n=2-10, in which methylal and trioxane are fed into a reactor and reacted in the presence of an acidic catalyst, wherein the amount of water introduced into the reaction mixture by methylal, trioxane and/or the catalyst is <1% by weight based on the reaction mixture. Preferably, a fraction comprising polyoxymethylene dimethyl ether where n=3 and 4 is obtained by distillation from the reaction mixture, and methylal, trioxane and polyoxymethylene dimethyl ether where n<3 and optionally n>4 are recycled into the reaction.
    Type: Application
    Filed: October 19, 2005
    Publication date: November 8, 2007
    Applicant: BASF Aktiengesellschaft
    Inventors: Heiner Schelling, Eckhard Stroefer, Rolf Pinkos, Andrea Haunert, Gerd-Dieter Tebben, Hans Hasse, Sergej Blagov
  • Publication number: 20070261132
    Abstract: Isolated nucleic acids and proteins associated with lipid and sugar metabolism regulation are provided. In particular, lipid metabolism proteins (LMP) and encoding nucleic acids originating from Physcomitrella patens, Brassica napus, Glycine max, Zea mays, and Oryza sativa are provided. The nucleic acids and proteins are used in methods of producing transgenic plants and modulating levels of seed storage compounds. Preferably, the seed storage compounds are lipids, fatty acids, starches or seed storage proteins.
    Type: Application
    Filed: August 11, 2005
    Publication date: November 8, 2007
    Applicant: BASF Plant Science GmbH
    Inventors: Jermaine Gibson, Heiko Hartel, Karin Shank
  • Publication number: 20070259981
    Abstract: The invention relates to a process for producing rigid polyurethane foams by reacting a) polyisocyanates with b) compounds having at least hydrogen atoms which are reactive toward isocyanate groups, in the presence of c) blowing agents, wherein the compounds having at least hydrogen atoms which are reactive toward isocyanate groups comprise bi1) at least one polyether alcohol which has been initiated by means of sucrose and/or sorbitol and has a functionality of greater than 4 and a hydroxyl number in the range from 400 to 550 mg KOH/h, bi2) at least one polyether alcohol which has been initiated by means of TDA and has a hydroxyl number in the range from 120 to 240 mg KOH/g and an aromatics content in the range from 6.
    Type: Application
    Filed: October 12, 2005
    Publication date: November 8, 2007
    Applicant: BASF Aktiengelellschaft
    Inventors: Berend Eling, Anja Biedermann, Andreas Emge, Peter Malotki, Seifert Holger
  • Publication number: 20070257240
    Abstract: Thermoplastic molding compositions, comprising A) from 10 to 98% by weight of at least one thermoplastic polymer, B) from 0.01 to 50% by weight of B1) at least one highly branched or hyperbranched polycarbonate with an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, part 2), or B2) at least one highly branched or hyperbranched polyester of AxBy type, where x is at least 1.1 and y is at least 2.1, or a mixture of these, C) from 1 to 30% by weight of a flame retardant combination composed of, based on 100% by weight of C), C1) from 20 to 99% by weight of a halogen-containing flame retardant, C2) from 1 to 80% by weight of an antimony oxide, D) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to D) is 100%.
    Type: Application
    Filed: October 8, 2005
    Publication date: November 8, 2007
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Jochen Engelmann, Bernd Bruchmann, Andreas Eipper, Jean-Francois Stumbe, Carsten Weiss, Dietrich Scherzer, Michaela Liese, Mark Volkel
  • Publication number: 20070259237
    Abstract: The present invention relates to a process for the deionization of a cooling medium in a fuel cell (11) circulating in a cooling circuit (20), in which the cooling medium is subjected to at least intermittent, but preferably continuous, electrochemical deionization. To this end, at least one electrode deionization cell (23) , through which a diluate stream (27) serving as cooling medium and a concentrate stream (28) flow, is arranged in the cooling circuit. The concentrate stream (28) may be part of a secondary cooling circuit.
    Type: Application
    Filed: May 23, 2007
    Publication date: November 8, 2007
    Applicant: BASF Aktiengesellschaft
    Inventors: Claudius Kormann, Andreas Fischer
  • Publication number: 20070259897
    Abstract: Fungicidal mixtures comprising, as active components, 1) the triazolopyrimidine derivative of the formula I and 2) procymidone of the formula II in a synergistically effective amount, methods for controlling harmful fungi using mixtures of the compound I with the compound II and the use of the compound I with the compound II for preparing such mixtures, and also compositions comprising these mixtures.
    Type: Application
    Filed: May 11, 2005
    Publication date: November 8, 2007
    Applicant: BASF Aktiengesellschaft
    Inventors: Jordi Tormo i Blasco, Thomas Grote, Maria Scherer, Reinhard Stierl, Siegfried Strathmann, Ulrich Schofl
  • Publication number: 20070259784
    Abstract: Fungicidal mixtures comprising, as active components, 1) the triazolopyrimidine derivative of the formula I and 2) spiroxamine of the formula II in a synergistically effective amount, methods for controlling harmful fungi using mixtures of the compound I with the compound II and the use of the compound I with the compound II for preparing such mixtures, and also compositions comprising these mixtures.
    Type: Application
    Filed: April 15, 2005
    Publication date: November 8, 2007
    Applicant: BASF Aktiengesellschaft
    Inventors: Jordi Tormo I Blasco, Thomas Grote, Maria Scherer, Reinhard Stierl, Siegfried Strathmann, Ulrich Schofl
  • Publication number: 20070256804
    Abstract: Light to white wood-base boards which are produced from bleached wood fibers and/or beater dyed with a white pigment.
    Type: Application
    Filed: October 8, 2005
    Publication date: November 8, 2007
    Applicant: BASF Aktiengesellschaft
    Inventors: Andres Carlos GARCIS ESPINO, Juliane Kruesemann, Manfred Siegler, Norbert Jaeger
  • Publication number: 20070260015
    Abstract: Thermoplastic molding compositions comprising a mixture of a component (A), a component (B), a component (C) and a component (D), methods for their preparation and use, and mold-release agents for thermoplastic molding compositions: wherein the component (A) comprises a methyl methacrylate polymer; wherein the component (B) comprises a copolymer prepared by polymerizing from 75 to 88% by weight of a vinylaromatic monomer and from 12 to 25% by weight of a vinyl cyamide; wherein the component (C) comprises a graft copolymer prepared by copolymerizing: from 60 to 90% by weight, based on component (C), of a core, from 5 to 20% by weight, based on component (C), of a first graft shell, and from 5 to 20% by weight, based on component (C), of a second graft shell; and wherein the component (D) comprises at least one highly branched or hyperbranched polymer selected from the group consisting of (D1) highly branched or hyperbranched polycarbonates, (D2) highly branched or hyperbranched polyesters of Ax+By type, where
    Type: Application
    Filed: August 9, 2005
    Publication date: November 8, 2007
    Applicant: BASF Aktiengesellschaft
    Inventors: Martin Stork, Bernd Bruchmann, Andreas Eipper, Norbert Niessner, Graham McKee, Martin Weber, Axel Gottschalk, Sven Riechers, Jean-Francois Stumbe
  • Publication number: 20070259985
    Abstract: In the spray condensation process for the preparation of dried resins in powder form from melamine, urea or a mixture thereof and at least one aldehyde, the morphology of the resin particles produced is influenced in a targeted manner with respect to their particle parameters.
    Type: Application
    Filed: September 6, 2005
    Publication date: November 8, 2007
    Applicant: BASF Aktiengesellschaft
    Inventors: Gregor Brodt, Moritz Ehrenstein, Marco Kruger, Volker Seidl, Dominik Winter, Asif Karim, Hans-Ulrich Moritz
  • Patent number: 7291489
    Abstract: The present invention features improved methods for the enhanced production of pantoate and pantothenate utilizing microorganisms having modified pantothenate biosynthetic enzyme activities and having modified methylenetetrahydrofolate (MTF) biosynthetic enzyme activities. In particular, the invention features methods for enhancing production of desired products by increasing levels of a key intermediate, ketopantoate, by increasing enzymes or substrates that contribute directly or indirectly to its synthesis. Recombinant microorganisms and conditions for culturing same are also are featured. Also featured are compositions produced by such microorganisms.
    Type: Grant
    Filed: July 3, 2003
    Date of Patent: November 6, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: R. Rogers Yocum, Thomas A. Patterson, Janice G. Pero, Theron Hermann
  • Patent number: 7291761
    Abstract: A process for the continuous heterogeneously catalyzed partial dehydrogenation of a hydrocarbon in the gas phase and in the presence of molecular oxygen, in which part of the product gas is recirculated to the reaction zone, and a reactor for carrying out such a process.
    Type: Grant
    Filed: March 4, 2003
    Date of Patent: November 6, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Otto Machhammer, Goetz-Peter Schindler, Klaus Harth, Peter Zehner
  • Patent number: 7291759
    Abstract: Process for oligomerizing an alkene stream over a solid catalyst comprising sulfur and nickel, in which the oligomerization is carried out in two or more successive catalyst zones and the molar ratio of sulfur to nickel in the first catalyst zone is less than 0.5 and that in the last catalyst zone is 0.5 or more and, in the case of further catalyst zones between the first and last catalyst zones, the molar ratio of sulfur to nickel in each catalyst zone is not less than that in the immediately preceding catalyst zone, based on the main flow direction of the feed stream.
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: November 6, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Heidemann, Ursula Siebenhaar