Patents Assigned to BASF
  • PROCESS FOR THE PRODUCTION OF MOLDINGS WITH REDUCED FORMATION OF DEPOSIT
    Publication number: 20100292385
    Abstract: The invention relates to processes for the production of moldings via shaping of thermoplastic molding compositions F with reduced formation of deposit on the shaping mold, and it is essential to the invention that the thermoplastic molding compositions F comprise an amount of from 0 mg/kg to 100 mg/kg (calculated as the total of the mg of Mg and the mg of Ca per kg of thermoplastic molding composition F and determined by means of atomic emission spectrometry using inductively coupled plasma (ICPAES)) of magnesium compounds and/or calcium compounds; the invention further relates to the use of molding compositions F in the inventive processes, and also to moldings which can be produced by the inventive processes.
    Type: Application
    Filed: December 2, 2008
    Publication date: November 18, 2010
    Applicant: BASF SE
    Inventors: Wolfgang Fischer, Moritz Ehrenstein
  • Method and device for the continuous production of hydrogen sulfide
    Patent number: 7833509
    Abstract: The invention relates to a process and to an apparatus for preparing hydrogen sulfide H2S by converting a reactant mixture which comprises gaseous sulfur and hydrogen over a solid catalyst. The reactant mixture is converted at a pressure of from 0.5 to 10 bar absolute, a temperature of from 300 to 450° C. and a sulfur excess in a reactor (1). The sulfur excess corresponds to a ratio of excess sulfur to H2S prepared of from 0.2 to 3 kg of sulfur per kg of H2S prepared.
    Type: Grant
    Filed: January 14, 2008
    Date of Patent: November 16, 2010
    Assignee: BASF SE
    Inventors: Andreas Wölfert, Herald Jachow, Heinz Drieβ
  • Pipe assembly reactor comprising a helically shaped cross section
    Patent number: 7833498
    Abstract: Process and apparatus for the continuous preparation of a chemical compound in at least one reactor, where at least one of the reactors is a shell-and-tube reactor which has a shell and at least one internal tube located within the shell, wherein at least one of the internal tubes has, at least in part, a noncircular cross section and a helical configuration in the region in which it is surrounded by the shell.
    Type: Grant
    Filed: January 20, 2005
    Date of Patent: November 16, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Georg Goebbel, Peter Bassler, Joaquim Henrique Teles, Peter Rudolf
  • Asymmetric polymer film, method for the production and utilization thereof
    Patent number: 7834131
    Abstract: The present invention relates to an asymmetric polymer film, in particular based on polazoles, a method for the production of the same and its use. The polyazole-based asymmetric polymer film according to the invention has a smooth and a rough side and enables, on account of its asymmetric structure, rapid and homogeneous doping with acids to form a proton-conducting membrane. The polyazole-based asymmetric polymer film according to the invention can be used in diverse ways on account of its excellent chemical, thermal and mechanical properties and is particularly suitable for the production of polymer electrolyte membranes (PEM) for so-called PEM fuel cells.
    Type: Grant
    Filed: February 16, 2007
    Date of Patent: November 16, 2010
    Assignee: BASF Fuel Cell GmbH
    Inventors: Joachim Petersen, Jochen Baurmeister, Oemer Uensal, Frauke Jordt, Joachim Kiefer
  • Method for producing tetracarboxylic acids
    Patent number: 7834211
    Abstract: A process for preparing tetracarboxylic acids of the general formula I or salts thereof, wherein at least one compound of the general formula II a or II b (a) is first reacted with at least one epoxidation reagent and (b) then oxidized with nitric acid or at least one nitrogen oxide, where the variables are defined as follows: R1, R2 are the same or different and are selected from hydrogen, phenyl and C1-C10-alkyl.
    Type: Grant
    Filed: April 27, 2006
    Date of Patent: November 16, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Kai Gumlich, Joaquim Henrique Teles
  • SPIRO COMPOUNDS
    Publication number: 20100284882
    Abstract: The invention relates to spiro compounds of the formula (I) and to monolithic materials prepared therefrom by twin ring-opening polymerisation which consist of a porous metal oxide or semimetal oxide framework and are suitable for use as catalyst supports or as supports for active compounds.
    Type: Application
    Filed: December 1, 2008
    Publication date: November 11, 2010
    Applicants: Merck Patent Gesellschaft Mit Beschrankter Haftung, BASF SE
    Inventors: Matthias Koch, Stefan Spange, Arno Lange, Hans Joachim Haehnle, Rainer Dyllick-Brenzinger, Phillip Hanefeld, Marc Schroeder, Illshat Gubaydullin
  • SCENT-COMPRISING MICROCAPSULES WITH IMPROVED RELEASE BEHAVIOR
    Publication number: 20100286018
    Abstract: The present invention relates to microcapsules, microcapsule preparations, and detergents and cleaners comprising these, where the microcapsules comprise, in their core, one or more scents or fragrance(s) whose release behavior from the core of the microcapsules is considerably slowed through the use of more than one crosslinker.
    Type: Application
    Filed: January 13, 2009
    Publication date: November 11, 2010
    Applicant: BASF SE
    Inventors: Hans-Peter Hentze, Marc Rudolf Jung, Tobias Joachim Koplin, Juergen Detering
  • METHOD FOR THE PRODUCTION OF PAPER, CARDBOARD AND CARD
    Publication number: 20100282424
    Abstract: A method for the production of paper, cardboard and card by adding a microparticle system consisting of a polymer retention agent having a molar mass Mw of at least 2 million and a fine-part inorganic component in order to form a paper material having a material density of a 20 g/l maximum and by dewatering the paper material, wherein the paper material undergoes at least one shearing step prior to or after addition of the retention agent and wherein the retention agent is introduced in a dosed manner into the paper material in at least two places and the fine inorganic component is dosed prior to or after addition of the retention agent or between two dosing points for the retention agent.
    Type: Application
    Filed: December 17, 2005
    Publication date: November 11, 2010
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Oliver Koch, Frank Prechtl, Rainer Blum, Detlef Kannengiesser
  • PROCESS FOR PRODUCING SOFT CAPSULE SHELLS BASED ON POLYVINYL ALCOHOL-POLYETHYLENE GLYCOL GRAFT COPOLYMERS
    Publication number: 20100283178
    Abstract: A process for producing gelatin-free soft capsule shells based on polyvinyl alcohol-polyether graft copolymers as shell polymers, which comprises heating an aqueous solution comprising at least 45% by weight, based on the total weight of the solution, of a polymer component, where the polymer component consists of a polyvinyl alcohol-polyether graft copolymer or a mixture of polyvinyl alcohol-polyether graft copolymers and polyvinyl alcohol, extruding the solution at a temperature of at least 70° C., and solidifying the resulting film by cooling.
    Type: Application
    Filed: August 31, 2006
    Publication date: November 11, 2010
    Applicant: BASF SE
    Inventor: Karl Kolter
  • AHAS MUTANTS
    Publication number: 20100287641
    Abstract: The invention provides nucleic acids encoding mutants of the acetohydroxyacid synthase (AHAS) large subunit comprising at least two mutations, for example double and triple mutants, which are useful for producing transgenic or non-transgenic plants with improved levels of tolerance to AHAS-inhibiting herbicides. The invention also provides expression vectors, cells, plants comprising the polynucleotides encoding the AHAS large subunit double and triple mutants, plants comprising two or more AHAS large subunit single mutant polypeptides, and methods for making and using the same.
    Type: Application
    Filed: April 3, 2008
    Publication date: November 11, 2010
    Applicant: BASF Plant Science GmbH
    Inventors: John A. McElver, Bijay Singh
  • METHOD OF WORKING UP MIXTURES COMPRISING IMIDAZOLIUM SALTS
    Publication number: 20100283003
    Abstract: Method of lightening the color of mixtures comprising imidazolium salts or imidazoles, wherein the mixtures are treated with an oxidant.
    Type: Application
    Filed: December 8, 2008
    Publication date: November 11, 2010
    Applicant: BASF SE
    Inventors: Michael Siemer, Matthias Maase, Ingo Richter
  • TANDEM PHOTOVOLTAIC CELL
    Publication number: 20100282309
    Abstract: A photovoltaic element (110) for converting electromagnetic radiation into electrical energy is provided, which has a tandem cell structure.
    Type: Application
    Filed: July 22, 2008
    Publication date: November 11, 2010
    Applicant: BASF SE
    Inventors: Neil Gregory Pschirer, Felix Eickemeyer, Jan Schoeneboom, Jae Hyung Hwang, Martin Karlsson, Ingmar Bruder
  • INTEGRAL POLYURETHANE FOAMS COMPRISING DIALKYL CYCLOHEXANEDICARBOXYLATES AS INTERNAL MOLD RELEASE AGENT
    Publication number: 20100286297
    Abstract: The present invention relates to a process for producing integral polyurethane foams, in which a) organic polyisocyanates are mixed with b) relatively high molecular weight compounds having at least two reactive hydrogen atoms, c) blowing agents, d) dialkyl cyclohexanedicarboxylates and, if appropriate, e) chain extenders and/or crosslinkers, f) catalysts and g) other auxiliaries and/or additives to form a reaction mixture, the reaction mixture is introduced into a mold and allowed to react to form an integral polyurethane foam. The present invention further relates to integral polyurethane foams comprising dialkyl cyclohexanedicarboxylates, the use of such foams in the interior of road vehicles or as shoe soles and the use of dialkyl cyclohexanedicarboxylates as internal mold release agents in the production of integral polyurethane foams.
    Type: Application
    Filed: November 25, 2008
    Publication date: November 11, 2010
    Applicant: BASF SE
    Inventors: Marco Ortalda, Tony Spitilli
  • METHOD FOR ISOMERIZING OLEFINS
    Publication number: 20100286458
    Abstract: The present invention relates to a process for isomerizing olefins in olefin-comprising hydrocarbon mixtures having from 4 to 20 carbon atoms at temperatures of from 20 to 200° C. and pressures of from 1 to 200 bar in the liquid phase in the presence of a heterogeneous catalyst, wherein a catalyst comprising from 1 to 20% by weight of nickel in oxidic form and from 1 to 20% by weight of at least one element of group VIB on an aluminum oxide support is used.
    Type: Application
    Filed: October 15, 2008
    Publication date: November 11, 2010
    Applicant: BASF SE
    Inventors: Stefan Iselborn, Thomas Heidemann
  • METHOD OF FINISHING ORGANIC PIGMENTS
    Publication number: 20100286445
    Abstract: A method of finishing an organic pigment that involves dissolving or dispersing the pigment in a mineral acid and crystallizing the pigment from the solution or dispersion by mixing with an aqueous diluent in the absence of a sulfonato-functional condensation product of an arylsulfonic acid and an aliphatic aldehyde as crystallization inhibitor, which comprises ripening the crystallized organic pigment in the presence of a surfactant or in the presence of a pigment solubility enhancer in aqueous suspension.
    Type: Application
    Filed: July 30, 2008
    Publication date: November 11, 2010
    Applicant: BASF SE
    Inventors: Matthias Klueglein, Richard Van Gelder, Joachim Jesse, Wolfgang Best, Benno Sens, Rainer Henning
  • METHOD FOR PRODUCING POLYARYL ETHERS
    Publication number: 20100286303
    Abstract: A process for preparing polyaryl ethers in which a polycondensation of the monomer building blocks is carried out using microwave irradiation leads to thermoplastic molding compositions having improved color properties.
    Type: Application
    Filed: November 11, 2008
    Publication date: November 11, 2010
    Applicant: BASF SE
    Inventors: Martin Weber, Volker Warzelhan, Faissal-Ali El-Toufaili, Andreas Greiner, Heiner Stange, Seema Agrarwal
  • LOW-VOC AQUEOUS HYBRID BINDERS
    Publication number: 20100286325
    Abstract: The present invention relates to aqueous binder compositions obtainable by emulsion polymerization of (A) at least one C1-C10 alkyl (meth)acrylate, and/or a vinylaromatic compound having up to 20 C atoms, or mixtures thereof (monomers A), (B) and also, if appropriate, further monomers B, and (C) at least one water-soluble alkyd resin having a weight-average molecular weight between 5000 and 40 000 Da, wherein the polymerization of the monomers A and also, if appropriate, B and the alkyds C is carried out in the form of a parallel feed process, and also to their preparation and use in coating materials.
    Type: Application
    Filed: June 12, 2008
    Publication date: November 11, 2010
    Applicant: BASF SE
    Inventors: Roelof Balk, Sebastian Roller, Rolf Dersch, Uwe Dittrich
  • PROCESS FOR THE PREPARATION OF CRYSTALLINE LITHIUM-, VANADIUM-AND PHOSPHATE-COMPRISING MATERIALS
    Publication number: 20100283012
    Abstract: The present invention relates to a process for the preparation of compounds of general formula (I) Lia-bM1bV2-cM2c(PO4)x (I) with M1: Na, K, Rb and/or Cs, M2: Ti, Zr, Nb, Cr, Mn, Fe, Co, Ni, Al, Mg and/or Sc, a: 1.5-4.5, b: 0-0.6, c: 0-1.98 and x: number to equalize the charge of Li and V and M1 and/or M2, if present, wherein a?b is >0, by providing an essentially aqueous mixture comprising at least one lithium-comprising compound, at least one vanadium-comprising compound in which vanadium has the oxidation state +5 and/or +4, and at least one M1-comprising compound, if present, and/or at least one M2-comprising compound, if present, and at least one reducing agent which is oxidized to at least one compound comprising at least one phosphorous atom in oxidation state +5, drying and calcining.
    Type: Application
    Filed: September 18, 2008
    Publication date: November 11, 2010
    Applicant: BASF SE
    Inventors: Hartmut Hibst, Brian Roberts, Jordan Keith Lampert, Kirill Bramnik
  • PERYLENE-IMIDE SEMICONDUCTOR POLYMERS
    Publication number: 20100283047
    Abstract: Disclosed are new semiconductor materials prepared from perylene-imide copolymers. Such polymers can exhibit high n-type carrier mobility and/or good current modulation characteristics. In addition, the compounds of the present teachings can possess certain processing advantages such as solution-processability and/or good stability at ambient conditions.
    Type: Application
    Filed: February 5, 2009
    Publication date: November 11, 2010
    Applicants: BASF SE, POLYERA CORPORATION
    Inventors: Antonio Facchetti, He Yan, Zhihua Chen, Marcel Kastler, Florian Doetz
  • METHOD FOR PRODUCING HYDROCYANIC ACID BY CATALYTIC DEHYDRATION OF GASEOUS FORMAMIDE
    Publication number: 20100284889
    Abstract: A process for preparing hydrogen cyanide by catalytically dehydrating gaseous formamide in a tubular reactor formed from at least one reaction channel in which the catalytic dehydration proceeds, said reaction channel having an inner surface which is formed from a material having an iron content of ?50% by weight, and no additional catalysts and/or internals being present in the reaction channel, and the at least one reaction channel having a mean hydraulic diameter of from 0.5 to 6 mm, and a reactor with the features specified above and the use of the inventive reactor for preparing hydrogen cyanide by catalytically dehydrating gaseous formamide.
    Type: Application
    Filed: November 12, 2008
    Publication date: November 11, 2010
    Applicant: BASF SE
    Inventors: Ralf Boehling, Andreas Deckers, Thomas Schneider, Guenther Achhammer, Hermann Luyken, Peter Pfab