Patents Assigned to BASF
  • Process for preparing an isocyanate
    Patent number: 8853443
    Abstract: The present invention relates to a process for preparing an isocyanate, comprising hydrogenating a mixture (Gi) comprising an amine in the presence of a hydrogenation catalyst comprising copper to obtain a mixture (Gii) comprising the amine, and reacting the mixture (Gii) with phosgene to obtain a mixture (Giii) comprising the isocyanate. The present invention further relates to the isocyanate preparable by this process.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Daniel Breuninger, Johannes Adam, Heiner Schelling, Eckhard Stroefer, Markus Kraemer, Matthias Eiermann, Kai Thiele, Michael Zoellinger, Rolf Pinkos
  • Process for preparing neopentyl glycol
    Patent number: 8853465
    Abstract: The present invention relates to a process for preparing neopentyl glycol (NPG) by continuously hydrogenating hydroxypivalaldehyde (HPA) with hydrogen, in the liquid phase, in the presence of a hydrogenation catalyst, in a hydrogenation reactor (5), by combining an HPA-comprising stream (1) with an NPG-comprising stream (2) to give a hydrogenation feed (4) and introducing the hydrogenation feed (4) into the hydrogenation reactor (5) and additionally supplying at least one pH regulator (3) selected from the group consisting of tertiary amine, an inorganic base, an inorganic acid and an organic acid to the HPA-comprising stream (1) or the NPG-comprising stream (2) or the hydrogenation feed (4), in order to establish a pH of 7.0 to 9.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Michael Steiniger, Maria Guixa Guardia, Kai Stehmeier
  • Reactor for carrying out an autothermal gas-phase dehydrogenation
    Patent number: 8852538
    Abstract: A reactor in the form of a cylinder or prism wherein the interior of the reactor is divided by a cylindrical or prismatic gastight housing G which is arranged in the longitudinal direction of the reactor into an inner region having one or more catalytically active zones, in which in each case a packing composed of monoliths stacked on top of one another, next to one another and behind one another and before each catalytically active zone in each case a mixing zone having solid internals are provided, and an outer region B arranged coaxially to the inner region A, wherein the inner region A is insulated from the outer region B of the reactor by means of a microporous high-performance insulation material having a thermal conductivity 1 at temperatures up to 700° C. of less than 0.05 W/m*K is proposed.
    Type: Grant
    Filed: August 1, 2012
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Gerhard Olbert, Ulrike Wegerle, Grigorios Kolios, Carlos Tellaeche Herranz, Reinhold Höchst, Andrea Gienger, Roland Bauer
  • Pyridazine compounds for controlling invertebrate pests
    Patent number: 8853214
    Abstract: The present invention relates to pyridazine compounds of formulae I or II and the salts and N-oxides thereof, wherein the substituents have the meanings as defined in the description, a method for controlling invertebrate pests, to a method for protecting plant propagation material and/or the plants which grow therefrom, to plant propagation material, comprising at least one compound according to the present invention, to a method for treating or protecting an animal from infestation or infection by parasites and to an agricultural composition containing at least one compound according to the present invention.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Ronan Le Vezouet, Sebastian Soergel, Christian Defieber, Steffen Gross, Karsten Koerber, Douglas D. Anspaugh, Deborah L. Culbertson
  • Process for preparing moldings using mixtures of amines with guanidine derivatives
    Patent number: 8852489
    Abstract: The present invention provides a process for producing moldings, the curing of the mold being carried out using a blend comprising one or more epoxy resins and a mixture, the curing component a) being used within the mixture in the range from 0.3 to 0.9 amine equivalent per equivalent of epoxide of the epoxy resin used, and the hardener component b) being a compound of the formula I.
    Type: Grant
    Filed: July 17, 2009
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Lars Wittenbecher, Michael Henningsen, Gregor Daun, Dieter Flick, Joerg-Peter Geisler, Juergen Schillgalies, Erhard Jacobi
  • Method for the integrated production of cellulose and low-molecular-weight reusable materials
    Patent number: 8853478
    Abstract: The present invention relates to an integrated method for producing cellulose and at least one low-molecular-weight reusable material, in which a starting material containing lignocellulose is provided and subjected to a decomposition with a processing medium. A fraction enriched with cellulose and a fraction depleted of cellulose is then isolated from the decomposition material, the depleted fraction of cellulose being subjected to a treatment during which at least one low-molecular-weight reusable material is obtained.
    Type: Grant
    Filed: September 7, 2009
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Otto Machhammer, Jochem Henkelmann, Wolfgang Rohde, Mario Emmeluth, Sonja Giesa
  • Processes for preparing 4-chlorobenzenesulfonic acid and 4,4?-dichlorodiphenyl sulfone
    Patent number: 8853444
    Abstract: Processes for preparing 4-chlorobenzenesulfonic acid from 2-chlorobenzenesulfonic acid and/or 3-chlorobenzenesulfonic acid, which processes include the conversion of 2-chlorobenzenesulfonic acid and/or 3-chlorobenzenesulfonic acid to 4-chlorobenzenesulfonic acid in the presence of sulfuric acid at a temperature of 100 to 300° C.; as well as processes for preparing 4,4?-dichlorodiphenyl sulfone, which include such described processes for preparing 4-chlorobenzenesulfonic acid.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Patrick Deck, Heiner Schelling, Florian Garlichs
  • Boron trifluoride-catalyst complex and process for preparing high-reactivity isobutene homopolymers
    Patent number: 8853336
    Abstract: A catalyst complex composed of boron trifluoride and a cocatalyst mixture of 10 to 90% by weight of a monohydric primary C1- to C20-alcohol and 90 to 10% by weight of a monohydric secondary C3- to C20-alcohol, where the molar ratio of boron trifluoride to the sum of all alcohols is 2:1 to 1:10. This catalyst complex is used in the preparation of high-reactivity isobutene homopolymers having a number-average molecular weight of 300 to 50 000, using, as the feedstock, a C4 hydrocarbon mixture comprising at least 20% by weight of isobutene and a total of at least 10% by weight of other C4 olefins.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Thomas Wettling, Stefan Hirsch, Markus Brym, Markus Weis
  • Process for preparing substituted isoxazoline compounds and their precursors
    Patent number: 8853410
    Abstract: The present invention relates to a new method of preparing halogenated styrene compounds of formula (VIII) which are precursors in the process of synthesis of substituted isoxazoline compounds of formula (I) wherein R1 to R5, R8 and R9 are described as in the description. The present invention relates further to the synthesis of compounds of formula (I) starting from acetophenones. The desired styrenes of formula are prepared from the appropriate substituted acetophenone. Asides bromo anilines react with formoxime. Obtained oximes undergo a cycloaddition with the styrenes and give isoxazolines. Compounds of formula (I) can then be prepared in a palladium catalyzed carbonylative amination reaction of the isoxazolines.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Michael Rack, Karsten Koerber, Florian Kaiser
  • Method for maintaining the ratio of the oxime to equilibrium modifier concentration in solvent extraction circuits
    Patent number: 8852549
    Abstract: Provided are methods for maintaining the ratio of the oxime to equilibrium modifier concentration in solvent extraction circuits, said solvents essentially consisting of at least one ketoxime and/or aldoxime; at least one equilibrium modifier; and at least one diluent.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: October 7, 2014
    Assignee: BASF Corporation
    Inventors: Michael Virnig, Jack Bender, Nathan C. Emmerich
  • Process for preparing substituted 2-nitrobiphenyls
    Patent number: 8853455
    Abstract: The present invention relates to a process for preparing substituted 2-nitrobiphenyls and to specific 2-nitrobiphenyls. The invention further relates to a process for preparing 2-aminobiphenyls from such 2-nitrobiphenyls and to a process for preparing (het)arylamides of such 2-aminobiphenyls.
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Alexander Korte, Jan Klaas Lohmann, Thomas Grote, Klaus Ebel, Thomas Zierke, Horst Mayer, Ralf Wazulek
  • Water absorbent polymer particles formed by polymerizing droplets of a monomer solution and coated with sulfinic acid, sulfonic acid, and/or salts thereof
    Patent number: 8852742
    Abstract: The present invention relates to a process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution in a surrounding heated gas phase and flowing the gas cocurrent through the polymerization chamber, which comprises coating the water-absorbing polymer particles with at least one sulfinic acid, sulfonic acid and/or salts thereof.
    Type: Grant
    Filed: March 9, 2011
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Norbert Herfert, Thomas Daniel, Rainer Dobrawa
  • Crosslinkable dielectrics and methods of preparation and use thereof
    Patent number: 8853820
    Abstract: The present invention relates to an electronic device comprising at least one dielectric layer, said dielectric layer comprising a crosslinked organic compound based on at least one compound which is radically crosslinkable and a method of making the electronic device.
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: October 7, 2014
    Assignees: BASF SE, Polyera Corporation
    Inventors: Marcel Kastler, Silke Annika Koehler
  • Process for operating a mixing kneader
    Patent number: 8853333
    Abstract: The invention relates to a process for operating a mixing kneader, comprising one or more shafts on whose surfaces are disposed kneading bars and which are surrounded by a casing, comprising the following steps: (a) supplying reactants at an addition site in the mixing kneader, (b) converting the reactants in an exothermic reaction, the reaction at first forming a coherent kneadable intermediate, (c) tearing and dividing the coherent kneadable intermediate to form a product, the exothermic reaction optionally continuing during the tearing and division, (d) withdrawing the product at a withdrawal site in the mixing kneader, wherein at least one of the shafts and/or the casing is heated to a temperature above 20° C. during the operation of the mixing kneader.
    Type: Grant
    Filed: May 6, 2013
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Oskar Stephan, Monte Peterson, Karl J. Possemiers, Steven Lippens
  • Process for tertiary mineral oil production using surfactant mixtures
    Patent number: 8853136
    Abstract: A process for mineral oil production, especially Winsor type III microemulsion flooding, in which an aqueous surfactant formulation which comprises at least one alkylpolyalkoxysulfate comprising propoxy groups, and at least one further surfactant differing therefrom is used, is forced through injection wells into a mineral oil deposit and crude oil is removed from the deposit through production wells. The alkylpolyalkoxysulfate comprising propoxy groups is prepared in this case by sulfating an alkoxylated alcohol, the alkoxylated alcohol being prepared by alkoxylating an alcohol using double metal cyanide catalysts or double hydroxide clays.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Christian Bittner, Günter Oetter, Jack Tinsley, Christian Spindler, Gabriela Alvarez Jürgenson, Sophie Vogel
  • Device for controlling pests
    Patent number: 8850741
    Abstract: The invention relates to an apparatus for pest control comprising a hollow station (150) forming at least one entrance (160, 165) for the pests to be controlled and a harborage area inside the station; a reservoir for water (100) providing access to water from the inside of said hollow station (150); and a contact pesticide (170) for the pests to be controlled, said contact pesticide (170) being provided inside said hollow station (150) in such a way that pests which enter the hollow station (150) through said at least one entrance (160, 165) to come to the reservoir for water (100) or the harborage area come into contact with said contact pesticide (170).
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventor: Robert B. Hickman
  • Process for the homogeneously catalyzed amination of alcohols with ammonia in the presence of a complex catalyst which comprises no anionic ligands
    Patent number: 8853400
    Abstract: The invention relates to a process for preparing primary amines by alcohol amination of alcohols with ammonia with the elimination of water, where the alcohol amination is carried out under homogeneous catalysis in the presence of at least one complex catalyst which comprises ruthenium and at least one at least bidental donor ligand, but no anionic ligands.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Mathias Schelwies, Marion Brinks, Thomas Schaub, Johann-Peter Melder, Rocco Paciello, Martin Merger
  • Method for the coating of a cellulose material by using a glucan
    Patent number: 8852750
    Abstract: The present invention is directed to a method for coating a sheet-like cellulose containing material by applying a composition comprising at least one glucan (G), which has a ?(beta)-1,3-glycosidically linked main chain and at least one side group having a ?(beta)-1,6-glycosidic bond to the main chain, particularly Schizophyllan, and at least one solvent (S), particularly a ionic liquid, on the surface of the sheet-like material.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: October 7, 2014
    Assignees: Wintershall Holding GmbH, BASF SE
    Inventors: Mari Granström, Stephan Freyer, Rajan Hollmann, Julia Kristiane Schmidt, Alois Kindler
  • Promoters from for seed specific gene expression
    Patent number: 8853383
    Abstract: The present invention is concerned with means and methods for allowing tissue specific and, in particular, seed specific expression of genes. The present invention, accordingly, relates to a polynucleotide comprising an expression control sequence which allows seed specific expression of a nucleic acid of interest being operatively linked thereto. Moreover, the present invention contemplates vectors, host cells, non-human transgenic organisms comprising the aforementioned polynucleotide as well as methods and uses of such a polynucleotide.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: October 7, 2014
    Assignee: BASF Plant Science GmbH
    Inventors: Jörg Bauer, Toralf Senger
  • Highly functional, hyperbranched polycarbonates and production and use thereof
    Patent number: 8853331
    Abstract: Hyperbranched polycarbonates having stabilizing groups, prepared by reaction of (a) at least one compound having at least three alcoholic hydroxyl groups per molecule with (b) at least one reagent of the general formula I (c) and at least one reagent of the general formula X3-(A1)m-X4, where the variables are defined as follows: X1, X2 are identical or different and are selected from among halogen, C1-C10-alkoxy, C6-C10-aryloxy and O—C(?O)-halogen, X3 is a functional group selected from among OH, SH, NH2, NH—C1-C4-alkyl, iso-cyanate, epoxy, COOH, COOR12, C(?O)—O—C(?O), C(?O)—Cl, R12 is C1-C4-alkyl or C6-C10-aryl, A1 is a spacer or a single bond, m is zero or one. X4 is a group selected from among phenol groups, benzophenones, aromatic amines and nitrogen-comprising heterocycles, in each case substituted or unsubstituted.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Bernd Bruchmann, Jens Aβmann, Claudius Schwittay, Harald Schäfer