Patents Assigned to BASF
  • Poromeric synthetic leathers
    Patent number: 6231926
    Abstract: A process for producing poromeric synthetic leather comprises I. producing an essentially nonporous impregnate by impregnating a textile sheet material with an aqueous polyurethane dispersion and drying, and II. producing a poromeric synthetic leather from the impregnate by subjecting the impregnate to the action of an aqueous solution of a Brønsted base.
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: May 15, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Cesare Ronzani, Ralf Mossbach, Karl Häberle
  • Bisimino-substituted phenyl compounds and their use as pesticides
    Patent number: 6232317
    Abstract: Imino-substituted phenyl compounds of the formula I where the substituents have the following meanings: z is a group A or B  where  # denotes the bond with the phenyl ring and  Ra is halogen, alkyl or alkoxy; y is halogen, alkyl, haloalkyl or alkoxy; n is 0, 1 or 2, it being possible for the radicals Y to be different if n=2; R1 is halogen, haloalkyl or alkoxy; R2 is alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl or haloalkynyl; R3 is cyano, alkyl, haloalkyl, alkoxy, cycloalkoxy, alkoxyalkyl;  unsubstituted or substituted cycloalkyl, aryl, aryloxy or arylmethylene, heteroaryl, heterocyclyl,  C(R3a)═N—OR3b or C(R3a)═CR3cR3d, where R3a, R3b, R3c, R3d independently of one another are hydrogen, alkyl or unsubstituted or substituted phenyl, processes for their preparation, and their use.
    Type: Grant
    Filed: January 27, 2000
    Date of Patent: May 15, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Wassilios Grammenos, Herbert Bayer, Hubert Sauter, Thomas Grote, Andreas Gypser, Bernd Müller, Arne Ptock, Franz Röhl, Norbert Götz, Eberhard Ammermann, Volker Harries, Gisela Lorenz, Siegfried Strathmann
  • Substituted pyrazol-3-ylbenzazoles, their use as herbicides or desiccants/defoliants, and their preparation
    Patent number: 6232470
    Abstract: Substituted Pyrazol-3-ylbenzazoles I salts thereof, and their use as herbicides or for the desiccation/defoliation of plants.
    Type: Grant
    Filed: June 16, 1999
    Date of Patent: May 15, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Cyrill Zagar, Gerhard Hamprecht, Markus Menges, Olaf Menke, Peter Schäfer, Karl-Otto Westphalen, Ulf Misslitz, Helmut Walter
  • Method for producing ruthenium complexes
    Patent number: 6232482
    Abstract: Ruthenium complexes of the formula I or IV RuX2(═CH—CH2R)L1L2  (I) RuXY(═CH═CH2R)L1L2  (IV) where X, Y are anionic ligands, R is hydrogen or a substituted or unsubstituted C1-C20-alkyl radical or C6-C20-aryl radical and L1 and L2 are, independently of one another, uncharged electron donor ligands, are prepared by (a) reaction of RuX3 with L1 and L2 in an inert solvent in the presence of a reducing agent and hydrogen and (b) reaction with compounds of the formula II R—C≡CH  (II) where R is as defined above, in the presence or absence of water, and, if desired after isolation of the intermediate, with HY, [HL1]Y or [HL2]Y.
    Type: Grant
    Filed: May 8, 2000
    Date of Patent: May 15, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Schwab, Michael Schulz, Justin Wolf, Wolfram Stuer, Helmut Werner
  • Polyalkylene arylates containing a high proportion of carboxyl end groups
    Patent number: 6232435
    Abstract: A process for preparing polyalkylene arylates by esterifying or transesterifying an aromatic dicarboxylic acid or its esters or ester-forming derivatives with a molar excess of an aliphatic dihydroxy compound and polycondensing the resultant esterification or transesterification product comprises polycondensing the prepolymer with a viscosity number (VN) of <30 ml/g in the presence of an oxygen-containing gas.
    Type: Grant
    Filed: September 14, 2000
    Date of Patent: May 15, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Heitz, Helmut Heel, Peter Braune, Martin Klatt
  • Separation of (meth)acrylic acid by rectification
    Patent number: 6228227
    Abstract: In a process for the separation by rectification of (meth)acrylic acid from a mixture containing (meth)acrylic acid and an inert hydrophobic organic liquid having a boiling point higher than that of (meth)acrylic acid as main constituents and also lower aldehydes as secondary constituents, a primary amine and/or a salt thereof are added.
    Type: Grant
    Filed: March 24, 1999
    Date of Patent: May 8, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Holger Herbst, Gerhard Nestler, Jerry Darlington, Ulrich Hammon
  • Synthetic detergent base material and synthetic detergent bar produced therefrom
    Patent number: 6228822
    Abstract: Described are novel synthetic detergent base materials having a pH from 5 to 8 and consisting essentially of from 45 to 70 weight percent of mild synthetic surfactant, salts thereof, or a mixture of the mild synthetic surfactant and salts thereof; from 20 to 30 weight percent of C8-C22 fatty acid; from 1.5 to 10 weight percent of C8-C22 n-acyl sarcosine, salts thereof, or a mixture of the sarcosine and salts thereof; from 0.5 to 5 weight percent of C1-C22 alkyl aryl sulfonic acid, salts thereof, or a mixture of the sulfonic acid and salts thereof; and from 1 to 5 weight percent soap, e.g., salts of C8-C22 fatty acid. Also described are syndet bars prepared from the synthetic detergent base material.
    Type: Grant
    Filed: May 9, 1995
    Date of Patent: May 8, 2001
    Assignee: BASF Corporation
    Inventors: William C. Allison, Lorna Alderfer
  • Production of flexible polyurethane foams
    Patent number: 6228899
    Abstract: Flexible foams based on polyisocyanate polyaddition products are produced by reacting polyisocyanates with compounds which are reactive toward isocyanates in the presence of catalysts, blowing agents and, if desired, flame retardants, auxiliaries and/or additives, wherein polyether polyalcohols (c) which are obtainable by addition of alkylene oxides onto substances containing active hydrogens are used as substances which are reactive toward isocyanates, where, in a first stage, at least one substance (a) containing 2 or 3 active hydrogens is reacted with at least one alkylene oxide in the presence or absence of catalysts, subsequently at least one substance (b) which contains at least four active hydrogens and, if desired, further catalyst is added to the reaction mixture from the first stage and this mixture is then reacted in a second stage with at least one alkylene oxide.
    Type: Grant
    Filed: February 18, 1999
    Date of Patent: May 8, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Monika Wetterling, Marita Schuster, Bernd Güttes, Simone Kuhn
  • Superabsorbent polymer containing odor controlling compounds and methods of making the same
    Patent number: 6229062
    Abstract: An odor-controlling superabsorbent polymer and methods of manufacturing the odor-controlling superabsorbent polymer are disclosed. The odor-controlling superabsorbent polymer has an odor-controlling compound homogeneously distributed therein. The odor-controlling compound is a material selected from the group consisting of a cyclodextrin compound, an amphoteric surfactant, a water-insoluble phosphate, triclosan, and mixtures thereof.
    Type: Grant
    Filed: April 29, 1999
    Date of Patent: May 8, 2001
    Assignee: BASF Aktiengesellschaft Corporation
    Inventors: Kathleen Mandell, Jerald W. Darlington, Jr., Anthony S. Tomlin
  • Method for producing substituted pyrazoles
    Patent number: 6229022
    Abstract: Pyrazole derivatives are prepared by reacting carbonyl compounds R1—C(O)—CH(R2)—CH2R3 with hydrazine, its hydrate or its salts in 30 to 100% by weight sulfuric acid in the presence of catalytic amounts of iodine or of an iodine compound.
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: May 8, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans Rupert Merkle, Erich Fretschner
  • Preparation of mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates having a reduced iodine color number and a reduced chlorine content
    Patent number: 6229043
    Abstract: Mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates (raw MDI) having a reduced iodine color number and a reduced chlorine content are prepared by reacting the corresponding mixtures of diphenylmethanediamines and polyphenylpolymethylenepolyamines with phosgene in the presence of at least one inert organic solvent at elevated temperature, and then, after phosgenation is complete, incorporating into the reaction mixture, in the presence or absence of the phosgene, a mixture of water and at least one monohydric or polyhydric polyoxyalkylene alcohol, preferably having a functionality of from 2 to 3, and advantageously having a hydroxyl number of from 20 to 1800, in an effective amount which advantageously comprises from more than 0.01 to 0.3% by weight of water (i) and from 0.
    Type: Grant
    Filed: June 26, 1996
    Date of Patent: May 8, 2001
    Assignee: BASF Corporation
    Inventors: Dietrich Scherzer, Bernd Bruchmann, Roland Minges, Peter Keller, Willy van Pee, Wolfgang Heider, Siegmund Pohl, Bernhard Otto, Paul Jacobs, Wilfried Seyfert
  • Leaf-specific gene expression in transgenetic plants
    Patent number: 6229067
    Abstract: The present invention relates to promoters which cause, in plants, permanent leaf-specific expression of an encoding nucleotide sequence under the control of said promoters, for example a sequence which imparts resistance or an increase in the photosynthetic performance.
    Type: Grant
    Filed: April 14, 1999
    Date of Patent: May 8, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Uwe Sonnewald, Marcus Ebneth, Ralf-Michael Schmidt
  • Amine functional cellulose ester compounds and methods of making the same
    Patent number: 6229007
    Abstract: Disclosed are amine functional cellulose ester resins and methods of making the same. The amine functional cellulose ester resins comprise at least one repeat unit of the structure: wherein R1, R2, and R3 are selected independently from the group consisting of hydrogen, R4C═O, and wherein at least one of R1, R2, and R3 is hydrogen, at least one of R1, R2, and R3 is R4C═O, and at least one of R1, R2, or R3 have the structure R4 is selected from the group consisting of C1-C20 alkyl groups, C1-C20 phenyl groups, C1-C20 napthyl groups, and C1-C20 alkenyl groups, L is a divalent linking group and R6 is selected from the group consisting of H and compounds having at least one secondary amine group, tertiary amine group, and mixtures thereof.
    Type: Grant
    Filed: September 30, 1999
    Date of Patent: May 8, 2001
    Assignee: BASF Corporation
    Inventors: Anthony J. Tye, Gerald L. Bajc
  • Process for synthesis of allophanate compounds and compositions including the product thereof
    Patent number: 6228472
    Abstract: The invention provides a process for preparing an allophanate-containing compound in the presence of a metal catalyst and a tertiary amine. In a preferred process, the tertiary amine compound also has a hydroxyl group. The hydroxyl group can react with the isocyanate functionality. Also disclosed is a process in which an allophanate-containing compound is prepared with copper acetate monohydrate as a catalyst. The allophanate-containing compound is used as a curing agent in coating compositions, particularly electrocoat coating compositions. The coating compositions are used to coat articles.
    Type: Grant
    Filed: December 21, 1998
    Date of Patent: May 8, 2001
    Assignee: BASF Corporation
    Inventor: Charles L. Tazzia
  • DNA molecules which code for a plastid 2-oxoglutarate/malate
    Patent number: 6225526
    Abstract: DNA molecules are described which code for a plastid 2-oxoglutarate/malate translocator, particularly from Spinacia oleracea, as well as bacteria, fungi, transgenic plant cells and transgenic plants containing such DNA molecules.
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: May 1, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulf-Ingo Flügge, Andreas Weber, Karsten Fischer
  • Low-formaldehyde dispersion of microcapsules of melamine-formaldehyde resins
    Patent number: 6224795
    Abstract: A process for the preparation of microcapsules by the condensation of melamine-formaldehyde resins and/or the methyl ethers thereof in water, in which the substantially water-insoluble material forming the core of the capsule is dispersed, in the presence of an anionic protective colloid at pH's of from 3 to 6.5 by the formation of the microcapsules at temperatures of from 20° to 50° C. followed by curing of the shell of the capsules at from >50° to 100° C., in which, prior to curing, from 10 to 200 wt % of urea, whose amino groups are optionally linked to an ethylene or propylene bridge, based on the melamine-formaldehyde resin are added, the microcapsules produced by this process and also the use thereof in a pressure-sensitive recording system.
    Type: Grant
    Filed: July 26, 1999
    Date of Patent: May 1, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Gabriele Frank, Ralf Biastoch
  • Hydroximic acid halogenides, method for the production and use thereof
    Patent number: 6225349
    Abstract: Hydroximic acid halides of the formula I where the substituents have the following meanings: X is NOCH3, CHOCH3 or CHCH3; Y is O or NH; R1 is halogen; R2 is unsubstituted or substituted alkyl, alkenyl, alkynyl, cycloalkyl or aryl; R3 is unsubstituted or substituted alkyl, alkoxyalkyl, cycloalkyl-alkyl, alkenyl and alkynyl, their salts, processes for their preparation, and their use.
    Type: Grant
    Filed: July 28, 1999
    Date of Patent: May 1, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Herbert Bayer, Hubert Sauter, Bernd Müller, Wassilios Grammenos, Reinhard Kirstgen, Andreas Gypser, Arne Ptock, Thomas Grote, Franz Röhl, Michael Rack, Roland Götz, Gisela Lorenz, Eberhard Ammermann, Siegfried Strathmann, Volker Harries
  • Method of preparing aldehydes by hydroformylation with a rhodium catalyst and recovery of the rhodium catalyst by extraction
    Patent number: 6225507
    Abstract: A process for the preparation of aldehydes or aldehydes and alcohols by hydroformylation of olefins containing more than 3 carbon atoms, comprising a hydroformylation stage, in which the olefin is hydroformylated under a pressure of form 50 to 1000 bar and at a temperature of from 50° to 180° C. by means of a rhodium catalyst dissolved in a homogenous reaction medium and a catalyst recovery stage comprising extraction of the rhodium catalyst with an aqueous solution of chelating agent, isolation of alcohols and/or aldehyde from the extracted hydroformylation product steam, precarbonylation of the aqueous rhodium-containing extract in the presence of carbon monoxide, synthesis gas as, or a gas mixture containing carbon monoxide under a pressure of from 50 to 1000 bar and at a temperature of from 50° to 180° C.
    Type: Grant
    Filed: August 4, 1998
    Date of Patent: May 1, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernhard Giessler, Heinz-Josef Kneuper, Michael Röper, Rocco Paciello, Knut Oppenländer, Wolfgang Günther
  • Production of highly concentrated adhesive dispersions and their use
    Patent number: 6225401
    Abstract: Readily filterable and deodorizable aqueous dispersions of pressure-sensitive adhesive, especially for self-adhesive labels, having solids contents of more than 65%, can be prepared with readily reproducible properties by copolymerizing esters of acrylic and/or methacrylic acid in the presence of less than 50 ppm of inhibitor and, preferably, in the presence of from 0.01 to 5% by weight of reducing agent by a special emulsion technique. The highly concentrated pressure-sensitive adhesive dispersion, subsequently deodorized with steam, is free from coagulum and seediness.
    Type: Grant
    Filed: February 22, 1999
    Date of Patent: May 1, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerd Rehmer, Bernd Stanger, Gerhard Auchter, Johannes Türk, Oral Aydin, Rüdiger Füssl
  • Plant growth regulator compositions
    Patent number: 6224734
    Abstract: The invention provides novel mepiquat plant growth regulator compositions which have improved hygroscopicity and corrosion characteristics. The novel mepiquat plant growth regulator compositions of the invention can be readily prepared from technical mepiquat chlorid inter alia by electrochemical ion exchange processes or by quaternization of N-methylpiperidine with dimethylcarbonate as starting material.
    Type: Grant
    Filed: September 22, 1999
    Date of Patent: May 1, 2001
    Assignees: BASF Aktiengesellschaft, BASF Corporation
    Inventors: Reiner Kober, David G. Hobbs, Scott W. Gibson, Kenneth Eugene Fersch, Wilhelm Rademacher, Jörg Botzem, Markus Frede, Matthias Dernbach, Reimer Göttsche, Reinhard Dötzer