Patents Assigned to BASF
  • 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
  • Method of making a polymer from a polymer precursor composition
    Patent number: 6828377
    Abstract: A method of making a polymer is disclosed. The method includes the following steps: packaging a polymer precursor composition in a sealable container; transferring the polymer precursor composition from the sealable container to a reaction vessel; and polymerizing the polymer precursor composition. A method of making a thermoformable article from a pre-packaged polymer precursor composition is also disclosed. Further, a method of doing business, which includes the step of offering for sale a sealable container containing a polymer precursor composition, is disclosed. In addition, articles of manufacture are disclosed. One article includes a sealable container containing a polymer precursor composition.
    Type: Grant
    Filed: June 4, 2002
    Date of Patent: December 7, 2004
    Assignee: BASF Corporation
    Inventors: Otto Ilg, Harry Hu
  • Method for reducing the content of an unsaturated amine in a mixture containing an amine and a nitrile
    Patent number: 6828457
    Abstract: A process is provided for reducing the content of a monounsaturated aliphatic amine (III) in a mixture (IV) containing an aminonitrile (I) or a diamine (II), or mixtures thereof, and the amine (III), wherein a) the mixture (IV) is reacted with an anionic nucleophile (V),  which contains a nucleophilic atom selected from the group comprising oxygen, nitrogen and sulfur,  which is capable of taking up an H+ ion to form an acid with a pKa ranging from 7 to 11, measured in water at 25° C., and  which has a relative nucleophilicity, measured in methyl perchlorate/methanol at 25° C.,  ranging from 3.4 to 4.7 when oxygen is the nucleophilic atom,  ranging from 4.5 to 5.8 when nitrogen is the nucleophilic atom, and  ranging from 5.5 to 6.8 when sulfur is the nucleophilic atom,  in an amount ranging from 0.
    Type: Grant
    Filed: May 21, 2003
    Date of Patent: December 7, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Frank Ohlbach, Christoph Benisch, Hermann Luyken, Andreas Ansmann, Rolf-Hartmuth Fischer, Johann-Peter Melder, Peter Bassler, Stefan Maixner
  • Method for separating alkali metal ions from alkoxylates
    Patent number: 6827858
    Abstract: Alkali metal ions are separated off from alkoxylates containing alkali metal ions by a process comprising: a) dilution of the alkali metal-containing alkoxylate with an inert solvent, b) treatment of the alkali metal-containing solution of the alkoxylate with a cationic exchanger in order to obtain a substantially alkali metal-free solution of the alkoxylate, and c) removal of the solvent from the substantially alkali metal-free solution of the alkoxylate in order to obtain a substantially alkali metal-free and substantially solvent-free alkoxylate.
    Type: Grant
    Filed: November 14, 2002
    Date of Patent: December 7, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Joachim Bader, Hans-Heinrich Bechtolsheimer, Armin Brucker, Toni Dockner, Gabriele Iffland, Hans Klink, Stefan Martin, Jürgen Mohr, Hans-Martin Mugrauer
  • Epoxide hydrolases from streptomyces
    Patent number: 6828115
    Abstract: A description is given of epoxide hydrolases from bacteria of the genus Streptomyces, a novel process for the enzymatic separation of epoxide enantiomeric mixtures, of a novel detection method for epoxide hydrolase activity, a screening method for detecting epoxide hydrolase activity and the use of bacteria of the genus Streptomyces and of the resultant epoxide hydrolases for enantioselective epoxide hydrolysis.
    Type: Grant
    Filed: January 23, 2002
    Date of Patent: December 7, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Frank Zocher, Markus Enzelberger, Rolf D. Schmid, Wolfgang Wohlleben, Bernhard Hauer
  • Sol-gel coating
    Patent number: 6828381
    Abstract: A sol-gel coating material, containing (A) an acrylate copolymer solution, consisting of at least one acrylate copolymer; (B) a parent lacquer which can be produced by the hydrolysis and condensation of at least one hydrolysable silane of the formula (I): SiR4; wherein: R=hydrolysable groups, hydroxy groups and non-hydrolysable groups, with the proviso that there should be at least one hydrolysable group; and (C) a sol which can be produced by the hydrolysis, condensation and complexing of (C1) at least one hydrolysable metal compound of the (II): MRn; wherein: M=aluminium, titanium or zirconium, R=the aforementioned given groups and n=3 or 4; of (C2) at least one organic thio compound of the formula (III): S(R1X)2, wherein R1 represents a two-bond organic radical and X represents hydroxyl, thiol and/or primary and/or secondary amino groups; and of (C3) a hydrolysable silane of the general formula (I).
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: December 7, 2004
    Assignee: BASF Coatings AG
    Inventors: Manuela Armbrust, Wolfgang Bremser, Horst Hintze-Brüning, Wilfried Stübbe, Peter Betz, Christel Ehlig
  • Heterogeneously catalyzed partial gas phase oxidation of propene to acrylic acid
    Publication number: 20040242926
    Abstract: In a process for heterogeneously catalyzed partial gas phase oxidation of propene to acrylic acid, the starting reaction gas mixture is oxidized at a propene loading of <160 l(STP)/l·h in a first reaction stage over a fixed catalyst bed 1 which is accommodated in two successive reaction zones A, B, and the acrolein-containing product gas mixture of the first reaction stage is subsequently oxidized in a second reaction stage over a fixed catalyst bed 2 which is a accommodated in two successive reaction zones C, D, the highest temperature of the reaction gas mixture within reaction zone A being above the highest temperature of the reaction gas mixture within reaction zone B and the highest temperature of the reaction gas mixture within reaction zone C being above the highest temperature of the reaction gas mixture within reaction zone D.
    Type: Application
    Filed: March 15, 2004
    Publication date: December 2, 2004
    Applicant: BASF Aktiengesellschaft
    Inventors: Martin Dieterle, Jochen Petzoldt, Klaus Joachim Muller-Engel, Heiko Arnold
  • Solid containing groups which are bound to the base structure via ureathane groups and which contain bonds that can be activated by actinic radiation, and the use thereof
    Patent number: 6825241
    Abstract: Solids containing (i) on average per molecule at least two groups (a) having at least one bond which can be activated with actinic radiation whereby the groups (a) are structurally different from one another and are attached to the parent structure of the solid via urethane groups, or containing (ii) on average per molecule more than one group (a) having at least one bond which can be activated with actinic radiation, the groups being structurally different from one another or the same and being attached to the parent structure of the solid via urethane groups, and from 0.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: November 30, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Rainer Blum, Reinhold Schwalm, Rainer Königer
  • Method for the mutagenesis of nucleotide sequences in plants algae or fungi
    Patent number: 6824983
    Abstract: The invention relates to a method for the mutagenesis of eucaryotic nucleotide sequences, preferably from plants, algae and/or fungi and a method for the production of genetically modified eucaryotic cells. The subject of the invention is the genetically altered nucleotide sequences of the type disclosed, vectors containing such nucleotide sequences, as well as genetically altered eucaryotic cells, tissue and/or parts of plants, algea and/or fungi and/or regenerated whole plants and the use thereof.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: November 30, 2004
    Assignees: BASF Plant Science GmbH, Albert-Ludwigs-Universitat Freiburg
    Inventors: Bodo Rak, Ralf Reski, Susanne Zimmermann, Marie-Christine Guitton, Elke Duwenig, Annette Freund
  • Anionically polymerized, impact-resistant polystyrene with capsule particle morphology
    Patent number: 6825271
    Abstract: The invention relates to an anionically polymerised, impact-resistant polystyrene with a dispersed plasticiser phase, comprising particles with capsule particle morphology and method for production thereof.
    Type: Grant
    Filed: November 7, 2002
    Date of Patent: November 30, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Philippe Desbois, Christian Schade, Hermann Gausepohl
  • Genes and vectors for conferring herbicide resistance in plants
    Patent number: 6825399
    Abstract: Genomic and cDNA sequences and plant expression vectors for encoding an eukaryotic AHAS small subunit are disclosed. The DNA sequences and vectors are used to transform plants to produce transgenic plants which possess elevated levels of tolerance or resistance to herbicides, such as imidazolinones.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: November 30, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Genichi Kakefuda, Colleen Costello, Ming Sun, Weiming Hu
  • Oxidized polyolefin waxes
    Patent number: 6825283
    Abstract: Oxidized waxes which are prepared by oxidizing polyolefins obtained by single-site catalysis of transition metal complexes from groups 5 to 8 of the Periodic Table of the Elements and have a molecular weight Mw in the range from 1000 to 40,000 g/mol.
    Type: Grant
    Filed: December 16, 2002
    Date of Patent: November 30, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Shahram Mihan, Andreas Deckers
  • Device and method for producing molten salts and use thereof
    Patent number: 6824702
    Abstract: The invention relates to an apparatus and a process for the preparation of salt melts, and mixtures thereof, by means of a stirred reactor and a tubular reactor, in which the starting materials are melted and brought to reaction, and the reaction products are subsequently passed through columns or towers for purification.
    Type: Grant
    Filed: September 20, 2001
    Date of Patent: November 30, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans Leonhard Ohrem, Susanne Brzezinski
  • Method for determining the water solubility or water dispersibility of waterborne beta-hydroxy primary carbamate functional graft materials
    Patent number: 6825286
    Abstract: The invention relates to a method of making waterborne multifunctional materials, especially waterborne multifunctional materials comprising at least one primary carbamate group and a grafting moiety (cii). The method of the invention requires the successive or simultaneous reactions of a material P with a grafting material (c) and ammonia. Material P comprises two or more cyclic carbonate groups (bi). Grafting material (c) comprises at least one amine group (ci) and a grafting moiety (cii). The amine group (ci) is selected from primary amines, secondary amines, and mixtures thereof. The resulting waterborne multifunctional materials may be water dispersible, water soluble and/or useful in electrodeposition coatings.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: November 30, 2004
    Assignee: BASF Corporation
    Inventors: Walter H. Ohrbom, Patricia A. Herrel
  • Pressure sensitive adhesives comprising silicon compounds
    Publication number: 20040235995
    Abstract: A pressure sensitive adhesive comprising an aqueous dispersion of a polymer, said dispersion comprising, besides the polymer, silicon compounds selected from polymeric silicates, water-soluble alkali metal silicates (waterglass), silanes, and silicones obtainable from the silanes by condensation.
    Type: Application
    Filed: April 15, 2004
    Publication date: November 25, 2004
    Applicant: BASF Aktiengesellschaft
    Inventors: Oral Aydin, Andree Dragon, Heiko Diehl
  • Carbamate functional reactive polymer composition
    Publication number: 20040236031
    Abstract: Disclosed is a carbamate functional reactive polymer composition, comprising an acrylic resin (a′) comprising a functional group (F3) that is at least one of a primary carbamate group, a primary hydroxyl group, a secondary hydroxyl group, and mixtures thereof, and a nonvolatile solvent (b′nv) that is not a crystalline solid at 75° C. but is a fluid solid at a temperature of free radical polymerization and comprises (i) four or more isomers, and (ii) at least two reactive functional groups (F2) that are selected from primary carbamate, primary hydroxyl, and secondary hydroxyl, wherein no more than 10% of the sum of functional groups (F2) and (F3) are primary hydroxyl groups and at least 60% of the sum of functional groups (F2) and (F3) are primary carbamate groups. In one exemplary embodiment, the reactive polymer composition is made by a disclosed method.
    Type: Application
    Filed: June 11, 2004
    Publication date: November 25, 2004
    Applicant: BASF CORPORATION, a CORPORATION
    Inventors: Walter H. Ohrbom, Marvin L. Green, Gregory G. Menovcik
  • Using aqueous binders in producing abrasive materials
    Publication number: 20040236008
    Abstract: The present invention relates to the use of an aqueous polymer dispersion comprising dispersed particles of at least one polymer A1 having a glass transition temperature, Tg, of from −20° C. to +35° C.
    Type: Application
    Filed: January 20, 2004
    Publication date: November 25, 2004
    Applicant: BASF Akiengesellschaft
    Inventors: Matthias Laubender, Matthias Gerst, Bernd Reck, Manfred Weber
  • Aqueous coating substance, method for its production and its use
    Patent number: 6822038
    Abstract: An aqueous coating material comprising A) at least one polyester that is water-soluble or water-dispersible, B) at least one polyurethane acrylate that is water-soluble or water-dispersible, C) at least one amino resin that is itself water-soluble or water-dispersible or is water-soluble or water-dispersible in the presence of the polyester and the polyurethane acrylate, D) at least one of a color pigment, an effect pigment, a color and effect pigment, and a filler, and E) optionally at least one polyisocyanate. Also, processes for preparing and using the aqueous coating material.
    Type: Grant
    Filed: February 26, 2002
    Date of Patent: November 23, 2004
    Assignee: BASF Coatings AC
    Inventors: Lutz-Werner Gross, Ludwig Moorkamp, Heinz-Ulrich Grumpe, Ulrich Poth
  • Varnish and its use for producing varnish coatings and color-and/or effect-producing multi-layer coatings
    Patent number: 6822044
    Abstract: The use of a copolymer (A) preparable by free-radical polymerization of a) at least one olefinically unsaturated monomer and b) at least one olefinically unsaturated monomer different than the olefinically unsaturated monomer (a) and of the general formula I R1R2C═CR3R4  (I)  in which the radicals R1, R2, R3 and R4 each independently of one another are hydrogen atoms or substituted or unsubstituted alkyl, cycloalkyl, alkylcycloalkyl, cycloalkylalkyl, aryl, alkylaryl, cycloalkylaryl, arylalkyl or arylcycloalkyl radicals, with the proviso that at least two of the variables R1, R2, R3 and are substituted or unsubstituted aryl, arylalkyl or arylcycloalkyl radicals, especially substituted or unsubstituted aryl radicals; in an aqueous medium, in a clearcoat material used to produce clearcoats KL and multicoat color and/or effect coating systems ML.
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: November 23, 2004
    Assignee: BASF Coatings AG
    Inventor: Wolfgang Bremser
  • Method for producing alcoxylated carbonyl compounds by an anodic oxidation method using a cathodic coupled reaction for organic synthesis
    Patent number: 6822124
    Abstract: A method for producing alcoxylated carbonyl compounds of general formula (I) (compounds I): R1aR2C(OR3)b wherein R1, R2 represent hydrogen or C1-C6-alkyl, R3 independently means C1-C6-alkyl, a is 0 or 1, b 2 or 3 with the proviso that the sum of a and b is 3, by means of anodic oxidation of germinal dialcoxy compounds of general formula (II) (compounds II) wherein R4, R5, R6, R7 represent hydrogen or C1-C6-alkyl, R5, R6 represent C1-C6-alkyl or C1-C6-alcoxy, in the presence of a C1-C6-alkyl alcohol (compounds III). A usual compound (compound IV) is used as a cathodic depolarizer suitable for electrochemical oxidation. The anodic oxidation and cathodic reduction is carried out in an undivided electrolyte cell in the presence of C1-C6-alkyl alcohols.
    Type: Grant
    Filed: May 22, 2003
    Date of Patent: November 23, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Hermann Pütter, Andreas Fischer