Patents Assigned to BASF
  • Publication number: 20120273984
    Abstract: The present invention relates to a process for recycling multiphase moldings.
    Type: Application
    Filed: April 24, 2012
    Publication date: November 1, 2012
    Applicant: BASF SE
    Inventors: Philippe Desbois, Dietrich Scherzer, Andreas Wollny, Andreas Radtke, Jan Kurt Walter Sandler
  • Publication number: 20120277374
    Abstract: The invention is a method of producing an essentially electrically neutral polymer dispersion, comprising a polymerizing one or more monomers in the presence of a nonionic surfactant, wherein the polymerization preferably occurs in the absence of ionic surfactants. The invention also includes methods of producing positively or negatively charged polymer dispersions comprising producing the essentially nonionic polymer dispersion and further adding a cationically-charged or anionically-charged surfactant or electrolyte. The invention further includes dispersions produced by the methods of the invention and polymer films and powders produced from these dispersions.
    Type: Application
    Filed: July 10, 2012
    Publication date: November 1, 2012
    Applicant: BASF SE
    Inventors: Koichi Takamura, Amin Burghart
  • Publication number: 20120277473
    Abstract: In a process for producing C1-C10 aldehydes by oxidative dehydrogenation of C1-C10 alcohols over a shaped catalyst body obtainable by three-dimensional shaping and/or arranging in space of silver-containing fibers and/or threads, the average diameter or the average diagonal length of an essentially rectangular or square cross section of these silver-containing fibers and/or threads is in the range from 30 ?m to 200 ?m.
    Type: Application
    Filed: April 25, 2012
    Publication date: November 1, 2012
    Applicant: BASF SE
    Inventors: Christian Baltes, Grigorios Kolios, Peter Resch, Ulrike Wegerle, Torsten Mäurer
  • Patent number: 8299207
    Abstract: A process for removing residual monomers from water-absorbing polymer particles, wherein the water-absorbing polymer particles are thermally aftertreated in a mixer with rotating mixing tools at a temperature of at least 60° C. in the presence of water vapor.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: October 30, 2012
    Assignee: BASF SE
    Inventors: Robert Wengeler, Karin Flore
  • Patent number: 8299249
    Abstract: The invention relates to a process for preparing triethylenetetramine (TETA), which, comprises the following steps: a) reaction of ethylenediamine (EDA) with formaldehyde and hydrocyanic acid (HCN) in a molar ratio of EDA to formaldehyde to HCN of from 1:1.5:1.5 to 1:2:2 to give ethylenediaminediacetonitrile (EDDN), b) hydrogenation of the EDDN obtained in step a) in the presence of a catalyst and a solvent.
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: October 30, 2012
    Assignee: BASF SE
    Inventors: Kirsten Dahmen, Alfred Oftring, Katrin Baumann, Randolf Hugo, Thilo Hahn, Johann-Peter Melder
  • Patent number: 8298980
    Abstract: A process for producing geometric shaped catalyst bodies K whose active material is a multielement oxide which comprises the element Mo, the elements Bi and/or V and one or more of the elements Co, Ni, Fe, Cu and alkali metals, in which sources of the different elements are used to obtain a finely divided mixture which is coarsened to a powder by press agglomeration, the coarsened powder is used to form, by press agglomeration, shaped bodies V which are separated into undamaged shaped bodies V+ and into damaged shaped bodies V?, the undamaged shaped bodies V+ are converted by thermal treatment to the shaped catalyst bodies K, and the damaged shaped bodies V? are comminuted and recycled into the obtaining of the finely divided mixture.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: October 30, 2012
    Assignee: BASF SE
    Inventors: Andreas Raichle, Holger Borchert, Klaus Joachim Mueller-Engel, Catharina Horstmann, Josef Macht
  • Patent number: 8299180
    Abstract: The present invention is directed to compositions comprising a cellulose reactive functionalized polyvinylamine first adduct, compositions comprising combinations of the cellulose reactive functionalized polyvinylamine first adduct and cellulose reactive functionalized polyvinylamide second adduct, methods for preparing first adduct and second adduct blends and finally methods of increasing the wet or dry strength of paper by incorporation into the paper furnish or coating a paper or board with said adducts.
    Type: Grant
    Filed: May 23, 2011
    Date of Patent: October 30, 2012
    Assignee: BASF SE
    Inventor: Matthew D. Wright
  • Patent number: 8299164
    Abstract: Disclosed is an aqueous clearcoat material for producing a waterborne urethane-based two-coat coating system, comprising at least one secondary polyacrylate dispersion having a polyacrylate glass transition temperature Tg?20° C. and at least one hybrid polyacrylate-polyurethane dispersion with a weight ratio of the polyacrylate fraction of the secondary dispersion to the polyacrylate-polyurethane fraction of the hybrid dispersion of 1:1 to 4:1, and as curing agent at least one low-viscosity aminosulfonic polyisocyanate and an aqueous basecoat material for producing a waterborne two-coat coating system comprising at least one polyurethane dispersion, at least one hybrid polyacrylate-polyurethane dispersion, and at least one melamine resin. Also disclosed are a waterborne two-coat coating system comprising the clearcoat material and the basecoat material, a process for producing it, its use to coat a substrate, and substrates coated with it.
    Type: Grant
    Filed: April 30, 2008
    Date of Patent: October 30, 2012
    Assignee: BASF Coatings GmbH
    Inventors: Anne Fickers, Heinz-Peter Rink, Andreas Dopp
  • Patent number: 8298471
    Abstract: The present invention relates to a process for producing polymer fibers, especially nano- and mesofibers, by electrospinning a colloidal dispersion of at least one essentially water-insoluble polymer in an aqueous medium, and to fibers obtainable by this process, to textile fabrics comprising the inventive fibers, and to the use of the inventive fibers and of the inventive textile fabrics.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: October 30, 2012
    Assignee: BASF SE
    Inventors: Rajan Venkatesh, Evgueni Klimov
  • Patent number: 8298967
    Abstract: A corrosion-resistant lath is provided for use in exterior finishing systems, such as stucco systems and exterior insulation and finish systems (“EIFS”). The lath includes in a first embodiment an open, woven fabric comprising weft and warp yarns containing non-metallic fibers, such as glass fibers. A portion of the weft yarns are undulated, resulting in an increased thickness for the fabric. The fabric is coated with a polymeric resin for substantially binding the weft yarns in the undulated condition. This invention also includes methods for making an exterior finish system and building wall including an exterior finish system using such a lath.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: October 30, 2012
    Assignee: BASF Corporation
    Inventors: William F. Egan, Mark Newton, Mark W. Tucker
  • Patent number: 8299262
    Abstract: The present invention relates to novel pyridylmethyl-sulfonamide compounds of formula (I) where: n is 0 to 4; m is 0 to 4; R1 is halogen, CN, NO2, OH, SH, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy, C1-C4-haloalkoxy, etc.; and/or two radicals R1 together form a fused ring; R2 is H, C1-C4-alkyl, C1-C4-haloalkyl, C2-C4-alkenyl, C2-C4-alkynyl, C3-C8-cycloalkyl, C1-C4-alkyl-C3-C8-cycloalkyl or benzyl; R3 is halogen, CN, NO2, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy or C1-C4-haloalkoxy; Y is —O—, C1-C4-alkanediyl, —O—CH2—, —CH2—O—, —C(NORn)—, —S—, —S(?O)—, —S(?O)2— or —N(Rn)—; and the N-oxides, and salts thereof and their use for combating phytopathogenic harmful fungi, and also to compositions and seed comprising at least one such compound.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: October 30, 2012
    Assignee: BASF SE
    Inventors: Wassilios Grammenos, Jan Klaas Lohmann, Thomas Grote, Jochen Dietz, Bernd Mueller, Michael Puhl, Jens Renner, Sarah Ulmschneider, Marianna Vrettou, Joachim Rheinheimer
  • Patent number: 8299299
    Abstract: A process for separating acrylic acid present as a main product and glyoxal present as a by-product in a product gas mixture of a partial gas phase oxidation of a C3 precursor compound, in which a liquid phase P is obtained, which consists of acrylic acid to an extent of at least 70% of its weight and, based on the molar amount of acrylic acid present therein, comprises at least 200 molar ppm of glyoxal, in which the glyoxal is separated from the acrylic acid in the liquid phase P by crystallization.
    Type: Grant
    Filed: July 24, 2009
    Date of Patent: October 30, 2012
    Assignee: BASF SE
    Inventors: Till Blum, Peter Zurowski, Steffen Rissel, Sylke Haremza, Thorsten Friese, Ulrich Jaeger, Volker Schliephake, Klaus Joachim Mueller-Engel, Ulrich Hammon, Joerg Heilek, Imke Britta Mueller
  • Patent number: 8299171
    Abstract: The present invention relates to a spray-polyurethane system which comprises a polyol component (A) and an isocyanate component (B), where the polyol component (A) comprises a1) at least one compound reactive with isocyanate, a2) at least one reactive chain extender having at least two groups reactive toward isocyanates, where at least one group reactive toward isocyanates is a free, primary NH2 group, and also a3) at least one metal catalyst, and a4) if appropriate, further additives, where the spray-polyurethane system comprises no amine catalyst. The present invention moreover relates to a process for production of a backing layer composed of polyurethane for moldings and to the use of this backing layer for production of automobile parts. Inventive backing layers have good mechanical properties, and low emissions, and their demolding time is small when compared with the open assembly time.
    Type: Grant
    Filed: July 18, 2007
    Date of Patent: October 30, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Cord Schmalkuche, Udo Hadick, Holger Leifheit, Georg Partusch, Franz Xaver Redl
  • Patent number: 8298510
    Abstract: The addition of a compatible metal salt crystal to the organic solution entering the mixer(s) in the solvent extraction stage(s) and/or the stripping stage(s), or to the emulsion mixture of the organic solution and the aqueous solution in the mixer(s), or to the mixture of the organic solution and the aqueous solution in a settler tank(s) following the mixer(s) in the solvent extraction and/or stripping stage(s) following the leaching of metal values from the ore containing that/those value(s) into an aqueous solution, and prior to the further refining of those values in processes, such as electrowinning, during mining operations for those metal values in order to improve the phase separation of the organic phase and the aqueous phase, and to promote the removal of contaminants from the organic phase.
    Type: Grant
    Filed: May 16, 2007
    Date of Patent: October 30, 2012
    Assignee: BASF Corporation
    Inventors: Eladio Rojas, Hans C. Hein
  • Publication number: 20120267579
    Abstract: The present invention relates to the use of mixtures which comprise, as components K1), one or more merocyanines selected from the group of the compounds of the general formulae Ia, Ib, Ic, Id, Ie, IIa and IIb, as defined in more detail in the description, as an electron donor or electron acceptor, and, as component K2), one or more compounds which, with respect to component K1), act correspondingly as an electron acceptor or electron donor, for producing photoactive layers for organic solar cells and organic photodetectors, to a process for producing photoactive layers, corresponding solar cells and organic photodetectors, and to mixtures which comprise, as components, one or more compounds of the general formulae Ia, Ib, Ic, Id, Ie, IIa and/or IIb of component K1, as defined in more detail in the description, and one or more compounds of component K2.
    Type: Application
    Filed: October 11, 2010
    Publication date: October 25, 2012
    Applicant: BASF SE
    Inventors: Jae Hyung Hwang, Peter Erk, Helmut Reichelt, Ruediger Sens, Ingmar Bruder, Antti OJala, Jan Schoeneboom, Frank Wuerthner, Hannah Buerckstuemmer, Elena Tulyakova, Klaus Meerholz, Vera Steinmann, Nils Kronenberg
  • Publication number: 20120271029
    Abstract: The present invention relates to a process for preparing hydroxypivalaldehyde (HPA), which comprises in a first stage reacting isobutyraldehyde with formaldehyde in the presence of a tertiary amine and in a second stage introducing the reaction output obtained from the first stage into a stripping column. The present application further relates to a process for preparing neopentyl glycol (NPG) by hydrogenating the hydroxypivalaldehyde prepared in accordance with the invention and the further conversion of the NPG thus obtained to polyester resins, unsaturated polyester resins, lubricants or plasticizers.
    Type: Application
    Filed: April 13, 2012
    Publication date: October 25, 2012
    Applicant: BASF SE
    Inventors: Helmut Kronemayer, Michael Steiniger, Eva Kretzschmar, Norbert Asprion, Marcus Bechtel
  • Publication number: 20120267484
    Abstract: A fastening device for heat transfer medium lines comprising a strip-shaped carrier element (10) and a plurality of claw-shaped retaining elements (12) which in each case comprise two side parts, one end of which is firmly joined to the upper side of the carrier element (10), it being possible to place a heat transfer medium line (30) between the in each case two side parts of a retaining element (12), wherein the side parts of the retaining elements (12) comprise a collar (14) at their end remote from the carrier element (10) and, with regard to their transverse orientation, are arranged substantially perpendicularly to the longitudinal direction of the carrier element (10).
    Type: Application
    Filed: April 18, 2012
    Publication date: October 25, 2012
    Applicant: BASF SE
    Inventors: Stefan Wittmer, Stefan Bregel, Hasan Amasheh
  • Publication number: 20120271090
    Abstract: Process for isomerizing linear alpha-olefins having from 10 to 25 carbon atoms over a heterogeneous catalyst.
    Type: Application
    Filed: December 20, 2010
    Publication date: October 25, 2012
    Applicant: BASF SE
    Inventors: Lucia Königsmann, Ekkehard Schwab, Thilo Hahn, Germain Kons
  • Publication number: 20120270731
    Abstract: Aspects of the present invention relate to shaped bodies of compositions comprising a porous aromatic covalent framework polymer, wherein the polymer comprises at least one monomer unit, the at least one monomer unit comprising at least one aromatic ring and the at least one monomer unit having at least three binding sites to adjacent monomer units in the polymer and a core, wherein the at least three binding sites are located on at least one atom of the core and wherein the at least one atom is free of covalent bonds to hydrogen; and at least one binder additive. Other aspects of the invention relate to methods for the preparation of said shaped bodies and their uses.
    Type: Application
    Filed: April 20, 2012
    Publication date: October 25, 2012
    Applicant: BASF SE
    Inventors: Manuela Gaab, Stefan Maurer, Wolf-Rüdiger Krahnert, Milan Kostur, Ulrich Müller, Ranjit Gokhale, Shrirang Bhikaji Hindalekar
  • Publication number: 20120272406
    Abstract: The present invention relates to methods for increasing digestibility and/or crude protein of a plant by modifying lignin biosynthesis of the plant. The methods involve the manipulation of the expression level of genes in the lignin biosynthesis pathway by directly reducing the expression of genes using miRNA or using regulation of transcription factors. Expression cassettes for achieving such gene expression manipulation and transgenic plant cells and plants comprising the constructs and cassettes are also provided. Transcription regulating nucleotide sequences for use in the expression cassettes have also been developed as well as methods of using these sequences and cassettes.
    Type: Application
    Filed: March 29, 2012
    Publication date: October 25, 2012
    Applicant: BASF Plant Science Company GmbH
    Inventors: Hanping Guan, Beomseok Seo, Peifeng Ren, David Deppong, Huihua Fu