Patents Assigned to BASF
  • Thickeners for aqueous dispersions
    Patent number: 6803405
    Abstract: The invention relates to the aqueous preparation of a polymer. Said preparation contains a copolymer consisting of a) 30 to 79.5 wt. % N-vinylpyrrolidone, b) 20 to 69.5 wt. % vinylacetate, c) 0.5 to 25 wt % of a monovinyl ester of a C4 to C20 monocarboxylic acid and d) 0 to 40 wt. % of an additional, copolymerisable, ethylenically unsaturated compound.
    Type: Grant
    Filed: March 29, 2002
    Date of Patent: October 12, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Klaus Schnell, Michael Kerber, Eberhard Schupp, Eckehardt Wistuba
  • Antifreeze concentrates based on dicarboxylic acids, molybdate and triazoles or thiazoles, and coolant compositions comprising them
    Patent number: 6802988
    Abstract: Antifreeze concentrates are based on a mixture of at least two different C3- to C16-dicarboxylic acids, molybdate and a mixture of at least two different triazoles or thiazoles.
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: October 12, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Wenderoth, Ralf Strauss, Jacques Lonchampt
  • Nitrification inhibitors, and the use of polyacids which contain a nitrification inhibitor for the treatment of inorganic fertilizers
    Patent number: 6802882
    Abstract: The use of inorganic or organic polyacids for the treatment of inorganic fertilizers, in particular the use of the polyacids as a mixture with at least one nitrification inhibitor for the treatment of inorganic fertilizers; the use of selected pyrazole derivatives as nitrification inhibitor in inorganic fertilizers and also as stabilizers of liquid manure or liquid fertilizer formulations, as well as the corresponding treated inorganic fertilizers per se; and novel pyrazole derivatives which can be used as nitrification inhibitors in inorganic fertilizers and also as stabilizers of liquid manure or liquid fertilizer formulations are described.
    Type: Grant
    Filed: October 7, 2002
    Date of Patent: October 12, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Barth, Norbert Rieber, Randall Evan Gold, Jürgen Dressel, Klaus Erhardt, Klaus Horchler von Locquengh, Edgar Leibold, Stefan Rittinger
  • Polyurethane foams
    Publication number: 20040198851
    Abstract: The invention relates to polyurethane foams comprising
    Type: Application
    Filed: April 26, 2004
    Publication date: October 7, 2004
    Applicant: BASF Aktiengesellschaft
    Inventors: Armin Becker, Bernd Bruchmann, Andreas Arlt, Ulrich Treuling, Rainer Rahm, Juergen Decker, Ulrich Steuerle, Martin Kreyenschmidt, Willi Riegel, Werner Bertleff
  • Perylene derivatives and their application as dispersants
    Publication number: 20040194665
    Abstract: The present invention relates to substituted perylene derivatives in which the substituent has a sterically stabilizing and/or electrostatically stabilizing effect. The perylene derivatives of the invention are particularly suitable as pigment dispersants. The present invention additionally relates to pigment preparations in which the perylene derivatives of the invention are used.
    Type: Application
    Filed: January 20, 2004
    Publication date: October 7, 2004
    Applicant: BASF Aktiengesellschaft
    Inventors: Martin Konemann, Ulrike Hees, Valerie Pierre
  • Preparation of readily water-redispersible and water-wettable polymer powders
    Publication number: 20040198896
    Abstract: A readily water-redispersible and water-wettable polymer powder is prepared by spray-drying of an aqueous dispersion of polymer particles with admixing of a hydrophilic and of a hydrophobic antiblocking agent.
    Type: Application
    Filed: April 2, 2004
    Publication date: October 7, 2004
    Applicant: BASF Aktiengesellschaft
    Inventors: Joachim Pakusch, Ines Pietsch, Hans-Jurgen Denu, Heinrich Sack, Bernd Reck
  • Preparation of at least one partial oxidation and/or ammoxidation product of a hydrocarbon
    Publication number: 20040199001
    Abstract: A process for preparing at least one partial oxidation and/or ammoxidation product of a hydrocarbon by partially dehydrogenating at least one saturated hydrocarbon H under heterogeneous catalysis and using the resulting product gas mixture A, which comprises the partially dehydrogenated hydrocarbon H, as such or in modified form for heterogeneously catalyzed partial oxidation and/or ammoxidation of the partially dehydrogenated hydrocarbon present in the product gas mixture A, said process including at least one mechanical separating operation inserted between the product gas mixture A and the heterogeneously catalyzed partial oxidation and/or ammoxidation.
    Type: Application
    Filed: March 31, 2004
    Publication date: October 7, 2004
    Applicant: BASF Akiengesellschaft
    Inventors: Gotz-Peter Schindler, Otto Machhammer, Klaus Joachim Muller-Engel, Claus Hechler, Jochen Petzoldt, Christoph Adami, Klaus Harth
  • Suspension of multimetal cyanide compounds, their preparation and their use
    Patent number: 6800583
    Abstract: Catalyst suspensions for the ring-opening polymerization of alkylene oxides comprise a) at least one multimetal cyanide compound having a crystalline structure and a content of platelet-shaped particles of at least 30% by weight, based on the multimetal cyanide compound, and b) at least one organic complexing agent c) water and/or d) at least one polyether and/or e) at least one surface-active substance, with the proviso that at least component a) and at least two of the components b) to e) have to be present.
    Type: Grant
    Filed: June 2, 1999
    Date of Patent: October 5, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Georg Heinrich Grosch, Kathrin Harre, Jörg Erbes, Reinhard Lorenz, Stephan Bauer, Thomas Ostrowski, Eva Baum, Dieter Junge, Edward Michael Dexheimer
  • Hydrophilic, open-cell, elastic foams with a melamine/formaldehyde resin base, production thereof and use thereof in hygiene products
    Patent number: 6800666
    Abstract: Hydrophilic open-celled resilient foams containing melamine-formaldehyde resins, characterized by a droplet absorption rate of less than 5 seconds and an EU standard EN ISO 14184-1 formaldehyde emission of less than 100 mg of formaldehyde/kg of foam, and obtainable by (a) heating an aqueous solution or dispersion each containing at least a melamine-formaldehyde precondensate, an emulsifier, a blowing agent and a curing agent to form a foam and crosslink the precondensate, (b) then conditioning the foam at from 120 to 300° C. for from 1 to 180 minutes to remove volatiles, and (c) treating the foam during the conditioning or thereafter with at least one hydrophilicizer and/or with ozone, a corona discharge or a plasma, are useful in hygiene articles to acquire, distribute and immobilize body fluids.
    Type: Grant
    Filed: March 10, 2003
    Date of Patent: October 5, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Joachim Hähnle, Horst Baumgartl, Martin Beck, Norbert Herfert, Bernhard Mohr, Jürgen Huff
  • Process for the production of aqueous polymer dispersions
    Patent number: 6800699
    Abstract: Process for the production of aqueous polymer dispersions by reaction of one or more olefinically unsaturated compounds in aqueous medium in the presence of a complex compound which possesses the structural element Y—M—E, E standing for nitrogen, M for a transition metal of groups 7 to 10 of the periodic system of the elements and Y for oxygen, sulfur, nitrogen or phosphorus, and which possesses no hydrophilic groups in its ligand system.
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: October 5, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Markus Schmid, Mubarik Mahmood Chowdhry, Marc Oliver Kristen, Stefan Mecking, Florian M. Bauers
  • Thermal insulating coating
    Patent number: 6800337
    Abstract: The invention relates to a heat-insulating coating which comprises one or more cholesteric IR-reflecting layers and to processes for its preparation and to its use.
    Type: Grant
    Filed: April 12, 2000
    Date of Patent: October 5, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl Siemensmeyer, Peter Schuhmacher, Frank Meyer, Norbert Schneider, Hiroki Ishida
  • Polyureas and water-soluble or water-dispersible polymeric salts
    Patent number: 6800276
    Abstract: The present invention relates to polymers, polyureas and water-soluble or water-dispersible polymeric salts, a cosmetic or pharmaceutical composition which comprises at least one such polymer, and to the use of the polymers.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: October 5, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Son Nguyen Kim, Axel Sanner, Peter Hössel
  • Mixture containing isocyanates as well as organic and/or inorganic acid anhydrides
    Patent number: 6800667
    Abstract: The present invention relates to a mixture that contains (i) at least one isocyanate and (ii) at least one organic and/or inorganic acid anhydride.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: October 5, 2004
    Assignee: BASF Corporation
    Inventors: Martin Kreyenschmidt, Andreas Arlt, Reinhard Lorenz, Ulrich Treuling
  • GTP binding stress-related proteins and methods of use in plants
    Publication number: 20040194163
    Abstract: A transgenic plant transformed by a GTP Binding Stress-Related Protein (GBSRP) coding nucleic acid, wherein expression of the nucleic acid sequence in the plant results in increased tolerance to environmental stress as compared to a wild type variety of the plant. Also provided are agricultural products, including seeds, produced by the transgenic plants. Also provided are isolated GBSRPs, and isolated nucleic acid coding GBSRPs, and vectors and host cells containing the latter.
    Type: Application
    Filed: October 17, 2003
    Publication date: September 30, 2004
    Applicant: BASF Plant Science GmbH
    Inventors: Oswaldo da Costa e Silva, Hans J. Bohnert, Nocha van Thielen, Ruoying Chen
  • Heterogeneously catalyzed partial gas phase oxidation of propene to acrylic acid
    Publication number: 20040191953
    Abstract: In a process for partially oxidizing propene to acrylic acid in the gas phase under heterogeneous catalysis, a starting reaction gas mixture comprising propene and oxygen and having a specific composition is oxidized in a first reaction stage over a first fixed catalyst bed having a volume-specific activity which is constant or increases in the flow direction and the acrolein-containing product gas mixture of the first reaction stage is subsequently oxidized in a second reaction stage over a second fixed catalyst bed having a volume-specific activity increasing in the flow direction, and the shaped catalyst bodies of both fixed catalyst beds are annular and each have a specific multimetal oxide composition.
    Type: Application
    Filed: June 20, 2003
    Publication date: September 30, 2004
    Applicant: BASF Aktiengesellschaft
    Inventors: Martin Dieterle, Jochen Petzoldt, Klaus Joachim Muller-Engel, Hans Martan
  • Heterogeneously catalyzed partial gas phase oxidation of propene to acrolein
    Publication number: 20040192964
    Abstract: In a process for heterogeneously catalyzed partial gas phase oxidation of propene to acrolein, the starting reaction gas mixture is oxidized over a fixed catalyst bed which consists of at least two fixed catalyst bed zones and is accommodated in two successive temperature zones A, B, and the transition from temperature zone A to temperature zone B does not spatially coincide with a transition from one fixed catalyst bed zone to another fixed catalyst bed zone.
    Type: Application
    Filed: February 24, 2004
    Publication date: September 30, 2004
    Applicant: BASF Aktiengesellschaft
    Inventors: Jochen Petzoldt, Martin Dieterle, Heiko Arnold, Wilhelm Ruppel, Klaus Joachim Muller-Engel
  • Heterogeneously catalyzed partial gas phase oxidation of propene to acrylic acid
    Publication number: 20040192965
    Abstract: In a process for heterogeneously catalyzed partial gas phase oxidation of propene to acrylic acid, the propene-containing starting reaction gas mixture is oxidized in a first reaction stage using a fixed catalyst bed 1 which consists of a plurality of fixed catalyst bed zones and is accommodated in two successive temperature zones A, B, and the acrolein-containing product gas mixture of the first reaction stage is then oxidized in a second reaction stage using a fixed catalyst bed 2 which consists of a plurality of fixed catalyst bed zones and is accommodated in two successive temperature zones C, D, and the transition from one temperature zone to another temperature zone within one reaction stage does not spatially coincide with a transition from one fixed catalyst bed zone to another fixed catalyst bed zone.
    Type: Application
    Filed: March 25, 2004
    Publication date: September 30, 2004
    Applicant: BASF Aktiengesellschaft
    Inventors: Jochen Petzoldt, Martin Dieterle, Heiko Arnold, Wilhelm Ruppel, Klaus Joachim Mueller-Engel
  • Heterogeneously catalyzed partial gas phase oxidation of acrolein to acrylic acid
    Publication number: 20040192963
    Abstract: In a process for partially oxidizing acrolein to acrylic acid in the gas phase under heterogeneous catalysis, the starting reaction gas mixture is oxidized at an acrolein loading of ≦145 and ≧70 l (STP) of acrolein/l of fixed catalyst bed·h over a fixed catalyst bed which is accommodated in two successive reaction zones A, B, 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.
    Type: Application
    Filed: March 23, 2004
    Publication date: September 30, 2004
    Applicant: BASF Aktiengesellschaft
    Inventors: Martin Dieterle, Jochen Petzoldt, Klaus Joachim Muller-Engel, Heiko Arnold
  • Multi-metal oxide materials with a two-phase structure
    Patent number: 6797839
    Abstract: Multimetal oxide materials containing molybdenum, vanadium, antimony, one or more of the elements W, Nb, Ta, Cr and Ce and nickel and, if required, one or more of the elements Cu, Zn, Co, Fe, Cd, Mn, Mg, Ca, Sr and Ba and having a 2-component structure are used for the gas-phase catalytic oxidative preparation of acrylic acid.
    Type: Grant
    Filed: October 5, 2000
    Date of Patent: September 28, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Hartmut Hibst, Signe Unverricht
  • Stain resistant coating compositions, methods of coating and coated articles
    Patent number: 6797391
    Abstract: A nonstaining coating composition which comprises as essential components (A) a specific aliphatic sulfonic acid compound or amine salt thereof, (B) a compound having per molecule at least one functional group selected among carboxly, a carboxly anhydride group, and a carboxyl group blocked with an alkyl vinyl ether, (C) a specific organosilicate and/or a condensate thereof, and (D) a resin having epoxy groups and/or alkoxysilyl groups in the molecule; and a method of finish coating. They give a cured coating film which has nonstaining properties based on a high degree of hydrophilicity from immediately after the formation thereof and has satisfactory long-term weatherability, water resistance, and chemical resistance.
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: September 28, 2004
    Assignees: BASF NOF Coatings Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Kishio Shibato, Yoshinori Nakane, Shinichi Ikehara, Keisuke Kojima