Patents by Inventor Daniel Schönfelder

Daniel Schönfelder has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20120309626
    Abstract: The invention provides a composition comprising an active ingredient with a maximum solubility in water at 20° C. of 10 g/l, and a hyperbranched polyester based on a hydrophobic dicarboxylic acid and a trifunctional alcohol. The invention further relates to the hyperbranched polyester mentioned, to a process for preparation thereof and to the use thereof for solubilizing an active ingredient with a maximum solubility in water at 20° C. of 10 g/l in aqueous solutions.
    Type: Application
    Filed: December 15, 2010
    Publication date: December 6, 2012
    Applicant: BASF SE
    Inventors: Holger Türk, Monika Haberecht, Hiroe Yamada, Bernd Bruchmann, Daniel Schönfelder, Michael Ishaque, Ulrike Troppmann, Joachim Clauss, Chee Chin Liew
  • Publication number: 20120309629
    Abstract: The present invention provides a composition comprising an active ingredient whose solubility in water at 20° C. is not more than 10 g/L, and an amphiphile comprising an alkoxylated hyperbranched polycarbonate, wherein the polycarbonate comprises an alcohol which is a trifunctional or higher polyfunctional polyetherol based on a C3-C12 alkylene oxide and an alcohol which has at least three OH groups. Likewise provided is an amphiphile comprising the polycarbonate, and a process for preparing the amphiphile. The invention further relates to the use of the amphiphile for solubilizing an active ingredient whose solubility in water at 20° C. is not more than 10 g/L, in aqueous solutions, and a method of controlling phytopathogenic fungi and/or unwanted plant growth and/or unwanted insect or mite infestation and/or of regulating the growth of plants.
    Type: Application
    Filed: December 3, 2010
    Publication date: December 6, 2012
    Applicant: BASF SE
    Inventors: Holger Türk, Monika Haberecht, Bernd Bruchmann, Andreas Kunst, Daniel Schönfelder, Michael Ishaque
  • Patent number: 8314178
    Abstract: The present invention relates to polymer dispersions which comprise highly branched polycarbonates, to a process for preparing them, and to their use.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: November 20, 2012
    Assignee: BASF SE
    Inventors: Alexandre Terrenoire, Daniel Schoenfelder, Bernd Bruchmann, Sebastian Roller, Harm Wiese, Bernhard Schuler, Hermann Seyffer, Marc Schroeder
  • Patent number: 8309646
    Abstract: The present invention relates to a method of producing polymer dispersions having improved freeze-thaw stability, by adding a highly branched polymer to said dispersions, and also to the use of highly branched polymers for this purpose.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: November 13, 2012
    Assignee: BASF SE
    Inventors: Alexandre Terrenoire, Daniel Schoenfelder, Bernd Bruchmann
  • Publication number: 20120263633
    Abstract: Described is a metal oxide support material nanoscaled iron-platinum group metal particles having a particle size in the range of 0.5 to 10 nm, wherein at least 70% of all nanoscaled iron-platinum group metal particles are located on an outside surface layer of the metal oxide support material, and wherein the outside surface layer has an average volume of less than 50% based on the total volume of the metal oxide support material. Additionally, described is a process for the preparation of such metal oxide support material comprising nanoscaled iron-platinum group metal particles. Furthermore, described is the use of metal oxides containing nanoscaled iron-platinum group metal particles as catalysts, for example as a diesel oxidation catalyst for the treatment of exhaust gas emissions from a diesel engine.
    Type: Application
    Filed: December 13, 2010
    Publication date: October 18, 2012
    Applicant: BASF SE
    Inventors: Tobias Joachim Koplin, Imme Domke, Christopher R. Castellano, Gerald Stephen Koermer, Wolfgang Schrof, Robert Feuerhake, Gunnar Schornick, Anna Cristadoro, Daniel Schönfelder, Hartmut Hibst, Mattijs Gregor Jurriaan Ten Cate
  • Publication number: 20120264609
    Abstract: The present invention provides a composition comprising an active ingredient with a maximum solubility in water at 20° C. of 10 g/l, and a hyperbranched polyester which is joined to a polar polymer which comprises a polycondensate or a polymer comprising ethylenically unsaturated monomers. The invention further relates to the hyperbranched polyester mentioned and to a process for preparation thereof. It further relates to the use of the hyperbranched polyester for solubilizing the active ingredient in aqueous compositions.
    Type: Application
    Filed: December 15, 2010
    Publication date: October 18, 2012
    Inventors: Holger Türk, Monika Haberecht, Hiroe Yamada, Bernd Bruchmann, Daniel Schönfelder, Michael Ishaque, Joachim Clauss
  • Patent number: 8283496
    Abstract: Aminoalkyl vinyl ethers comprising alkylenimine units and of the formula H2C?CH—O—X—NH—[Al—]n—H??(I), in which [Al—]n is a linear or branched oligoalkylenimine chain having n alkylenimine units, n is a number of at least 1 and X is a straight-chain or branched C2- to C6-alkylene group, and salts of the monomers I with mineral acids or organic acids and quaternization products of the monomers I with alkyl halides or dialkyl sulfates, processes for the preparation of the compounds of the formula I by addition reaction of alkylenimines with amino-C2- to C6-alkyl vinyl ethers and use of the aminoalkyl vinyl ethers comprising alkylenimine units and of the formula I as monomers for the preparation of polymers for use in the paper industry, as antimicrobial coating materials, in detergents and for the treatment of metal surfaces.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: October 9, 2012
    Assignee: BASF SE
    Inventors: Robert Feuerhake, Daniel Schoenfelder, Hans-Joachim Haehnle, Bernd Bruchmann, Paola Uribe Arocha, Alexander Kraus, Christian Huebsch, Bastiaan Bram Pieter Staal, Ralph Baumgaertner
  • Publication number: 20120252987
    Abstract: The present invention relates to a method for producing amphiphilic functionalized highly branched melamine-polyamine polymers by condensing melamine and optionally a melamine derivate having at least one different amine having at least two primary amino groups and optionally also with urea and/or at least one urea derivative and/or with at least one at least difunctional diisocyanate or polyisocyanate and/or at least one carbolic acid having at least two carboxyl groups or at least one derivative thereof, optionally quaternizing a portion of the amino groups of the polymer thereby obtained, reacting the polymer thus obtained with at least one compound capable of undergoing a condensation or addition reaction with amino groups, and optionally quaternizing at least part of the amino groups of the polymer obtained in the first step.
    Type: Application
    Filed: December 15, 2010
    Publication date: October 4, 2012
    Applicant: BASF SE
    Inventors: Maxim Peretolchin, Marta Reinoso Garcia, Holger Tuerk, Daniel Schoenfelder, Sophia Ebert
  • Publication number: 20120238641
    Abstract: The present invention provides a composition comprising an amphiphile and an active ingredient whose solubility in water at 20° C. is not more than 10 g/L, wherein the amphiphile comprises a dendritic polyurea which is joined to at least one linear or comb-type polymer, and the joining is effected via a difunctional linker, if the repeat units of the linear polymer are composed of polymerized alkylene oxide. The invention also relates to an amphiphile comprising a dendritic polyurea and a process for preparing the amphiphile.
    Type: Application
    Filed: November 23, 2010
    Publication date: September 20, 2012
    Applicant: BASF SE
    Inventors: Holger Türk, Monika Haberecht, Hiroe Yamada, Bernd Bruchmann, Daniel Schönfelder, Michael Ishaque
  • Publication number: 20120197042
    Abstract: The invention relates to a process for preparing hyperbranched polyhydroxybenzoic acid alkoxylates, comprising the steps of: (a) reacting at least one polyhydroxybenzoic ester with one or more alkylene oxides, optionally in the presence of a basic catalyst, (b) allowing the polyhydroxybenzoic ester alkoxylates formed in step (a) to react with transesterification to form hyperbranched polyhydroxybenzoic acid alkoxylates.
    Type: Application
    Filed: October 14, 2010
    Publication date: August 2, 2012
    Applicant: BASF SE
    Inventors: Daniel Schoenfelder, Bernd Bruchmann, Anna Cristadoro, Achim Loeffler, Matthias Schopohl, Andreas Kunst
  • Publication number: 20120108784
    Abstract: A nongelling and noncrosslinked, highly branched or hyperbranched polyester, obtained by reacting at least one selected from the group consisting of a monocarboxylic acid, a dicarboxylic acid, a tricarboxylic acid, a polycarboxylic acid, and a derivative thereof with at least one selected from the group consisting of a monoalcohol, a diol, a triol, a tetraol, and a polyol, wherein an average functionality of the carboxyl groups (f.A) and the hydroxyl groups (f.B) in a notionally hydrolyzed polyester satisfies a relation: f.A+f.B>4, a mole fraction of the carboxyl groups (x.A) in the notionally hydrolyzed polyester satisfies a relation: f.A/[(f.A*f.B)+f.A]?x?(f.A*f.B)/[(f.A*f.B)+f.B], and a degree of conversion (U) of the deficit functionality satisfies a relation: U.min?U?U.max.
    Type: Application
    Filed: January 6, 2012
    Publication date: May 3, 2012
    Applicant: BASF SE
    Inventors: Joachim Clauss, Marta Martin-Portugues, Harald Schäfer, Daniel Schönfelder, Bernd Bruchmann
  • Publication number: 20120054920
    Abstract: The present invention provides a composition comprising an amphiphile and an active ingredient whose solubility in water at 20° C. is not more than 10 g/L. Likewise provided is an amphiphile comprising a hyperbranched polycarbonate which is joined to at least one linear or comb-type polymer, a process for preparing the amphiphile, and the use of the amphiphile in compositions comprising an active ingredient whose solubility in water at 20° C. is not more than 10 g/L.
    Type: Application
    Filed: May 4, 2010
    Publication date: March 1, 2012
    Applicant: BASF SE
    Inventors: Holger Tuerk, Monika Haberecht, Michael Ishaque, Hiroe Yamada, Daniel Schoenfelder, Bernd Bruchmann
  • Publication number: 20110275732
    Abstract: Flexible polyurethane foam which can be obtained by mixing a) polyisocyanates with b) at least one relatively high molecular weight compound having at least two reactive hydrogen atoms, c) hyperbranched polyethers, d) if appropriate a low molecular weight chain extender and/or crosslinker, e) a catalyst, f) blowing agents and g) if appropriate other additives.
    Type: Application
    Filed: January 5, 2010
    Publication date: November 10, 2011
    Applicant: BASF SE
    Inventors: Bernd Bruchmann, Daniel Schoenfelder, Jens Ferbitz, Andrea Eisenhardt
  • Publication number: 20110195844
    Abstract: A process for solubilizing hydrophobic active ingredients in aqueous medium, which comprises using, as an assistant, at least one hyperbranched polymer (A) which is obtainable by reacting at least one hyperbranched polymeric compound having at least one primary or secondary amino group per molecule (a), selected from (a1) hyperbranched polyamides and (a2) hyperbranched polyureas, with (b) at least one mono-, di- or oligosaccharide.
    Type: Application
    Filed: February 4, 2011
    Publication date: August 11, 2011
    Applicant: BASF SE
    Inventors: Bernd Bruchmann, Holger Türk, Daniel Schönfelder, Monika Haberecht, Dietmar Appelhans, Victor Boyko
  • Publication number: 20110178241
    Abstract: Process for preparing an aqueous polymer dispersion with small polymer particles
    Type: Application
    Filed: January 14, 2011
    Publication date: July 21, 2011
    Applicant: BASF SE
    Inventors: Daniel Schönfelder, Rabie Al-Hellani, Marc Schroeder, Monika Haberecht, Anna Cristadoro, Bernd Bruchmann, Rajan Venkatesh
  • Publication number: 20110168045
    Abstract: In a method for printing substrates with a printing ink and/or a printing varnish at least comprising solvents and binders, at least one of the binders comprises a polyetheramine polyol.
    Type: Application
    Filed: September 28, 2009
    Publication date: July 14, 2011
    Applicant: BASF SE
    Inventors: Bernd Bruchmann, Daniel Schoenfelder, Frank Dietsche, Eva Wagner, Robert Feuerhake, Juergen Kaczun
  • Publication number: 20110105333
    Abstract: The present invention relates to seed treatment compositions comprising active ingredient and hyperbranched polymer. The hyperbranched polymer is used as seed coating agent, especially as a binder to promote adhesion of the active ingredient(s) to the seeds. The present invention also relates to methods of treating seed with such a composition.
    Type: Application
    Filed: April 17, 2008
    Publication date: May 5, 2011
    Inventors: Rafel Israels, Andreas Landes, Dirk Voeste, Doris Stephan, Christian Sowa, Bernd Bruchmann, Daniel Schoenfelder, Joachim Clauss
  • Publication number: 20110028603
    Abstract: The invention relates to the use of hyperbranched polymers or oligomers comprising terminal primary and/or secondary amino groups as curing agents for epoxy resins. The invention further relates to a composition containing such polymers or oligomers, an uncured or only partially cured epoxy resin, and at least one optional curing agent for epoxy resins, as well as a cured epoxy resin that can be obtained by curing said components. The invention finally relates to a method for curing epoxy resins. In said method, an uncured or only partially cured epoxy resin is brought to a temperature of 5 to 150° C. or is exposed to microwave radiation along with at least one polymer or oligomer according to the definition above and at least one optional conventional curing agent for epoxy resins.
    Type: Application
    Filed: April 9, 2009
    Publication date: February 3, 2011
    Applicant: BASF SE
    Inventors: Maxim Peretolchin, Eva Rueba, Daniel Schoenfelder
  • Publication number: 20110021652
    Abstract: The present invention relates to an open-cell polyurethane foam comprising polyester and polyether structures and having a density of 70 to 300 g/L, 1 to 20 cells/cm, a rebound intensity greater than 30%, an elongation at break of greater than 200%, a tear propagation resistance of greater than 1.2 N/mm and a tensile strength of greater than 200 kPa. The present invention further relates to a process for producing inventive open-cell polyurethane sponges and to the use thereof as a pipe cleaning sponge.
    Type: Application
    Filed: March 13, 2009
    Publication date: January 27, 2011
    Applicant: BASF SE
    Inventors: Nils Mohmeyer, Ralf Fritz, Annika Habicht, Daniela Tepe, Frank Prissok, Michael Harms, Bernd Bruchmann, Daniel Schoenfelder, Daniel Freidank, Andreas Emge, Andrea Eisenhardt
  • Publication number: 20110015361
    Abstract: Copolymers, their use as thickeners, and methods for their preparation The present invention relates to copolymers comprising as comonomers in copolymerized form (A) at least one ethylenically unsaturated mono- or dicarboxylic acid, (B) at least one ethylenically unsaturated compound which has at least one structural unit of the general formula (I) per molecule: where the variables are defined as follows: R1 is different or identical and selected from hydrogen, C1-C30-alkyl, C6-C30-aryl and C7-C30-aralkyl, A1 is different or identical and selected from C2-C10-alkylene, C6-C10-arylene and C7-C10-aralkylene, n is different or identical and selected from zero to 200, m is different or identical and selected from 1 to 6, (C) at least one further comonomer.
    Type: Application
    Filed: July 12, 2010
    Publication date: January 20, 2011
    Applicant: BASF SE
    Inventors: Rabie AL-HELLANI, Bernd Bruchmann, Daniel Schönfelder, Anna Cristadoro, Reinhold J. Leyrer, Christofer Arisandy