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).

  • Patent number: 10174156
    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: Grant
    Filed: December 15, 2010
    Date of Patent: January 8, 2019
    Assignee: BASF SE
    Inventors: Holger Türk, Monika Haberecht, Hiroe Yamada, Bernd Bruchmann, Daniel Schönfelder, Michael Ishaque, Ulrike Troppmann, Joachim Clauss, Chee Chin Liew
  • Patent number: 10077336
    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: Grant
    Filed: December 15, 2010
    Date of Patent: September 18, 2018
    Assignee: BASF SE
    Inventors: Maxim Peretolchin, Marta Reinoso Garcia, Holger Tuerk, Daniel Schoenfelder, Sophia Ebert
  • Patent number: 9725554
    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: Grant
    Filed: November 23, 2010
    Date of Patent: August 8, 2017
    Assignee: BASF SE
    Inventors: Holger Türk, Monika Haberecht, Hiroe Yamada, Bernd Bruchmann, Daniel Schönfelder, Michael Ishaque
  • Patent number: 9648873
    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: Grant
    Filed: December 3, 2010
    Date of Patent: May 16, 2017
    Assignee: BASF SE
    Inventors: Holger Türk, Monika Haberecht, Bernd Bruchmann, Andreas Kunst, Daniel Schönfelder, Michael Ishaque
  • Patent number: 9492382
    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: Grant
    Filed: December 15, 2010
    Date of Patent: November 15, 2016
    Assignee: BASF SE
    Inventors: Holger Türk, Monika Haberecht, Hiroe Yamada, Bernd Bruchmann, Daniel Schönfelder, Michael Ishaque, Joachim Clauss
  • Patent number: 9426986
    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: Grant
    Filed: May 4, 2010
    Date of Patent: August 30, 2016
    Assignee: BASF SE
    Inventors: Holger Tuerk, Monika Haberecht, Michael Ishaque, Hiroe Yamada, Daniel Schoenfelder, Bernd Bruchmann
  • Patent number: 9249240
    Abstract: Graft polymers whose grafting base is selected from the group consisting of polymers having vinylamine units, polyamines, polyamidoamines and polymers of ethylenically unsaturated acids and which comprise exclusively oligoalkylenimine side chains as side chains, process for the preparation of graft polymers having oligoalkylenimine side chains, at least one oligoalkylenimine which comprises a terminal aziridine group being grafted onto one of said grafting bases, and the use of the graft polymers thus obtainable as process chemicals in the production of paper, as antimicrobial coating materials, as builders in detergents and for the treatment of metal surfaces.
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: February 2, 2016
    Assignee: BASF SE
    Inventors: Robert Feuerhake, Daniel Schoenfelder, Hans-Joachim Haehnle, Bernd Bruchmann, Paola Uribe Arocha, Bastiaan Bram Pieter Staal, Ralph Baumgaertner
  • Patent number: 9127093
    Abstract: Graft polymers whose grafting base is selected from the group consisting of polymers having vinylamine units, polyamines, polyamidoamines and polymers of ethylenically unsaturated acids and which comprise exclusively oligoalkylenimine side chains as side chains, process for the preparation of graft polymers having oligoalkylenimine side chains, at least one oligoalkylenimine which comprises a terminal aziridine group being grafted onto one of said grafting bases, and the use of the graft polymers thus obtainable as process chemicals in the production of paper, as antimicrobial coating materials, as builders in detergents and for the treatment of metal surfaces.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: September 8, 2015
    Assignee: BASF SE
    Inventors: Robert Feuerhake, Daniel Schoenfelder, Hans-Joachim Haehnle, Bernd Bruchmann, Paola Uribe Arocha, Bastiaan Bram Pieter Staal, Ralph Baumgaertner
  • Patent number: 8946377
    Abstract: The present invention relates to a process for preparing high-functionality polyetherols by reacting at least one trifunctional or higher-functionality alcohol and if appropriate further di- and/or monofunctional alcohols and/or modifying reagents, with the aid of acidic catalysts, where the trifunctional or higher-functionality alcohol is not glycerol. The present invention further relates to high-functionality polyetherols obtainable by such a process and to the use of these high-functionality polyetherols as adhesion promoters, thixotropic agents, rheology modifiers of polymers, phase transfer reagents, micro- or nanocontainers for biologically active compounds, for example for active medical ingredients, biocides, herbicides or fungicides, as pigment dispersants, an additive in printing inks or as structural units for preparing polyaddition or polycondensation polymers or for treatment of seed.
    Type: Grant
    Filed: February 12, 2009
    Date of Patent: February 3, 2015
    Assignee: BASF SE
    Inventors: Rolf Muelhaupt, Anne Fiedler, Fabian Schueler, Bernd Bruchmann, Markus Schuette, Daniel Schoenfelder
  • Publication number: 20140316072
    Abstract: Graft polymers whose grafting base is selected from the group consisting of polymers having vinylamine units, polyamines, polyamidoamines and polymers of ethylenically unsaturated acids and which comprise exclusively oligoalkylenimine side chains as side chains, process for the preparation of graft polymers having oligoalkylenimine side chains, at least one oligoalkylenimine which comprises a terminal aziridine group being grafted onto one of said grafting bases, and the use of the graft polymers thus obtainable as process chemicals in the production of paper, as antimicrobial coating materials, as builders in detergents and for the treatment of metal surfaces.
    Type: Application
    Filed: July 1, 2014
    Publication date: October 23, 2014
    Applicant: BASF SE
    Inventors: Robert FEUERHAKE, Daniel SCHOENFELDER, Hans-Joachim HAEHNLE, Bernd BRUCHMANN, Paola URIBE AROCHA, Bastiaan Bram Pieter STAAL, Ralph BAUMGAERTNER
  • Patent number: 8789466
    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: Grant
    Filed: September 28, 2009
    Date of Patent: July 29, 2014
    Assignee: BASF SE
    Inventors: Bernd Bruchmann, Daniel Schoenfelder, Frank Dietsche, Eva Wagner, Robert Feuerhake, Juergen Kaczun
  • Patent number: 8728504
    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: Grant
    Filed: February 4, 2011
    Date of Patent: May 20, 2014
    Assignee: BASF SE
    Inventors: Bernd Bruchmann, Holger Türk, Daniel Schönfelder, Monika Haberecht, Dietmar Appelhans, Victor Boyko
  • Patent number: 8722796
    Abstract: Process for preparing an aqueous polymer dispersion with small polymer particles.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: May 13, 2014
    Assignee: BASF SE
    Inventors: Daniel Schoenfelder, Rabie Al-Hellani, Marc Schroeder, Monika Haberecht, Anna Cristadoro, Bernd Bruchmann, Rajan Venkatesh
  • Patent number: 8664427
    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: Grant
    Filed: October 14, 2010
    Date of Patent: March 4, 2014
    Assignee: BASF SE
    Inventors: Daniel Schoenfelder, Bernd Bruchmann, Anna Cristadoro, Achim Loeffler, Matthias Schopohl, Andreas Kunst
  • Patent number: 8642670
    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: Grant
    Filed: March 13, 2009
    Date of Patent: February 4, 2014
    Assignee: 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
  • Patent number: 8574520
    Abstract: Described is a metal oxide support material containing nanoscaled iron-platinum group metal particles having a particle size in the range of 0.5 to 10 nm. At least 70% of the nanoscaled iron-platinum group metal particles are located on an outside surface layer of the metal oxide support material. 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 preparation of metal oxide support materials containing 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: Grant
    Filed: December 13, 2010
    Date of Patent: November 5, 2013
    Assignee: BASF SE Ludwigshafen
    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
  • Patent number: 8501280
    Abstract: The use of high-functionality highly branched polyetheramine polyols to coat substrates such as metal surfaces or components made of plastic permits improved adhesion of further coatings.
    Type: Grant
    Filed: October 8, 2008
    Date of Patent: August 6, 2013
    Assignee: BASF SE
    Inventors: Bernd Bruchmann, Daniel Schönfelder, Frank Dietsche, Eva Wagner, Reinhold Schwalm, Jürgen Kaczun
  • Patent number: 8492497
    Abstract: 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: Grant
    Filed: July 12, 2010
    Date of Patent: July 23, 2013
    Assignee: BASF SE
    Inventors: Rabie Al-Hellani, Bernd Bruchmann, Daniel Schoenfelder, Anna Cristadoro, Reinhold J Leyrer, Cristofer Arisandy
  • Patent number: 8399554
    Abstract: The present invention relates to a method of producing coatings with increased gloss, to aqueous coating materials for such a method, and to the use of highly branched polymers as an additive for aqueous polymer dispersions for coating materials that lead to coatings having increased gloss.
    Type: Grant
    Filed: November 19, 2008
    Date of Patent: March 19, 2013
    Assignee: BASF SE
    Inventors: Sebastian Roller, Bernd Bruchmann, Rolf Dersch, Daniel Schoenfelder
  • 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