Patents by Inventor Daniel Schoenfelder

Daniel Schoenfelder 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: 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: 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: 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: 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
  • 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
  • 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: 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: 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: 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