Patents by Inventor Harald Schaefer

Harald Schaefer 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).

  • Process for preparing polyisocyanates which are flocculation-stable in solvents from (cyclo)aliphatic diisocyanates
    Patent number: 9617402
    Abstract: The present invention relates to a new process for preparing polyisocyanates containing isocyanurate groups and being flocculation-stable in solvents from (cyclo)aliphatic diisocyanates.
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: April 11, 2017
    Assignee: BASF SE
    Inventors: Harald Schaefer, Shintaro Gomyo, Jing He, Horst Binder, Liang Han, Woosuk Lee
  • Metering unit
    Patent number: 9469465
    Abstract: In a metering unit (10) having at least one outlet (20) for dispensing an aerosol with a defined concentration, with at least one inlet (180) for a carrier gas, at least one inlet for a liquid, preferably for a hydrogen peroxide solution, and a buffer container (30) for the liquid, it is provided that the metering unit (10) has at least one liquid flow controller (90) on the outflow side.
    Type: Grant
    Filed: August 1, 2013
    Date of Patent: October 18, 2016
    Assignee: Buerkert Werke GmbH
    Inventors: Andreas Doerr, Martin Gille, Andreas Grau, Johann Gunnesch, Christian Kleineberg, Harald Schaefer
  • Isocyanate-containing formulations
    Patent number: 9279030
    Abstract: Low-viscosity preparations of isocyanate compounds in solvents, and their use.
    Type: Grant
    Filed: January 4, 2007
    Date of Patent: March 8, 2016
    Assignee: BASF Aktiengesellschaft
    Inventors: Carl Jokisch, Horst Binder, Harald Schaefer
  • Two-component coating compositions
    Patent number: 9238764
    Abstract: The present invention describes two-component coating compositions which for curing require no polyisocyanates or melamine-formaldehyde resins as crosslinkers.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: January 19, 2016
    Assignee: BASF SE
    Inventors: Markus Brym, Christine Rösch, Christina Haaf, Angelika Maria Steinbrecher, Harald Schäfer, Oihana Elizalde
  • CATALYSTS FOR POLYURETHANE COATING COMPOUNDS
    Publication number: 20150322289
    Abstract: The present invention relates to new catalysts for curing solventborne or solvent-free coating compositions, such as 2-component polyurethane coating materials or 2-component polyurethane adhesives.
    Type: Application
    Filed: December 18, 2013
    Publication date: November 12, 2015
    Applicant: BASF SE
    Inventors: Harald SCHAEFER, Andreas EICHFELDER, Boris GASPAR, Thorsten PAUEN
  • HIGHLY FUNCTIONAL, HYPERBRANCHED POLYCARBONATES AND PRODUCTION AND USE THEREOF
    Publication number: 20140357833
    Abstract: Hyperbranched polycarbonates having stabilizing groups, prepared by reaction of (a) at least one compound having at least three alcoholic hydroxyl groups per molecule with (b) at least one reagent of the general formula I (c) and at least one reagent of the general formula X3-(A1)m-X4, where the variables are defined as follows: X1, X2 are identical or different and are selected from among halogen, C1-C10-alkoxy, C6-C10-aryloxy and O—C(?O)-halogen, X3 is a functional group selected from among OH, SH, NH2, NH—C1-C4-alkyl, isocyanate, epoxy, COOH, COOR12, C(?O)—O—C(?O), C(?O)—Cl, R12 is C1-C4-alkyl or C6-C10-aryl, A1 is a spacer or a single bond, m is zero or one. X4 is a group selected from among phenol groups, benzophenones, aromatic amines and nitrogen-comprising heterocycles, in each case substituted or unsubstituted.
    Type: Application
    Filed: August 14, 2014
    Publication date: December 4, 2014
    Applicant: BASF SE
    Inventors: Bernd BRUCHMANN, Jens Assmann, Claudius Schwittay, Harald Schaefer
  • Highly functional, hyperbranched polycarbonates and production and use thereof
    Patent number: 8853331
    Abstract: Hyperbranched polycarbonates having stabilizing groups, prepared by reaction of (a) at least one compound having at least three alcoholic hydroxyl groups per molecule with (b) at least one reagent of the general formula I (c) and at least one reagent of the general formula X3-(A1)m-X4, where the variables are defined as follows: X1, X2 are identical or different and are selected from among halogen, C1-C10-alkoxy, C6-C10-aryloxy and O—C(?O)-halogen, X3 is a functional group selected from among OH, SH, NH2, NH—C1-C4-alkyl, iso-cyanate, epoxy, COOH, COOR12, C(?O)—O—C(?O), C(?O)—Cl, R12 is C1-C4-alkyl or C6-C10-aryl, A1 is a spacer or a single bond, m is zero or one. X4 is a group selected from among phenol groups, benzophenones, aromatic amines and nitrogen-comprising heterocycles, in each case substituted or unsubstituted.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Bernd Bruchmann, Jens Aβmann, Claudius Schwittay, Harald Schäfer
  • Catalysts for polyurethane coating compounds
    Patent number: 8709544
    Abstract: The present invention relates to coating compositions for polyurethane coating materials that feature new catalysts.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: April 29, 2014
    Assignee: BASF SE
    Inventors: Oliver Neu, Michael Siemer, Ansgar Gereon Altenhoff, Harald Schaefer, Angelika Maria Steinbrecher
  • Process for preparing polyisocyanates comprising biuret groups
    Patent number: 8609887
    Abstract: The present invention relates to a process for preparing polyisocyanates comprising biuret groups from diisocyanates or polyisocyanates and diamines.
    Type: Grant
    Filed: March 1, 2012
    Date of Patent: December 17, 2013
    Assignee: BASF SE
    Inventors: Julia Leschinski, Torsten Mattke, Gerrit Waters, Horst Binder, Harald Schaefer, Matthias Kroner, Alexander Bayer
  • Metering Unit
    Publication number: 20130313289
    Abstract: In a metering unit (10) having at least one outlet (20) for dispensing an aerosol with a defined concentration, with at least one inlet (180) for a carrier gas, at least one inlet for a liquid, preferably for a hydrogen peroxide solution, and a buffer container (30) for the liquid, it is provided that the metering unit (10) has at least one liquid flow controller (90) on the outflow side.
    Type: Application
    Filed: August 1, 2013
    Publication date: November 28, 2013
    Applicant: Buerkert Werke GmbH
    Inventors: Andreas DOERR, Martin GILLE, Andreas GRAU, Johann GUNNESCH, Christian KLEINEBERG, Harald SCHAEFER
  • COLOR-STABLE CURING AGENT COMPOSITIONS COMPRISING POLYISOCYANATES OF (CYCLO)ALIPHATIC DIISOCYANATES
    Publication number: 20130109806
    Abstract: The present invention relates to a new process for preparing polyisocyanates of (cyclo)aliphatic diisocyanates, said polyisocyanates containing isocyanurate groups and being stable with respect to color drift in solvents.
    Type: Application
    Filed: October 25, 2012
    Publication date: May 2, 2013
    Inventors: Harald SCHAEFER, Horst Binder, Thomas Genger, Daniel Flojhar
  • PROCESS FOR PREPARING POLYISOCYANATES WHICH ARE FLOCCULATION-STABLE IN SOLVENTS FROM (CYCLO)ALIPHATIC DIISOCYANATES
    Publication number: 20130109793
    Abstract: The present invention relates to a new process for preparing polyisocyanates containing isocyanurate groups and being flocculation-stable in solvents from (cyclo)aliphatic diisocyanates.
    Type: Application
    Filed: October 25, 2012
    Publication date: May 2, 2013
    Inventors: Harald SCHAEFER, Shintaro Gomyo, Jing He, Horst Binder, Liang Han, Woosuk Lee
  • Method for producing colorless isocyanurates of diisocyanates
    Patent number: 8373004
    Abstract: The present invention relates to a novel process for preparing colorless, isocyanurate group-comprising polyisocyanates of (cyclo)aliphatic diisocyanates.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: February 12, 2013
    Assignee: BASF SE
    Inventors: Harald Schaefer, Carl Jokisch, Horst Binder, Matthias Kroner, Alexander Bayer
  • Polyisocyanates containing allophanate groups
    Patent number: 8338530
    Abstract: Allophanate-group-containing polyisocyanates based on isophorone diisocyanate, represented by formula (I) wherein Ra, k, m, (k +m), Y, Xi, n and Rb are as defined, and to their use.
    Type: Grant
    Filed: December 2, 2008
    Date of Patent: December 25, 2012
    Assignee: BASF SE
    Inventors: Marta Martin-Portugues, Carl Jokisch, Harald Schaefer, Lydie Tuchbreiter, Angelika Maria Steinbrecher
  • CATALYSTS FOR POLYURETHANE COATING COMPOUNDS
    Publication number: 20120288632
    Abstract: The present invention relates to coating compositions for polyurethane coating materials that feature new catalysts.
    Type: Application
    Filed: November 22, 2010
    Publication date: November 15, 2012
    Applicant: BASF SE
    Inventors: Oliver Neu, Michael Siemer, Ansgar Gereon Altenhoff, Harald Schaefer, Angelika Maria Steinbrecher
  • TWO-COMPONENT COATING COMPOSITIONS
    Publication number: 20120251730
    Abstract: The present invention describes two-component coating compositions which for curing require no polyisocyanates or melamine-formaldehyde resins as crosslinkers.
    Type: Application
    Filed: March 29, 2012
    Publication date: October 4, 2012
    Applicant: BASF SE
    Inventors: Markus BRYM, Christine Rösch, Christina Haaf, Angelika Maria Steinbrecher, Harald Schäfer, Oihana Elizalde
  • PROCESS FOR PREPARING POLYISOCYANATES COMPRISING BIURET GROUPS
    Publication number: 20120226071
    Abstract: The present invention relates to a process for preparing polyisocyanates comprising biuret groups from diisocyanates or polyisocyanates and diamines.
    Type: Application
    Filed: March 1, 2012
    Publication date: September 6, 2012
    Applicant: BASF SE
    Inventors: Julia Leschinski, Torsten Mattke, Gerrit Waters, Horst Binder, Harald Schäfer, Matthias Kroner, Alexander Bayer
  • HIGHLY-BRANCHED OR HYPER-BRANCHED POLYESTER AND THE PRODUCTION AND APPLICATION THEREOF
    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
  • HIGHLY FUNCTIONAL, HYPERBRANCHED POLYCARBONATES AND PRODUCTION AND USE THEREOF
    Publication number: 20120065328
    Abstract: Hyperbranched polycarbonates having stabilizing groups, prepared by reaction of (a) at least one compound having at least three alcoholic hydroxyl groups per molecule with (b) at least one reagent of the general formula I (c) and at least one reagent of the general formula X3-(A1)m-X4, where the variables are defined as follows: X1, X2 are identical or different and are selected from among halogen, C1-C10-alkoxy, C6-C10-aryloxy and O—C(?O)-halogen, X3 is a functional group selected from among OH, SH, NH2, NH—C1-C4-alkyl, iso-cyanate, epoxy, COOH, COOR12, C(?O)—O—C(?O), C(?O)—Cl, R12 is C1-C4-alkyl or C6-C10-aryl, A1 is a spacer or a single bond, m is zero or one. X4 is a group selected from among phenol groups, benzophenones, aromatic amines and nitrogen-comprising heterocycles, in each case substituted or unsubstituted.
    Type: Application
    Filed: September 9, 2011
    Publication date: March 15, 2012
    Applicant: BASF SE
    Inventors: Bernd BRUCHMANN, Jens Aßmann, Claudius Schwittay, Harald Schäfer
  • Highly functional, highly branched or hyperbranched polyesters, the production thereof and the use of the same
    Patent number: 8044170
    Abstract: High-functionality highly branched or hyperbranched polyesters based on di-, tri- or polycarboxylic acids and di-, tri- or polyols, processes for preparing them, and their use.
    Type: Grant
    Filed: July 10, 2009
    Date of Patent: October 25, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Bernd Bruchmann, Jean-Francois Stumbe, Harald Schaefer, Joelle Bedat