Patents by Inventor Oihana Elizalde

Oihana Elizalde 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).

  • High-functionality polyisocyanates containing urethane groups
    Patent number: 9550857
    Abstract: The present invention relates to new, urethane-group-containing polyisocyanates based on aliphatic and/or cycloaliphatic diisocyanates, and to their use.
    Type: Grant
    Filed: July 13, 2011
    Date of Patent: January 24, 2017
    Assignee: BASF SE
    Inventors: Oihana Elizalde, Frederic Lucas, Angelika Maria Steinbrecher, Lydie Tuchbreiter
  • 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
  • Coatings repairable by introduction of energy
    Patent number: 9040649
    Abstract: The present invention relates to coating compositions repairable by introduction of energy and comprising defined fatty acid esters, to coatings obtained therewith and repairable by introduction of energy, to methods of producing them, and to their use.
    Type: Grant
    Filed: October 3, 2013
    Date of Patent: May 26, 2015
    Assignee: BASF SE
    Inventors: Oihana Elizalde, Frederic Lucas, Angelika Maria Steinbrecher, Lydie Tuchbreiter, Axel Pfahler, Rolf Muelhaupt
  • Method for passivating a metallic surface with a basic composition
    Patent number: 9034473
    Abstract: A method for passivating a metallic surface, by treating the surface with a basic aqueous composition comprising one polymer comprising acidic groups, a cationic crosslinker and a volatile basic compound, allows a durable passivation of fragile metal surfaces.
    Type: Grant
    Filed: October 4, 2011
    Date of Patent: May 19, 2015
    Assignee: BASF SE
    Inventors: Achim Fessenbecker, Bernd Laubusch, Oihana Elizalde
  • COATINGS REPAIRABLE BY INTRODUCTION OF ENERGY
    Publication number: 20140031483
    Abstract: The present invention relates to coating compositions repairable by introduction of energy and comprising defined fatty acid esters, to coatings obtained therewith and repairable by introduction of energy, to methods of producing them, and to their use.
    Type: Application
    Filed: October 3, 2013
    Publication date: January 30, 2014
    Applicant: BASF SE
    Inventors: Oihana ELIZALDE, Frederic Lucas, Angelika Maria Steinbrecher, Lydie Tuchbreiter, Axel Pfahler, Rolf Muelhaupt
  • Coatings repairable by introduction of energy
    Patent number: 8586697
    Abstract: The present invention relates to coating compositions repairable by introduction of energy and comprising defined fatty acid esters, to coatings obtained therewith and repairable by introduction of energy, to methods of producing them, and to their use.
    Type: Grant
    Filed: April 7, 2011
    Date of Patent: November 19, 2013
    Assignee: BASF SE
    Inventors: Oihana Elizalde, Frederic Lucas, Angelika Maria Steinbrecher, Lydie Tuchbreiter, Axel Pfahler, Rolf Muelhaupt
  • High-functionality polyisocyanates containing urethane groups
    Patent number: 8580887
    Abstract: The present invention relates to new, urethane-group-containing polyisocyanates based on aliphatic and/or cycloaliphatic diisocyanates, and to their use.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: November 12, 2013
    Assignee: BASF SE
    Inventors: Oihana Elizalde, Frederic Lucas, Angelika Maria Steinbrecher, Lydie Tuchbreiter
  • Polymer dispersions for corrosion control
    Patent number: 8492472
    Abstract: The present invention relates to coating compositions which comprise dispersions of polymers obtained by a multistage procedure, to processes for preparing them, and to their use in corrosion protection.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: July 23, 2013
    Assignee: BASF SE
    Inventors: Oihana Elizalde, Stephan Amthor, Jens Hartig
  • High-functionality polyetherols and preparation and use thereof
    Patent number: 8466250
    Abstract: The present invention relates to a process for preparing high-functionality polyethers having a Hazen color number of less than 500, by converting tris(hydroxyethyl) isocyanurate (THEIC) and one or more difunctional alcohols and/or modifying reagents with the aid of acidic catalysts. The present invention further relates to high-functionality polyethers having a color number of less than 10, obtainable by such a process, and to the use of these high-functionality polyethers as adhesion promoters, thixotropic agents, rheology modifiers of polymers, in printing inks, paints and coatings, or as units for preparation of polyaddition or polycondensation polymers.
    Type: Grant
    Filed: October 14, 2011
    Date of Patent: June 18, 2013
    Assignee: BASF SE
    Inventors: Bernd Bruchmann, Anna Cristadoro, Oihana Elizalde, Angelika Maria Steinbrecher, Monika Haberecht
  • 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
  • Method for the treatment of substrates
    Patent number: 8193266
    Abstract: The use of compounds of the general formula I in aqueous binder-containing formulations, wherein the variables are each as defined as follows: R1 is selected from C1-C20-alkyl, straight chain or branched, or CO—C1-C19-alkyl or CO—C2-C19-alkenyl, straight chain or branched, R2 in each occurrence is the same or different and selected from C1-C3-alkyl, R3 is selected from C1-C20-alkyl, straight chain or branched, or CO—C1-C19-alkyl or CO—C2-C19-alkenyl, straight chain or branched, x is from 0 to 20, y is from 0 to 20, provided x and y are not both zero, a is from 1 to 3.
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: June 5, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl Siemensmeyer, Johann Mueller, Stefan Kuhn, Karl-Heinz Weigert, Oihana Elizalde
  • Process for preparing an aqueous polymer composition using water-soluble free radical chain regulators
    Patent number: 8193271
    Abstract: Process for preparing an aqueous polymer composition using water-soluble free radical chain regulators.
    Type: Grant
    Filed: February 4, 2008
    Date of Patent: June 5, 2012
    Assignee: BASF SE
    Inventors: Oihana Elizalde, Matthias Gerst
  • HIGH-FUNCTIONALITY POLYETHEROLS AND PREPARATION AND USE THEREOF
    Publication number: 20120095162
    Abstract: The present invention relates to a process for preparing high-functionality polyethers having a Hazen color number of less than 500, by converting tris(hydroxyethyl) isocyanurate (THEIC) and one or more difunctional alcohols and/or modifying reagents with the aid of acidic catalysts. The present invention further relates to high-functionality polyethers having a color number of less than 10, obtainable by such a process, and to the use of these high-functionality polyethers as adhesion promoters, thixotropic agents, rheology modifiers of polymers, in printing inks, paints and coatings, or as units for preparation of polyaddition or polycondensation polymers.
    Type: Application
    Filed: October 14, 2011
    Publication date: April 19, 2012
    Applicant: BASF SE
    Inventors: Bernd BRUCHMANN, Anna Cristadoro, Oihana Elizalde, Angelika Maria Steinbrecher, Monika Haberecht
  • METHOD FOR PASSIVATING A METALLIC SURFACE WITH A BASIC COMPOSITION
    Publication number: 20120082859
    Abstract: A method for passivating a metallic surface, by treating the surface with a basic aqueous composition comprising one polymer comprising acidic groups, a cationic crosslinker and a volatile basic compound, allows a durable passivation of fragile metal surfaces.
    Type: Application
    Filed: October 4, 2011
    Publication date: April 5, 2012
    Applicant: BASF SE
    Inventors: Achim FESSENBECKER, Bernd LAUBUSCH, Oihana ELIZALDE
  • HIGH-FUNCTIONALITY POLYISOCYANATES CONTAINING URETHANE GROUPS
    Publication number: 20120029144
    Abstract: The present invention relates to new, urethane-group-containing polyisocyanates based on aliphatic and/or cycloaliphatic diisocyanates, and to their use.
    Type: Application
    Filed: July 28, 2011
    Publication date: February 2, 2012
    Applicant: BASF SE
    Inventors: Oihana Elizalde, Frederic Lucas, Angelika Maria Steinbrecher, Lydie Tuchbreiter
  • HIGH-FUNCTIONALITY POLYISOCYANATES CONTAINING URETHANE GROUPS
    Publication number: 20120016074
    Abstract: The present invention relates to new, urethane-group-containing polyisocyanates based on aliphatic and/or cycloaliphatic diisocyanates, and to their use.
    Type: Application
    Filed: July 13, 2011
    Publication date: January 19, 2012
    Applicant: BASF SE
    Inventors: Oihana Elizalde, Frederic Lucas, Angelika Maria Steinbrecher, Lydie Tuchbreiter
  • COATINGS REPAIRABLE BY INTRODUCTION OF ENERGY
    Publication number: 20110251335
    Abstract: The present invention relates to coating compositions repairable by introduction of energy and comprising defined fatty acid esters, to coatings obtained therewith and repairable by introduction of energy, to methods of producing them, and to their use.
    Type: Application
    Filed: April 7, 2011
    Publication date: October 13, 2011
    Applicant: BASF SE
    Inventors: Oihana Elizalde, Frederic Lucas, Angelika Maria Steinbrecher, Lydie Tuchbreiter, Axel Pfahler, Rolf Mülhaupt
  • POLYMER DISPERSIONS FOR CORROSION CONTROL
    Publication number: 20110245401
    Abstract: The present invention relates to coating compositions which comprise dispersions of polymers obtained by a multistage procedure, to processes for preparing them, and to their use in corrosion protection.
    Type: Application
    Filed: December 15, 2010
    Publication date: October 6, 2011
    Applicant: BASF SE
    Inventors: Oihana ELIZALDE, Stephan Amthor
  • METHOD FOR COATING SURFACES AND SUITABLE PARTICLES THEREFOR
    Publication number: 20110124796
    Abstract: A process for coating a surface comprises said surface being coated with particles (A) comprising a core (a) and at least one envelope (b) other than said core (a), and optionally with at least one hydrophobicizing agent (B) and thereafter thermally treated.
    Type: Application
    Filed: February 2, 2011
    Publication date: May 26, 2011
    Applicant: BASF SE
    Inventors: Oihana Elizalde, Michael Schmitt, Marc Bothe
  • Method for coating surfaces and suitable particles therefor
    Patent number: 7906172
    Abstract: A process for coating a surface comprises said surface being coated with particles (A) comprising a core (a) and at least one envelope (b) other than said core (a), and optionally with at least one hydrophobicizing agent (B) and thereafter thermally treated.
    Type: Grant
    Filed: September 11, 2006
    Date of Patent: March 15, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Oihana Elizalde, Michael Schmitt, Marc Bothe