Patents by Inventor Werner Grenda

Werner Grenda 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: 9096774
    Abstract: The invention relates to heat-curing powder-lacquer compositions exhibiting a matte surface after curing of the coating, as well as to a simple method for production of the same.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: August 4, 2015
    Assignee: Evonik Degussa GmbH
    Inventors: Werner Grenda, Emmanouil Spyrou, Thomas Weihrauch, Christoph Lammers, Holger Loesch, Klaus Behrendt
  • Patent number: 8962885
    Abstract: The invention relates to new ?-hydroxyalkylamides, to a method for production of same and to the use of same.
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: February 24, 2015
    Assignee: Evonik Degussa GmbH
    Inventors: Werner Grenda, Emmanouil Spyrou, Thomas Weihrauch, Christoph Lammers, Holger Loesch, Klaus Behrendt
  • Patent number: 8907130
    Abstract: The invention relates to novel ?-hydroxyalkylamides, to a method for their production and to the use thereof.
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: December 9, 2014
    Assignee: Evonik Degussa GmbH
    Inventors: Werner Grenda, Emmanouil Spyrou, Thomas Weihrauch, Christoph Lammers, Holger Loesch, Klaus Behrendt
  • Publication number: 20140316056
    Abstract: The invention relates to heat-curing powder-lacquer compositions exhibiting a matte surface after curing of the coating, as well as to a simple method for production of the same.
    Type: Application
    Filed: May 28, 2013
    Publication date: October 23, 2014
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Werner GRENDA, Emmanouil SPYROU, Thomas Weihrauch, Christoph Lammers, Holger Loesch, Klaus Behrendt
  • Publication number: 20140065911
    Abstract: The invention relates to prepregs and composite components produced therefrom (mouldings), obtainable by the use of powdery reactive polyurethane compositions.
    Type: Application
    Filed: August 22, 2013
    Publication date: March 6, 2014
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: FRIEDRICH GEORG SCHMIDT, Emmanouil Spyrou, Werner Grenda, Sebastian De Nardo, Sibylle Planitz-Penno
  • Patent number: 8524837
    Abstract: The invention relates to heat-curing powder-lacquer compositions exhibiting a matte surface after curing of the coating, as well as to a simple method for production of the same.
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: September 3, 2013
    Assignee: Evonik Degussa GmbH
    Inventors: Werner Grenda, Emmanouil Spyrou, Thomas Weihrauch, Christoph Lammers, Holger Loesch, Klaus Behrendt
  • Patent number: 8476376
    Abstract: The invention relates to heat-curing powder-lacquer compositions exhibiting a matte surface after curing of the coating, as well as to a simple method for production of the same.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: July 2, 2013
    Assignee: Evonik Degussa GmbH
    Inventors: Werner Grenda, Emmanouil Spyrou
  • Patent number: 8455090
    Abstract: The invention relates to prepregs and composite components (molding) produced therefrom at a low temperature, obtainable by using powdery highly reactive polyurethane compositions containing uretdione groups, with specific catalysts.
    Type: Grant
    Filed: February 5, 2010
    Date of Patent: June 4, 2013
    Assignee: Evonik Degussa GmbH
    Inventors: Friedrich Georg Schmidt, Emmanouil Spyrou, Werner Grenda, Sebastian de Nardo, Sibylle Planitz-Penno
  • Publication number: 20130045652
    Abstract: The invention relates to a method for producing storage-stable polyurethane prepregs and moldings produced therefrom and moldings produced therefrom (composite components), which can be obtained by a direct melt impregnation method of woven fabrics and laid scrim using reactive polyurethane compositions.
    Type: Application
    Filed: May 12, 2011
    Publication date: February 21, 2013
    Applicant: Evonik Degussa GmbH
    Inventors: Friedrich Georg Schmidt, Werner Grenda, Emmanouil Spyrou, Holger Loesch, Christoph Lammers
  • Publication number: 20130041103
    Abstract: The invention relates to heat-curable powder coating compositions, which after the coating has cured result in a matt surface and to a simple method for producing same
    Type: Application
    Filed: March 10, 2011
    Publication date: February 14, 2013
    Applicant: Evonik Degussa GmbH
    Inventors: Werner Grenda, Emmanouil Spyrou, Thomas Weihrauch, Christoph Lammers, Holger Loesch, Klaus Behrendt
  • Publication number: 20130006016
    Abstract: The invention relates to novel ?-hydroxyalkylamides, to a method for their production and to the use thereof.
    Type: Application
    Filed: March 10, 2011
    Publication date: January 3, 2013
    Applicant: Evonik Degussa GmbH
    Inventors: Werner Grenda, Emmanouil Spyrou, Thomas Weihrauch, Christoph Lammers, Holger Loesch, Klaus Behrendt
  • Publication number: 20120208956
    Abstract: The invention relates to new ?-hydroxyalkylamides, to a method for production of same and to the use of same.
    Type: Application
    Filed: March 10, 2011
    Publication date: August 16, 2012
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Werner Grenda, Emmanouil Spyrou, Thomas Weihrauch, Christoph Lammers, Holger Loesch, Klaus Behrendt
  • Publication number: 20120003890
    Abstract: The invention relates to prepregs and composite components (moulding) produced therefrom at a low temperature, obtainable by using powdery highly reactive polyurethane compositions containing uretdione groups, with specific catalysts.
    Type: Application
    Filed: February 5, 2010
    Publication date: January 5, 2012
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Friedrich Georg Schmidt, Emmanouil Spyrou, Werner Grenda, Sebastian De Nardo, Sibylle Planitz-Penno
  • Publication number: 20120003891
    Abstract: The invention relates to prepregs and composite components produced therefrom (mouldings), obtainable by the use of powdery reactive polyurethane compositions.
    Type: Application
    Filed: January 13, 2010
    Publication date: January 5, 2012
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Friedrich Georg Schmidt, Emmanouil Spyrou, Werner Grenda, Sebastian De Nardo, Sibylle Planitz-Penno
  • Publication number: 20110288202
    Abstract: The invention relates to heat-curing powder-lacquer compositions exhibiting a matte surface after curing of the coating, as well as to a simple method for production of the same.
    Type: Application
    Filed: March 10, 2011
    Publication date: November 24, 2011
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Werner Grenda, Emmanouil Spyrou, Thomas Weihrauch, Christoph Lammers, Holger Loesch, Klaus Behrendt
  • Publication number: 20110224378
    Abstract: The invention relates to heat-curing powder-lacquer compositions exhibiting a matte surface after curing of the coating, as well as to a simple method for production of the same.
    Type: Application
    Filed: March 12, 2010
    Publication date: September 15, 2011
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Werner Grenda, Emmanouil Spyrou
  • Publication number: 20110224459
    Abstract: The invention relates to new ?-hydroxyalkylamides, to a method for production of same and to the use of same.
    Type: Application
    Filed: March 12, 2010
    Publication date: September 15, 2011
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Werner Grenda, Emmanouil Spyrou
  • Publication number: 20080265201
    Abstract: Low-temperature-curable polyurethane compositions with uretdione groups, containing polymers based on polyols that carry secondary OH groups.
    Type: Application
    Filed: May 3, 2007
    Publication date: October 30, 2008
    Applicant: DEGUSSA GmbH
    Inventors: Emmanouil Spyrou, Corey King, Werner Grenda, Christoph Lammers, Rainer Lomolder
  • Publication number: 20080255272
    Abstract: Hybrid powder coating composition with low baking temperature for semiglossy to matt (flat) coatings.
    Type: Application
    Filed: June 2, 2006
    Publication date: October 16, 2008
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Volker Weiss, Werner Grenda
  • Publication number: 20080194787
    Abstract: The invention relates to low-viscosity polyaddition compounds containing uretdione groups, preparation process, and use.
    Type: Application
    Filed: January 27, 2006
    Publication date: August 14, 2008
    Inventors: Volker Weiss, Thomas Weihrauch, Werner Grenda, Silvia Herda, Klaus Behrendt