Patents by Inventor Detlef Andreas Wentzel

Detlef Andreas Wentzel 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).

  • Cover layer with reduced tensile properties for use of wear-resistant laminate
    Patent number: 9080289
    Abstract: The present invention relates to a low-tension cover layer intended for a laminate material and comprising a resin-impregnated, printed or unprinted decorative paper or comprising a resin-impregnated overlay paper or comprising a combination of the two, where the resin in each case comprises a mixture of at least one aminoplastic resin and at least one water-soluble or water-dispersible synthetic polymer selected from the group consisting of polyvinyl resin, polyvinyl acetate, and polyvinyl alcohol. The invention further relates to the use of the low-tension cover layer of the invention for the construction of a laminate material with appropriate balancing.
    Type: Grant
    Filed: September 24, 2012
    Date of Patent: July 14, 2015
    Assignee: DAKOR MELAMIN IMPRÄGNIERUNGEN GMBH
    Inventors: Elmar Beck, Detlef Andreas Wentzel
  • COVER LAYER WITH REDUCED TENSILE PROPERTIES FOR USE OF WEAR-RESISTANT LAMINATE
    Publication number: 20140272340
    Abstract: The present invention relates to a low-tension cover layer intended for a laminate material and comprising a resin-impregnated, printed or unprinted decorative paper or comprising a resin-impregnated overlay paper or comprising a combination of the two, where the resin in each case comprises a mixture of at least one aminoplastic resin and at least one water-soluble or water-dispersible synthetic polymer selected from the group consisting of polyvinyl resin, polyvinyl acetate, and polyvinyl alcohol. The invention further relates to the use of the low-tension cover layer of the invention for the construction of a laminate material with appropriate balancing.
    Type: Application
    Filed: September 24, 2012
    Publication date: September 18, 2014
    Applicant: DARKOR MELAMIN IMPRAGNIERUNGEN GMBH
    Inventors: Elmar Beck, Detlef Andreas Wentzel
  • Resin composition comprising waste of resin impregnated material
    Publication number: 20090220808
    Abstract: Resin composition comprising ground waste of resin impregnated materials.
    Type: Application
    Filed: May 12, 2006
    Publication date: September 3, 2009
    Applicant: Coveright Surfaces Holding GmbH
    Inventors: Thomas Gerhard Willi Krönke, Monika Barbara Bischoff, Alexandra Bruns, Michael Guth, Thomas Thews, Detlef Andreas Wentzel, Klaus-Dieter Hammer
  • Resin composition comprising waste of resin impregnated material
    Patent number: 7521117
    Abstract: Resin composition comprising ground waste of resin impregnated materials.
    Type: Grant
    Filed: May 23, 2005
    Date of Patent: April 21, 2009
    Assignee: Coveright Surfaces Holding GmbH
    Inventors: Thomas Gerhard Willi Krönke, Monika Barbara Bischoff, Alexandra Bruns, Michael Guth, Thomas Thews, Detlef Andreas Wentzel, Klaus-Dieter Hammer
  • Method of Manufacture of Direct Pressure Laminates
    Publication number: 20080280155
    Abstract: Using a method of direct-pressure laminating employing short cycle presses (low pressure process), one or more impregnated overlays and a non-impregnated decor sheet are laminated to a base material.
    Type: Application
    Filed: April 8, 2005
    Publication date: November 13, 2008
    Applicant: Coveright Sufaces Holding GmbH
    Inventors: Thomas Gerhard Willi Kronke, Monika Barbara Bischoff, Alexandra Bruns, Michael Guth, Thomas Thews, Detlef Andreas Wentzel, Klaus-Dieter Hammer