Patents by Inventor Ralf Eberhardt

Ralf Eberhardt 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).

  • Hotmelt adhesive with improved adhesion
    Patent number: 8222336
    Abstract: The invention relates to a hotmelt adhesive based on at least one ethylene and/or propylene/C4 to C20 ?-olefin copolymer obtainable by metallocene-catalysed polymerization, on at least one tackifying resin, and on at least 0.1% to 15% by weight of a copolymer or terpolymer based on C2 to C5 olefins with (meth)acrylic esters of low molecular mass alkanols, the copolymer containing COOH groups or anhydride groups, and also, if desired, on wax and additives, and to its use for bonding finished substrate surfaces.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: July 17, 2012
    Assignee: Henkel AG & Co. KGaA
    Inventors: Ralf Eberhardt, Gunter Hoffmann, Katja Strauss, Ralf Grauel, Richard Scholta, Volker Kels, Dirk Kasper
  • HOTMELT ADHESIVE WITH IMPROVED ADHESION
    Publication number: 20090202847
    Abstract: The invention relates to a hotmelt adhesive based on at least one ethylene and/or propylene/C4 to C20 ?-olefin copolymer obtainable by metallocene-catalysed polymerization, on at least one tackifying resin, and on at least 0.1% to 15% by weight of a copolymer or terpolymer based on C2 to C5 olefins with (meth)acrylic esters of low molecular mass alkanols, the copolymer containing COOH groups or anhydride groups, and also, if desired, on wax and additives, and to its use for bonding finished substrate surfaces.
    Type: Application
    Filed: February 23, 2009
    Publication date: August 13, 2009
    Inventors: Ralf Eberhardt, Gunter Hoffmann, Katja Strauss, Ralf Grauel, Richard Scholta, Volker Kels, Dirk Kasper
  • Hot-melt adhesive
    Patent number: 7439305
    Abstract: Hot-melt adhesives containing at least one aromatic modified polyethylene and/or polypropylene (co)polymer, a further ethylene or propylene/C4 to C20 alpha-olefin copolymer, and at least one tackifying resin are useful for the adhesive bonding of package and paperboard products.
    Type: Grant
    Filed: June 18, 2007
    Date of Patent: October 21, 2008
    Assignee: Henkel Kommanditgesellschaft Auf Aktien
    Inventors: Gunter Hoffmann, Ralf Grauel, Richard Scholta, Thomas Moeller, Ralf Eberhardt
  • Hot-Melt Adhesive
    Publication number: 20070282072
    Abstract: Hot-melt adhesives containing at least one aromatic modified polyethylene and/or polypropylene (co)polymer, a further ethylene or propylene/C4 to C20 alpha-olefin copolymer, and at least one tackifying resin are useful for the adhesive bonding of package and paperboard products.
    Type: Application
    Filed: June 18, 2007
    Publication date: December 6, 2007
    Inventors: Gunter Hoffmann, Ralf Grauel, Richard Scholta, Thomas Moeller, Ralf Eberhardt