Patents by Inventor Werner Lebkucher

Werner Lebkucher 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).

  • Radiation-Curable Aqueous Polyurethane Dispersions
    Publication number: 20080145563
    Abstract: The present invention relates to UV-curable polyurethane dispersions, to a process for preparing them, and to their use.
    Type: Application
    Filed: February 23, 2006
    Publication date: June 19, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Yvonne Heischkel, Harald Larbig, Werner Lebkucher, Reinhold Schwalm, Nick Gruber, Christian Kruger, Michael Kluge, Cedric Dieleman
  • Curable polyurethane polymer
    Patent number: 6538046
    Abstract: The present invention provides a curable polyurethane polymer containing in copolymerized form A) from 10 to 60% by weight of at least one hydroxyl-containing prepolymer having at least one &agr;,&bgr;-ethylenically unsaturated double bond, B) from 0.1 to 30% by weight of at least one compound having at least one isocyanate-reactive hydroxyl group and/or primary or secondary amino group and, in addition, at least one polar functional group per molecule, C) from 0.
    Type: Grant
    Filed: July 11, 2000
    Date of Patent: March 25, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Paulus, Werner Lebkücher, Klaus Menzel, Wolfgang Reich
  • Curable polyurethane polymer dispersion based on this polymer, processing for preparing the dispersion, and its use
    Patent number: 6207744
    Abstract: The invention relates to a curable polyurethane polymer which comprises in copolymerized form A) from 40 to 80% by weight, based on the overall weight of components A) to F), of at least one hydroxyl-containing prepolymer having at least one free-radically or photochemically polymerizable &agr;,&bgr;-ethylenically unsaturated double bond, B) from 0.1 to 20% by weight, based on the overall weight of components A) to F), of at least one compound having at least one isocyanate-reactive hydroxyl group and/or primary or Secondary amino group and, in addition, at least one polar functional group, C) from 0.
    Type: Grant
    Filed: March 11, 1999
    Date of Patent: March 27, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Paulus, Werner Lebkücher, Rainer Königer, Wolfgang Reich