Patents by Inventor Konrad Roschmann

Konrad Roschmann 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).

  • Publication number: 20080233390
    Abstract: The present invention relates to a composition for coating metallic surfaces, comprising a binder component; a corrosion inhibitor polymer based on an ethylenically monocarboxylic and dicarboxylic acid and, if appropriate, further ethylenical monomers, a solvent component, and, if appropriate, crosslinkable components, and also pigment/filler components. The invention further relates to processes for its preparation and also to methods of coating a metallic surface using the composition, to coated metallic surfaces thus obtained, and to the use of the composition as a primer, particularly in coil coating or in atmospheric corrosion control. After drying, the applied layer preferably has a thickness of at least 3.1 ?m and is therefore thicker than a typical pretreatment layer.
    Type: Application
    Filed: August 9, 2006
    Publication date: September 25, 2008
    Inventors: Alexander Gothlich, Frank Klippel, Gunnar Schornick, Guido Vandermeulen, Helmut Witteler, Thomas Heidenfelder, Markus Hickl, Michael Dornbusch, Konrad Roschmann, Monica Fernandez Gonzalez
  • Publication number: 20070105982
    Abstract: The present invention relates to an aqueous coating composition having excellent freeze-thaw stability and a low-VOC content, comprising a multi-stage polymer dispersion comprising (a) an inner phase comprising at least one latex polymer derived from at least one monomer and at least one polymerizable alkoxylated surfactant having the structure: R1—R2 wherein R1 is an allyl group selected from the group consisting of CH3—CH?CH— and CH2?CH—CH2—, or an acrylic group and R2 is a radical comprising at least two carbon atoms and at least one oxyethylene or oxypropylene unit; (b) an outer phase having a glass transition temperature of from 30° C. to 110° C. containing at least one ethylenic unsaturated monomer (c) at least one pigment; (d) water; and (e) less than 3.0% by weight based on the total weight of the aqueous coating composition of anti-freeze agents.
    Type: Application
    Filed: December 1, 2004
    Publication date: May 10, 2007
    Applicant: BASF Aktiengesellschaft
    Inventors: Konrad Roschmann, Jorg Leuninger, Rolf Dersch, Cheng-Le Zhao, Li Zhuo, Terri Cunningham
  • Publication number: 20060052502
    Abstract: The present invention is an aqueous coating composition having excellent freeze-thaw stability and a low-VOC content. The aqueous coating composition of the invention includes at least one latex polymer derived from at least one monomer and at least one polymerizable alkoxylated surfactant, at least one pigment, and water. In accordance with the invention, less than 3.0% by weight of anti-freeze agents based on the total weight of the aqueous coating composition are used in the composition. The present invention also includes a method of preparing an aqueous coating composition such as a latex paint including the above components.
    Type: Application
    Filed: May 13, 2003
    Publication date: March 9, 2006
    Applicant: BASF Corporation
    Inventors: Cheng-Le Zhao, Terri Cunningham, Li Zhuo, Konrad Roschmann, Joerg Leuninger, Rolf Dersch