Patents by Inventor Walter Pfalzgraf

Walter Pfalzgraf 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).

  • Heat-curable, aqueous synthetic resin mixtures for coating woodworking materials
    Patent number: 5330846
    Abstract: Heat-curable, aqueous synthetic resin mixtures for coating woodworking materials, based on etherified melamine/formaldehyde condensates and aqueous synthetic resin dispersions, a process for the preparation of these mixtures and their use for coating woodworking materials.
    Type: Grant
    Filed: September 13, 1991
    Date of Patent: July 19, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolfgang Eisele, Hans Etling, Walter Pfalzgraf, Walter Pitteroff, Otto Wittmann