Patents by Inventor Siegfried Wittmann

Siegfried Wittmann 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).

  • Ceramic fabrics and methods for making them
    Patent number: 7772140
    Abstract: Fabrics resistant to molten metal are provided, comprising non-melting base fabric treated with a composition comprising polymerisable polyurethane monomers, and ceramic particles.
    Type: Grant
    Filed: February 27, 2007
    Date of Patent: August 10, 2010
    Assignee: E.I. du Pont de Nemours and Company Dystar
    Inventors: Yves Bader, Kurt Hans Wyss, Siegfried Wittmann
  • CERAMIC COATING FOR FABRICS
    Publication number: 20090311433
    Abstract: Ceramic compositions for rendering fabrics resistant to molten metal are provided.
    Type: Application
    Filed: March 20, 2007
    Publication date: December 17, 2009
    Applicant: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventor: Siegfried Wittmann
  • Ceramic fabrics and methods for making them
    Publication number: 20080038972
    Abstract: Fabrics resistant to molten metal are provided, comprising non-melting base fabric treated with a composition comprising polymerisable polyurethane monomers, and ceramic particles.
    Type: Application
    Filed: February 27, 2007
    Publication date: February 14, 2008
    Inventors: Yves Bader, Kurt Wyss, Siegfried Wittmann
  • Process of applying dyestuffs and/or chemicals or finishing materials to textiles, fibrous products, sheet materials, papers or fleeces
    Patent number: 4345907
    Abstract: A process of applying dyestuffs and/or chemicals or finishing materials to textiles, fibrous products, sheet materials, papers or fleeces characterized in that said dyestuffs and/or chemicals are applied in the electrostatic field.
    Type: Grant
    Filed: December 27, 1978
    Date of Patent: August 24, 1982
    Assignee: Chemische Fabrik Theodor Rotta GmbH & Co. KG
    Inventors: Gunther Wegele, Gerhard Brink, Goetz Rotta, Manfred Roeth, Siegfried Wittmann