Patents by Inventor Wolfgang Spieler

Wolfgang Spieler 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).

  • Bonded structures of textile materials
    Patent number: 4430380
    Abstract: A bonded structure of textile materials bonded by a melamine-formaldehyde precondensate is produced by applying to a textile material a melamine-formaldehyde precondensate with a molar ratio of melamine to formaldehyde of 1:(0.8 to 1.26) to form a composite and then compressing the composite with an overpressure of 1 to 200 bars at temperature of from 130.degree. to 220.degree. C.
    Type: Grant
    Filed: March 22, 1982
    Date of Patent: February 7, 1984
    Assignee: Cassella Aktiengesellschaft
    Inventors: Hans Honel, Walter Michel, Steffen Piesch, Karin Schluter, Manfred Seidel, Wolfgang Spieler