Patents by Inventor Csaba Czeininger

Csaba Czeininger 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).

  • Sound-insulating leather powder compositions
    Patent number: 4544676
    Abstract: The invention relates to new sound- and heat-insulating compositions, which comprise a finely dispersed leather powder of animal origin, a phenoplast resin or an aminoplast resin and optionally, together with the latter one, urea and/or a modified furane resin and optionally a wetting and/or foaming agent and an acid catalyst and optionally water.The compositions according to the invention have remarkable noise- and heat-insulating properties.
    Type: Grant
    Filed: April 13, 1984
    Date of Patent: October 1, 1985
    Assignee: Mecseki Szenbanyak
    Inventors: Istvan Gyurko, Csaba Czeininger, Karoly Mosko, Ferenc Nagy