Patents by Inventor Yves Le Brech

Yves Le Brech 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).

  • Heatsealable filter material
    Patent number: 7465685
    Abstract: A filter material comprising at least one nonheatsealable ply and at least one heatsealable ply which comprises fibers of synthetic material and contains an adhesion promoter, and also processes for producing same.
    Type: Grant
    Filed: July 11, 2003
    Date of Patent: December 16, 2008
    Assignee: Glatfelter Gernsbach GmbH & Co. KG
    Inventors: Yves Le Brech, Günter Heinrich, Manfred Kauβen, Stefan Kuntz, Danny Meger
  • Heatsealable filter material
    Publication number: 20040129632
    Abstract: A filter material comprising at least one nonheatsealable ply and at least one heatsealable ply which comprises fibers of synthetic material and contains an adhesion promoter, and also processes for producing same.
    Type: Application
    Filed: July 11, 2003
    Publication date: July 8, 2004
    Inventors: Yves Le Brech, Gunter Heinrich, Manfred Kaussen, Stefan Kuntz, Danny Meger
  • Filter material having adjustable wettability and method for its manufacture
    Patent number: 6510949
    Abstract: The invention concerns a filter material characterized in that it is impregnated with an amphiphilic substance or with a hydrophilic and a hydrophobic substance to control the water wettability and water absorption.
    Type: Grant
    Filed: October 13, 1998
    Date of Patent: January 28, 2003
    Assignee: PAPCEL - Papier und Cellulose, Technologie, Und Handels-GmbH
    Inventors: Günter Grauer, Yves Le Brech
  • Method of preparing paper for filter bags, apparatus for implementing the method, and product obtained thereby
    Patent number: 5527429
    Abstract: A method of preparing paper for filter bags, the method of the type comprising a step during which a non-woven paper is prepared comprising two superposed layers, namely a layer based on synthetic fibers and a layer of cellulose fibers, by a technique which is known per se, wherein the method includes a subsequent step of subjecting the non-woven paper to a calendering operation between a support structure and a heated cylinder having projections. The present invention also provides apparatus for implementing the method and products obtained in this manner.
    Type: Grant
    Filed: May 12, 1993
    Date of Patent: June 18, 1996
    Assignee: Papeteries de Cascadec
    Inventors: Abel Dambreville, Roger Le Fol, Philippe Deleplanque, Yves Le Brech