TREA

Matthieu Helft

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  • Lyon, FR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Continuous production of polyamides
    • Patent number 8,759,475
    • Issue date Jun 24, 2014
    • Rhodia Operations
    • Jean-Francois Thierry
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the manufacture of nonwoven surfaces
    • Patent number 8,557,170
    • Issue date Oct 15, 2013
    • Rhodia Operations
    • Roland Durand
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Production of spherical polyamide particles
    • Patent number 7,740,938
    • Issue date Jun 22, 2010
    • Rhodia Polyamide Intermediates
    • Matthieu Helft
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for manufacturing polyamides
    • Patent number 6,995,233
    • Issue date Feb 7, 2006
    • Rhodianyl
    • Jean-Francois Thierry
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for making polyamides
    • Patent number 6,696,544
    • Issue date Feb 24, 2004
    • Rhodianyl
    • Jean-Francois Thierry
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    CONTINUOUS PRODUCTION OF POLYAMIDES
    • Publication number 20100144986
    • Publication date Jun 10, 2010
    • Jean-Francois Thierry
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Process For The Manufacture Of Nonwoven Surfaces
    • Publication number 20080290553
    • Publication date Nov 27, 2008
    • RHODIA CHIMIE
    • Roland Durand
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Application

    Production of Spherical Polyamide Particles
    • Publication number 20070269656
    • Publication date Nov 22, 2007
    • Matthieu Helft
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Process for manufacturing polyamides
    • Publication number 20040019179
    • Publication date Jan 29, 2004
    • Jean-Francois Thierry
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...