Patents by Inventor Christophe Lapierre

Christophe Lapierre 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).

  • Process for the manufacture of tanks having high barrier properties toward fluids
    Patent number: 10364351
    Abstract: The invention relates to a method for producing a tank having high fluid-barrier properties. According to the invention, a specific polyamide composition containing impact-resistance modifying agents is used in a first step to produce components by means of injection moulding and, subsequently, said components are assembled in order to obtain the tank. The viscosity and gasoline permeability of the polyamide composition are sufficient to allow the production of tanks that provide an excellent trade-off between fluid-barrier properties and mechanical properties.
    Type: Grant
    Filed: April 10, 2012
    Date of Patent: July 30, 2019
    Assignee: RHODIA OPERATIONS
    Inventors: Wojciech Bzducha, Franco Speroni, Christophe Lapierre
  • Polyamide and/or polyester matrix thermoplastic compositions and articles shaped therefrom
    Patent number: 8097684
    Abstract: Thermoplastic compositions containing a polyamide and/or polyester matrix and a variety of additives have high fluidity and can be shaped into plastic articles with good mechanical properties and an improved surface appearance.
    Type: Grant
    Filed: June 22, 2004
    Date of Patent: January 17, 2012
    Assignee: Rhodia Engineering Plastics S.R.L.
    Inventors: Florence Clement, Franck Touraud, Nicolangelo Peduto, Christophe Lapierre, Frédéric Tronc
  • Fiber-filled polyamide compositions and molded articles shaped therefrom
    Patent number: 7931959
    Abstract: Polyamide compositions filled with fibers have good mechanical and rheological properties, the polyamide having a high fluidity in molten phase and the fibers, in particular glass fibers, being well aligned at both the surface and the core of shaped articles injection molded from such compositions.
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: April 26, 2011
    Assignee: Rhodia Operations
    Inventors: Lise Trouillet-Fonti, Marco Amici, Christophe Lapierre, Gilles Robert
  • FIBER-FILLED POLYAMIDE COMPOSITIONS AND MOLDED ARTICLES SHAPED THEREFROM
    Publication number: 20110020594
    Abstract: Polyamide compositions filled with fibers have good mechanical and rheological properties, the polyamide having a high fluidity in molten phase and the fibers, in particular glass fibers, being well aligned at both the surface and the core of shaped articles injection molded from such compositions.
    Type: Application
    Filed: October 17, 2008
    Publication date: January 27, 2011
    Inventors: Lise Trouillet-Fonti, Marco Amici, Christophe Lapierre, Gilles Robert
  • THERMOPLASTIC POLYMER COMPOSITIONS COMPRISING HIGH-FLUIDITY POLYAMIDES
    Publication number: 20100305257
    Abstract: Thermoplastic polymer compositions contain high-fluidity polyamides and have an excellent compromise in terms of properties, in particular mechanical properties and a high fluidity in the molten state; such compositions contain at least one high-fluidity polyamide and a high filler content, such as glass fibers.
    Type: Application
    Filed: October 17, 2008
    Publication date: December 2, 2010
    Inventors: Lise Trouillet-Fonti, Marco Amici, Christophe Lapierre
  • Polyamide and/or polyester matrix thermoplastic compositions and articles shaped therefrom
    Publication number: 20070060719
    Abstract: Thermoplastic compositions containing a polyamide and/or polyester matrix and a variety of additives have high fluidity and can be shaped into plastic articles with good mechanical properties and an improved surface appearance.
    Type: Application
    Filed: June 22, 2004
    Publication date: March 15, 2007
    Inventors: Florence Clement, Franck Touraud, Nicolangelo Peduto, Christophe Lapierre, Frederic Tronc
  • Production of articles by rotomolding
    Publication number: 20050051926
    Abstract: The present invention relates to a process for producing polyamide articles by rotomolding and to articles manufactured by this process. The process according to the invention includes in particular a step in which a polyamide-based powder is introduced into a rotomolding mold. The articles obtained by rotomolding may be hollow parts without welds, such as, for example, articles selected from the group consisting of containers, vats, flasks, cisterns, cases, boxes, tanks, bumpers, seats and bodywork parts.
    Type: Application
    Filed: November 16, 2004
    Publication date: March 10, 2005
    Inventors: Gerard Guillot, Maria-Rosa Contardi, Jerome Therby, Christophe Lapierre