Patents Assigned to Rhodia Engineering Plastics S.r.l.
  • Electrostatic composition based on a polyamide matrix
    Patent number: 8530001
    Abstract: A process for producing an article, including: forming an article from a composition comprising a polyamide matrix, wherein the composition comprises: 2 to 10% by weight of carbon black as an electrically conductive filler, with respect to the total weight of the composition, and 1% to 30% by weight of an antistatic agent comprising a polyetheramide, with respect to the total weight of the composition; and applying paint to the article by electrostatic deposition.
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: September 10, 2013
    Assignee: Rhodia Engineering Plastics S.r.l.
    Inventors: Gerard Bradley, Nicolangelo Peduto
  • 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
  • Polyamide piece reinforced with long fibers
    Patent number: 7977449
    Abstract: The present invention relates to reinforced articles based on a polyamide matrix of high melt flow index and on long fibers. The articles according to the invention exhibit good mechanical properties, such as good tensile strength, good surface finish and good moldability.
    Type: Grant
    Filed: March 9, 2004
    Date of Patent: July 12, 2011
    Assignee: Rhodia Engineering Plastics S.r.l.
    Inventor: Gerard Bradley
  • ELECTROSTATIC COMPOSITION BASED ON A POLYAMIDE MATRIX
    Publication number: 20110165336
    Abstract: A process for producing an article, including: forming an article from a composition comprising a polyamide matrix, wherein the composition comprises: 2 to 10% by weight of carbon black as an electrically conductive filler, with respect to the total weight of the composition, and 1% to 30% by weight of an antistatic agent comprising a polyetheramide, with respect to the total weight of the composition; and applying paint to the article by electrostatic deposition.
    Type: Application
    Filed: March 14, 2011
    Publication date: July 7, 2011
    Applicant: RHODIA ENGINEERING PLASTICS S. r.l.
    Inventors: Gerard BRADLEY, Nicolangelo Peduto
  • Electrically-conductive composition based on a polyamide matrix
    Patent number: 7892455
    Abstract: The invention relates to a composition based on a polyamide matrix comprising electrically-conductive charges. Said composition can be prepared in order to produce plastic articles such as, for example, body parts in the automobile industry, having a good capacity for being painted using an electrostatic paint application method.
    Type: Grant
    Filed: November 27, 2003
    Date of Patent: February 22, 2011
    Assignee: Rhodia Engineering Plastics S.r.l.
    Inventors: Gerard Bradley, Nicolangelo Peduto
  • Fire-resistant polyamide composition
    Patent number: 7473726
    Abstract: The invention relates to a fire-resistant composition containing at least one star polyamide and a flame retardancy system comprising a phosphinate and a melamine reaction product. The inventive composition can be used to produce elements having a low flame-spread rating upon combustion as well as satisfactory mechanical properties. Said composition is particularly suitable for producing molded elements that are used in the field of electrical and electronic connector technology.
    Type: Grant
    Filed: August 8, 2003
    Date of Patent: January 6, 2009
    Assignee: Rhodia Engineering Plastics S.R.L.
    Inventors: James Mitchell, Daniele Galli
  • Modified polyamides, compositions based on same and macromolecular compounds used to obtain them
    Patent number: 6930165
    Abstract: The invention concerns polyamides modified by a multifunctional compound. Finished articles formed from said polyamides or from compositions based on said polyamides exhibit excellent mechanical properties, and a very good surface appearance. The modified polyamide is obtained by mixing in melted form a polyamide and a polyamide macromolecular compound comprising star-shaped or H-shaped macromolecular chains.
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: August 16, 2005
    Assignee: Rhodia Engineering Plastics S.r.l.
    Inventors: Nicolangelo Peduto, Franco Speroni, Haichun Zhang
  • Copolyamides and compositions based on same
    Patent number: 6884865
    Abstract: The invention concerns copolyamides obtained by using multifunctional monomers. It consists in using at least one multifunctional monomer comprising at least three reactive functions and at least another multifunctional monomer, in amounts such that the terminal group concentrations are balanced. The copolyamides are more particularly high viscosity copolyamides. The invention also concerns compositions based on said copolyamides.
    Type: Grant
    Filed: August 7, 2001
    Date of Patent: April 26, 2005
    Assignee: Rhodia Engineering Plastics S.R.L.
    Inventors: Giuseppe Di Silvestro, Franco Speroni, Cuiming Yuan, Haichun Zhang
  • Modified polyamides, polyamide compositions, and method for making same
    Patent number: 6864354
    Abstract: The invention relates to modified polyamides, and more particularly to polyamides containing units of the type obtained by reacting a diacid with a diamine, modified with a multifunctional compound. The finished articles shaped from these polyamides or from compositions based on these polyamides have excellent mechanical properties and also a very good surface aspect. The modified polyamide according to the invention is obtained by melt-blending polyamides of different natures, in the presence of a multifunctional compound.
    Type: Grant
    Filed: June 15, 2001
    Date of Patent: March 8, 2005
    Assignee: Rhodia Engineering Plastics S.r.l.
    Inventors: Nicolangelo Peduto, Franco Speroni, Haichun Zhang
  • Flame-retardant polyamide molding compositions
    Patent number: 6608123
    Abstract: Flameproofed polyamide compositions well suited for the production of molded shaped articles, for example those useful in the electrical and electronics fields, such as components for circuit breakers, switches and connectors, comprise a polyamide matrix having an effective flameproofing amount of a flame-/fire-retardation system distributed therethrough, the flame-/fire-retardation system including both a melamine derivative and a molybdenum compound, but, advantageously, no halogen and/or phosphorus flameproofing species.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: August 19, 2003
    Assignee: Rhodia Engineering Plastics S.r.l.
    Inventors: Daniele Galli, Franco Speroni
  • Flame-proofed polyamide composition
    Patent number: 6500881
    Abstract: The invention concerns a flame-proofed polyamide composition to be used in particular for making moulded objects. The composition comprises a flame-proofing system consisting of a melamine derivative and a mineral filler consisting of calcined kaolin and is particularly useful for making moulded electrical objects.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: December 31, 2002
    Assignee: Rhodia Engineering Plastics S.r.l.
    Inventors: Daniele Galli, Franco Speroni