Patents by Inventor Eric Roche

Eric Roche 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).

  • Patent number: 11957698
    Abstract: Methods are disclosed for the reduction or elimination of bacterial biofilms on biological and non-biological surfaces, as well as methods for the treatment of wounds, skin lesions, mucous membrane lesions, and other biological surfaces infected or contaminated with bacterial biofilms using compositions comprising a synergistic combination of thermolysin and at least one aminoglycoside antibacterial agent.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: April 16, 2024
    Assignee: SMITH & NEPHEW, INC.
    Inventors: Aleksa Jovanovic, Lei Shi, Eric Roche, Paul Renick
  • Patent number: 11641856
    Abstract: The compositions of the present invention comprise at least one medium polarity oil and at least one antibacterial agent, the combination of which produces a synergistic antibacterial effect against bacterial biofilms. Methods are disclosed for the reduction of bacteria in and/or elimination of bacterial biofilms on biological and non-biological surfaces, as well as methods for the treatment of wounds, skin lesions, mucous membrane lesions, and other biological surfaces infected or contaminated with bacterial biofilms.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: May 9, 2023
    Assignee: SMITH & NEPHEW, INC.
    Inventors: Aleksa Jovanovic, Lei Shi, Eric Roche, Paul Renick
  • Patent number: 11628207
    Abstract: Methods are disclosed for the reduction or elimination of bacterial biofilms on biological and non-biological surfaces, as well as methods for the treatment of wounds, skin lesions, mucous membrane lesions, and other biological surfaces infected or contaminated with bacterial biofilms using compositions comprising thermolysin.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: April 18, 2023
    Assignee: SMITH & NEPHEW, INC.
    Inventors: Lei Shi, Catherine Van Der Kar, Aleksa Jovanovic, Eric Roche
  • Patent number: 11413300
    Abstract: Methods are disclosed for the reduction or elimination of bacterial biofilms on biological and non-biological surfaces, as methods for the treatment of wounds, skin lesions, mucous membrane lesions, and other biological surfaces infected or contaminated with bacterial biofilms using compositions comprising a synergistic combination of thermolysin and at least one aminoglycoside antibacterial agent.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: August 16, 2022
    Assignee: SMITH & NEPHEW, INC.
    Inventors: Aleksa Jovanovic, Lei Shi, Eric Roche, Paul Renick
  • Patent number: 11197476
    Abstract: The compositions of the present invention comprise at least one medium polarity oil and at least one antibacterial agent, the combination of which produces a synergistic antibacterial effect against bacterial biofilms. Methods are disclosed for the reduction of bacteria in and/or elimination of bacterial biofilms on biological and non-biological surfaces, as well as methods for the treatment of wounds, skin lesions, mucous membrane lesions, and other biological surfaces infected or contaminated with bacterial biofilms.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: December 14, 2021
    Assignee: SMITH & NEPHEW, INC.
    Inventors: Aleksa Jovanovic, Lei Shi, Eric Roche, Paul Renick
  • Patent number: 11096992
    Abstract: A method of disrupting a bacterial biofilm present on a surface, comprising applying a composition that includes a semi-alkaline protease produced by the fermentation of the fungus Aspergillus melleus (Seaprose) to the bacterial biofilm, wherein application of the composition to the bacterial biofilm disrupts the matrix of the bacterial biofilm.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: August 24, 2021
    Assignee: SMITH & NEPHEW, INC.
    Inventors: Lei Shi, Aleksa Jovanovic, Catherine Van Der Kar, Eric Roche
  • Patent number: 10940612
    Abstract: Certain polyamide beads or granules are useful as a sustaining material for underground natural or artificial cracks of the earth's crust essentially employed for the extraction of hydrocarbons such as crude oil or natural gas; such polyamide beads have a spherical or ellipsoidal shape and have a surface free of concave portions, advantageously having a uniform shape, and having a mean diameter lower than or equal to 1.7 mm and a porosity lower than 0.1 ml/g, and are produced using a particular cutting device/extruder.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: March 9, 2021
    Assignees: Performance Polyamides S.A.S., Gala Industries. Inc.
    Inventors: Jean-Francois Estur, Eric Roche, Michael Eloo, Berthold Druschel
  • Patent number: 9676121
    Abstract: Certain polyamide beads or granules are useful as a sustaining material for underground natural or artificial cracks of the earth's crust essentially employed for the extraction of hydrocarbons such as crude oil or natural gas; such polyamide beads have a spherical or ellipsoidal shape and have a surface free of concave portions, advantageously having a uniform shape, and having a mean diameter lower than or equal to 1.7 mm and a porosity lower than 0.1 ml/g, and are produced using a particular cutting device/extruder.
    Type: Grant
    Filed: December 1, 2014
    Date of Patent: June 13, 2017
    Assignees: RHODIA OPERATIONS, GALA INDUSTRIES, INC.
    Inventors: Jean-Francois Estur, Eric Roche, Michael Eloo, Berthold Druschel
  • Publication number: 20150151452
    Abstract: Certain polyamide beads or granules are useful as a sustaining material for underground natural or artificial cracks of the earth's crust essentially employed for the extraction of hydrocarbons such as crude oil or natural gas; such polyamide beads have a spherical or ellipsoidal shape and have a surface free of concave portions, advantageously having a uniform shape, and having a mean diameter lower than or equal to 1.7 mm and a porosity lower than 0.1 ml/g, and are produced using a particular cutting device/extruder.
    Type: Application
    Filed: December 1, 2014
    Publication date: June 4, 2015
    Inventors: Jean-Francois ESTUR, Eric Roche, Michael Eloo, Berthold Druschel
  • Publication number: 20150118219
    Abstract: Disclosed are compositions and methods for their use in disrupting a bacterial biofilm present on a surface, comprising applying a composition that includes Seaprose to the bacterial biofilm, wherein application of the composition to the bacterial biofilm disrupts the matrix of the bacterial biofilm.
    Type: Application
    Filed: May 10, 2013
    Publication date: April 30, 2015
    Inventors: Lei Shi, Aleksa Jovanovic, Catherine Van Der Kar, Eric Roche
  • Patent number: 8946314
    Abstract: The present invention relates to an expandable polyamide composition and to a polyamide foam obtained therefrom. This composition comprises a compound comprising at least one isocyanate function, a polyamide and a compound comprising at least one carboxylic acid function. The invention also relates to a process for preparing a polyamide foam from this composition.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: February 3, 2015
    Assignee: Rhodia Polyamide Intermediates
    Inventors: Jean-marie Bernard, François Briois, Eric Roche
  • Patent number: 8529812
    Abstract: Pearls based on expanded polymers are produced by extruding an expandable composition containing a thermoplastic polymer and an expanding agent, and thereafter cooling and chopping the expanded material thus obtained.
    Type: Grant
    Filed: June 30, 2004
    Date of Patent: September 10, 2013
    Assignee: Rhodia Polyamide Intermediates
    Inventors: Jean-Francois Estur, Eric Roche, Jean-Francois Briois
  • Patent number: 8454866
    Abstract: The invention relates to a process for the preparation of particles based on a thermoplastic polymer with a mean diameter of less than 1 mm. The process of the invention comprises more particularly a stage of preparation of a composition comprising the thermoplastic polymer and an additive, in the molten state, of cooling the composition and of disintegration of the thermoplastic polymer dispersion.
    Type: Grant
    Filed: October 6, 2005
    Date of Patent: June 4, 2013
    Assignee: Rhodia Chimie
    Inventors: Pascal Herve, Christophe Paulo, Eric Roche, Mare Labeille, Franck Touraud
  • Publication number: 20120065282
    Abstract: A method for preparing polyamide foam is described. Polyamide foam produced according to the method is also described. A method including heating a composition including at least one polyamide and at least one polyurethane, and stabilizing the resulting cellular structure is also described. Use of a composition including at least one polyamide and at least one polyurethane for preparing polyamide foam is also described.
    Type: Application
    Filed: May 10, 2010
    Publication date: March 15, 2012
    Applicant: RHODIA OPERATIONS
    Inventors: Lise Trouillet-Fonti, Eric Roche
  • Publication number: 20100285998
    Abstract: Certain polyamide beads or granules are useful as a sustaining material for underground natural or artificial cracks of the earth's crust essentially employed for the extraction of hydrocarbons such as crude oil or natural gas; such polyamide beads have a spherical or ellipsoidal shape and have a surface free of concave portions, advantageously having a uniform shape, and having a mean diameter lower than or equal to 1.7 mm and a porosity lower than 0.1 ml/g, and are produced using a particular cutting device/extruder.
    Type: Application
    Filed: December 20, 2007
    Publication date: November 11, 2010
    Inventors: Jean-Francois Estur, Eric Roche, Michael Eloo, Berthold Druschel
  • Patent number: 7740938
    Abstract: Spherical polyamide particles having a mean particle size of less than 1 mm, notably less than 100 ?m, are produced by dispersing the polyamide monomers in an inert liquid and then polymerizing same.
    Type: Grant
    Filed: June 22, 2004
    Date of Patent: June 22, 2010
    Assignee: Rhodia Polyamide Intermediates
    Inventors: Matthieu Helft, Eric Roche
  • Publication number: 20090072424
    Abstract: The invention relates to a process for the preparation of particles based on a thermoplastic polymer with a mean diameter of less than 1 mm. The process of the invention comprises more particularly a stage of preparation of a composition comprising the thermoplastic polymer and an additive, in the molten state, of cooling the composition and of disintegration of the thermoplastic polymer dispersion.
    Type: Application
    Filed: October 6, 2005
    Publication date: March 19, 2009
    Inventors: Pascal Herve, Christophe Paulo, Eric Roche, Mare Labeille, Franck Touraud
  • Publication number: 20080025892
    Abstract: A process for the recovery of magnesium oxide from a source containing magnesium salts, said process including the steps of: (a) adding an alkali and sulfur dioxide to the source containing magnesium salts, in a leach step to form a magnesium bi-sulfite containing leachate;(b) separating the insoluble materials from the leachate; (c) stripping excess sulfur dioxide from the leachate and precipitating the magnesium as solid magnesium sulfite hydrate; (d) separating the solid magnesium sulfite hydrate from the magnesium depleted leachate; and (e) calcining the solid magnesium sulfite hydrate and recovering the magnesium as magnesium oxide.
    Type: Application
    Filed: July 24, 2007
    Publication date: January 31, 2008
    Inventors: Eric Roche, Graham Reynolds, Coralie Lewis
  • Publication number: 20070269656
    Abstract: Spherical polyamide particles having a mean particle size of less than 1 mm, notably less than 100 ?m, are produced by dispersing the polyamide monomers in an inert liquid and then polymerizing same.
    Type: Application
    Filed: June 22, 2004
    Publication date: November 22, 2007
    Inventors: Matthieu Helft, Eric Roche
  • Publication number: 20070036967
    Abstract: Pearls based on expanded polymers are produced by extruding an expandable composition containing a thermoplastic polymer and an expanding agent, and thereafter cooling and chopping the expanded material thus obtained.
    Type: Application
    Filed: June 30, 2004
    Publication date: February 15, 2007
    Inventors: Jean-Francois Estur, Eric Roche, Jean-Francois Briois