Patents by Inventor Marie-Helene Charest

Marie-Helene Charest 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).

  • Antimicrobial Compositions And Uses Thereof
    Publication number: 20170303539
    Abstract: The present invention relates to an antimicrobial composition having activity against Gram-positive and Gram-negative bacteria. The composition is a) a composition comprising at least two organic acids selected from the group consisting of lactic acid, acetic acid, benzoic acid and citric acid; b) a composition comprising at least two bacteriocin selected from the group consisting of pediocin, Nisin and reuterin; c) a composition comprising pediocin and at least two organic acids selected from the group consisting of lactic acid, acetic acid, benzoic acid and citric acid; or d) a composition comprising reuterin and at least one organic acid selected from the group consisting of lactic acid, acetic acid, benzoic acid and citric acid. The present invention also relates to the use of said compositions for sanitizing and/or disinfecting surfaces and method thereof.
    Type: Application
    Filed: May 8, 2017
    Publication date: October 26, 2017
    Applicant: CASCADES CANADA ULC
    Inventors: Ismail Fliss, Pierre Hudon, Marie-Helene Charest, Nathalie Comeau
  • Antimicrobial compositions and uses thereof
    Patent number: 9642362
    Abstract: The present invention relates to an antimicrobial composition having activity against Gram-positive and Gram-negative bacteria. The composition is a) a composition comprising at least two organic acids selected from the group consisting of lactic acid, acetic acid, benzoic acid and citric acid; b) a composition comprising at least two bacteriocin selected from the group consisting of pediocin, Nisin and reuterin; c) a composition comprising pediocin and at least two organic acids selected from the group consisting of lactic acid, acetic acid, benzoic acid and citric acid; or d) a composition comprising reuterin and at least one organic acid selected from the group consisting of lactic acid, acetic acid, benzoic acid and citric acid. The present invention also relates to the use of said compositions for sanitizing and/or disinfecting surfaces and method thereof.
    Type: Grant
    Filed: April 15, 2013
    Date of Patent: May 9, 2017
    Assignee: CASCADES CANADA ULC
    Inventors: Ismail Fliss, Pierre Hudon, Marie-Helene Charest, Nathalie Comeau
  • ANTIMICROBIAL COMPOSITIONS AND USES THEREOF
    Publication number: 20150072920
    Abstract: The present invention relates to an antimicrobial composition having activity against Gram-positive and Gram-negative bacteria. The composition is a) a composition comprising at least two organic acids selected from the group consisting of lactic acid, acetic acid, benzoic acid and citric acid; b) a composition comprising at least two bacteriocin selected from the group consisting of pediocin, Nisin and reuterin; c) a composition comprising pediocin and at least two organic acids selected from the group consisting of lactic acid, acetic acid, benzoic acid and citric acid; or d) a composition comprising reuterin and at least one organic acid selected from the group consisting of lactic acid, acetic acid, benzoic acid and citric acid. The present invention also relates to the use of said compositions for sanitizing and/or disinfecting surfaces and method thereof.
    Type: Application
    Filed: April 15, 2013
    Publication date: March 12, 2015
    Applicant: CASCADES CANADA ULC
    Inventors: Ismail Fliss, Pierre Hudon, Marie-Helene Charest, Nathalie Comeau
  • Anti-microbial tissue paper and process to manufacture same
    Patent number: 8802132
    Abstract: An antimicrobial paper includes a paper web having a grammage between 10 and 60 grams per square meter, a cationizing agent in a concentration ranging between 0.05 wt % and 5 wt %, an antimicrobial agent in a concentration ranging between 0.01 wt % and 3 wt %, the antimicrobial agent and the cationizing agent being added on the paper web having a consistency above 15 wt %, the antimicrobial paper having an antimicrobial agent release of above about 0.01 wt % when wetted.
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: August 12, 2014
    Assignee: Cascades Canada ULC
    Inventors: Marie-Hélène Charest, Jean-Francois Samuel, Pascal Allard, Régis Arsenault, Charles Beaulne, Jean-Marc Bouchard, Benoît Graton, Gabriel Sanapo
  • ANTI-MICROBIAL TISSUE PAPER AND PROCESS TO MANUFACTURE SAME
    Publication number: 20120301536
    Abstract: An antimicrobial paper includes a paper web having a grammage between 10 and 60 grams per square meter, a cationizing agent in a concentration ranging between 0.05 wt % and 5 wt %, an antimicrobial agent in a concentration ranging between 0.01 wt % and 3 wt %, the antimicrobial agent and the cationizing agent being added on the paper web having a consistency above 15 wt %, the antimicrobial paper having an antimicrobial agent release of above about 0.01 wt % when wetted.
    Type: Application
    Filed: January 18, 2011
    Publication date: November 29, 2012
    Applicant: CASCADES CANADA ULC
    Inventors: Marie-Hélène Charest, Jean-Francois Samuel, Pascal Allard, Régis Arsenault, Charles Beaulne, Jean-Marc Bouchard, BenoiT Graton, Gabriel Sanapo