Patents by Inventor Patrick Guilchet

Patrick Guilchet 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).

  • Filter For Smoking or Vaping Article Comprising a Smooth Paper
    Publication number: 20230383465
    Abstract: The present invention relates to a paper substrate with smooth face that is suitable for being used in a filter for a smoking article or vaping article.
    Type: Application
    Filed: May 16, 2023
    Publication date: November 30, 2023
    Inventors: Diane Raverdy-Lambert, Patrick Guilchet
  • Filter For Smoking or Vaping Article Comprising a Two-Layer Material
    Publication number: 20230148658
    Abstract: The invention provides a material which comprises a paper substrate and a nonwoven substrate having a low density which can be used as filter for a smoking or vaping article.
    Type: Application
    Filed: November 16, 2022
    Publication date: May 18, 2023
    Inventors: Patrick Guilchet, Diane Raverdy-Lambert
  • Paper Sheet and Method of Making It
    Publication number: 20220022529
    Abstract: The present invention relates to a biodegradable paper sheet for filter element comprising refined cellulose fibers and hydrophobic fibers.
    Type: Application
    Filed: December 6, 2019
    Publication date: January 27, 2022
    Inventors: Jiayi Pan, Patrick Guilchet
  • Smoking articles having reduced ignition proclivity characteristics
    Patent number: 10470489
    Abstract: Smoking articles having reduced ignition proclivity characteristics are disclosed. The smoking articles include a paper wrapper containing cellulosic fibers and filler particles. The paper wrappers are treated with a film-forming composition in order to reduce the ignition proclivity characteristics of the smoking articles. In one embodiment, the film-forming composition contains an alginate combined with a starch. In an alternative embodiment, the film-forming composition contains a film-forming material combined with filler particles. The filler particles may comprise kaolin clay, magnesium oxide, mica, alum, or mixtures thereof.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: November 12, 2019
    Assignee: Schweitzer-Maudult International, Inc.
    Inventors: Raoul Herve, Julia Cloitre-Chabert, Patrick Guilchet, Thomas A. Kraker
  • Smoking Articles Having Reduced Ignition Proclivity Characteristics
    Publication number: 20140090656
    Abstract: Smoking articles having reduced ignition proclivity characteristics are disclosed. The smoking articles include a paper wrapper containing cellulosic fibers and filler particles. The paper wrappers are treated with a film-forming composition in order to reduce the ignition proclivity characteristics of the smoking articles. In one embodiment, the film-forming composition contains an alginate combined with a starch. In an alternative embodiment, the film-forming composition contains a film-forming material combined with filler particles. The filler particles may comprise kaolin clay, magnesium oxide, mica, alum, or mixtures thereof.
    Type: Application
    Filed: December 6, 2013
    Publication date: April 3, 2014
    Applicant: Schweitzer-Mauduit International, Inc.
    Inventors: Raoul Herve, Julia Cloitre-Chabert, Patrick Guilchet, Thomas A. Kraker
  • Smoking Articles Having Reduced Ignition Proclivity Characteristics
    Publication number: 20090120450
    Abstract: Smoking articles having reduced ignition proclivity characteristics are disclosed. The smoking articles include a paper wrapper containing cellulosic fibers and filler particles. The paper wrappers are treated with a film-forming composition in order to reduce the ignition proclivity characteristics of the smoking articles. In one embodiment, the film-forming composition contains an alginate combined with a starch. In an alternative embodiment, the film-forming composition contains a film-forming material combined with filler particles. The filler particles may comprise kaolin clay, magnesium oxide, mica, alum, or mixtures thereof.
    Type: Application
    Filed: July 3, 2008
    Publication date: May 14, 2009
    Applicant: Schweitzer-Mauduit International, Inc.
    Inventors: Raoul Herve, Julia Cloitre-Chabert, Patrick Guilchet, Thomas A. Kraker