Patents by Inventor Jean-Francois Leboeuf

Jean-Francois Leboeuf 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: 6740329
    Abstract: The invention provides a process for depositing, at room temperature, a softening lotion on an absorbent paper product, especially cellulose wadding, which lotion is a liquid at room temperature and is of the type comprising one or more emollient active substances as a dispersion or as an emulsion in a volatile liquid vehicle, especially in water, characterized in that it consists in spraying the lotion by means of a stream of gas under pressure so as to remove at least part of the volatile liquid vehicle in order to form and spray fine droplets of lotion, having a low proportion of volatile liquid vehicle, which are deposited on at least one face of the paper product.
    Type: Grant
    Filed: December 5, 2000
    Date of Patent: May 25, 2004
    Assignee: Georgia-Pacific France
    Inventors: Bruno Bret, Jean-Francois Leboeuf
  • Patent number: 6733772
    Abstract: The invention concerns a composition for a softening lotion which is liquid at a temperature of at least 5° C. and which is meant to be used in treating an absorbent paper product. In the invention, this composition comprises: (a) from 1 to 10% by wt. of a component essentially containing a quaternary ammonium compound; (b) from 5 to 99% by wt. of an aqueous emollient component which contains, as active substances: (i) one or more saturated linear fatty alcohols having at least 16 carbon atoms, (ii) one or more waxy esters having a total of at least 24 carbon atoms and, where called for, (iii) one or more nonionic and/or amphoteric emulsifiers; and (c) a balance to 100% by wt. of the required amount of a solvent of the type polyol, mineral oil or their mixtures. The invention relates to the manufacture of absorbent paper products.
    Type: Grant
    Filed: September 20, 2000
    Date of Patent: May 11, 2004
    Assignee: Georgia-Pacific France
    Inventors: Bruno Bret, Jean-Francois Leboeuf
  • Publication number: 20010006676
    Abstract: The invention provides a process for depositing, at room temperature, a softening lotion on an absorbent paper product, especially cellulose wadding, which lotion is a liquid at room temperature and is of the type comprising one or more emollient active substances as a dispersion or as an emulsion in a volatile liquid vehicle, especially in water, characterized in that it consists in spraying the lotion by means of a stream of gas under pressure so as to remove at least part of the volatile liquid vehicle in order to form and spray fine droplets of lotion, having a low proportion of volatile liquid vehicle, which are deposited on at least one face of the paper product.
    Type: Application
    Filed: December 5, 2000
    Publication date: July 5, 2001
    Inventors: Bruno Bret, Jean-Francois Leboeuf
  • Patent number: 6207014
    Abstract: The invention concerns in particular a composition for a softening lotion used in fiber treatment. In the invention, the lotion composition is aqueous and liquid at a temperature of at least 5° C. and comprises, as active substances: (a) one or more saturated linear fatty alcohols having at least 16 carbon atoms, and (b) one or more waxy esters having a total of at least 24 carbon atoms. The application of the invention is to the manufacture of fibrous products such as disposable absorbent paper products.
    Type: Grant
    Filed: September 10, 1998
    Date of Patent: March 27, 2001
    Assignees: Fort James France, Sidobre Sinnova
    Inventors: Christian de Haut, Benoit Abribat, Maria Da Silva Marques, Bruno Bret, Jean-Francois Leboeuf
  • Patent number: 6146648
    Abstract: The invention concerns a composition for a softening lotion which is liquid at a temperature of at least 5.degree. C. and which is meant/to be used in treating an absorbent paper product. In the invention, this composition comprises: (a) from 1 to 10% by wt. of a component essentially containing a quaternary ammonium compound; (b) from 5 to 99% by wt. of an aqueous emollient component which contains, as active substances: (i) one or more saturated linear fatty alcohols having at least 16 carbon atoms, (ii) one or more waxy esters having a total of at least 24 carbon atoms and, where called for, (iii) one or more nonionic and/or amphoteric emulsifiers; and (c) a balance to 100% by wt. of the required amount of a solvent of the type polyol, mineral oil or their mixtures. The invention relates to the manufacture of absorbent paper products.
    Type: Grant
    Filed: September 10, 1998
    Date of Patent: November 14, 2000
    Assignee: Fort James France
    Inventors: Bruno Bret, Jean-Francois Leboeuf