Patents by Inventor Yohan Rolland

Yohan Rolland 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).

  • NOVEL METHOD FOR PREPARING PURIFIED EXTRACTS OF HARPAGOPHYTUM PROCUMBENS
    Publication number: 20190022159
    Abstract: A method for preparing a concentrated extract of Harpagophytum procumbens, in liquid or dry form, having a harpagoside titre greater than or equal to 5%, comprises a step of purifying a crude extract of Harpagophytum procumbens in liquid form in aqueous phase by a technique of liquid-liquid extraction with an organic solvent selected from the esters.
    Type: Application
    Filed: September 21, 2018
    Publication date: January 24, 2019
    Inventors: Yohan ROLLAND, Charles DUVAL
  • Method for preparing purified extracts of
    Patent number: 10111917
    Abstract: A method for preparing a concentrated extract of Harpagophytum procumbens, in liquid or dry form, having a harpagoside titer greater than or equal to 5%, comprises a step of purifying a crude extract of Harpagophytum procumbens in liquid form in aqueous phase by a technique of liquid-liquid extraction with an organic solvent selected from the esters.
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: October 30, 2018
    Assignee: NATUREX
    Inventors: Yohan Rolland, Charles Duval
  • EXTRACTS OF SANTOLINA CHAMAECYPARISSUS
    Publication number: 20170151299
    Abstract: The invention relates to an extract of Santolina chamaecyparissus, to a process for preparing said extract, to a composition comprising it, and to its use a preservative, particularly as antioxidant, bactericidal and/or fungicidal.
    Type: Application
    Filed: March 20, 2015
    Publication date: June 1, 2017
    Inventors: Alexis LAVAUD, Xavier FERNANDEZ, Florence MERCK, Claude MONIN, Yohan ROLLAND, Audrey KERDUDO, Alexandre DINGAS, Antoine Charles BILY, Marc ROLLER, Simona BIRTIC
  • Uses of hibiscus, in particular pharmaceutical uses
    Patent number: 9492489
    Abstract: The invention relates to the use of hibiscus or of a crude or purified hibiscus extract in the preparation of a medicament for the treatment or prevention of urinary infections associated with the presence of Escherichia coli and Candida albicans, especially for the treatment or prevention of cystitis.
    Type: Grant
    Filed: May 6, 2008
    Date of Patent: November 15, 2016
    Assignee: NATUREX
    Inventors: Yohan Rolland, Charles Duval
  • NOVEL USES OF HIBISCUS, IN PARTICULAR PHARMACEUTICAL USES
    Publication number: 20100323046
    Abstract: The invention relates to the use of hibiscus or of a crude or purified hibiscus extract in the preparation of a medicament for the treatment or prevention of urinary infections associated with the presence of Escherichia coli and Candida albicans, especially for the treatment or prevention of cystitis.
    Type: Application
    Filed: May 6, 2008
    Publication date: December 23, 2010
    Inventors: Yohan Rolland, Charles Duval
  • NOVEL METHOD FOR PREPARING PURIFIED EXTRACTS OF HARPAGOPHYTUM PROCUMBENS
    Publication number: 20100311675
    Abstract: The present invention relates to a method for preparing a concentrated extract of Harpagophytum procumbens, in liquid or dry form, having a harpagoside titre greater than or equal to 5%, which method comprises a step of purifying a crude extract of Harpagophtyum procumbens in liquid form in aqueous phase by a technique of liquid-liquid extraction with an organic solvent selected from the esters.
    Type: Application
    Filed: April 28, 2008
    Publication date: December 9, 2010
    Inventors: Yohan Rolland, Charles Duval