Patents by Inventor Jean-Marie Houle

Jean-Marie Houle 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).

  • PHOTODYNAMIC THERAPY FOR THE TREATMENT OF HAIR LOSS
    Publication number: 20080056996
    Abstract: Photodynamic therapy (PDT) is used to stimulate and/or restore hair growth in areas of hair loss. Methods and compositions relating to PDT treatment for alopecia are disclosed. In light of PDT use to remove unwanted hair by inactivating or destroying hair follicles or destroying the tissue feeding the hair follicles, such methods and compositions relate to a surprising and unexpected discovery. PDT permits a means to treat conditions relating to hair loss such as androgenic alopecia, alopecia areata and drug-induced alopecia.
    Type: Application
    Filed: August 3, 2007
    Publication date: March 6, 2008
    Inventors: Guillermo Simkim, Anna Richter, David Hunt, John North, Peter Lutwyche, Ronald Boch, Jean-Marie Houle
  • Photodynamic therapy for the treatment of hair loss
    Patent number: 7264629
    Abstract: Photodynamic therapy (PDT) is used to stimulate and/or restore hair growth in areas of hair loss. Methods and compositions relating to PDT treatment for alopecia are disclosed. In light of PDT use to remove unwanted hair by inactivating or destroying hair follicles or destroying the tissue feeding the hair follicles, such methods and compositions relate to a surprising and unexpected discovery. PDT permits a means to treat conditions relating to hair loss such as androgenic alopecia, alopecia areata and drug-induced alopecia.
    Type: Grant
    Filed: April 23, 2003
    Date of Patent: September 4, 2007
    Assignee: QLT, Inc.
    Inventors: Guillermo O. Simkin, Anna M. Richter, David W. C. Hunt, John Robert North, Peter Lutwyche, Ronald Erwin Boch, Jean-Marie Houle
  • Hair growth
    Publication number: 20060265028
    Abstract: It has been discovered that photodynamic therapy (PDT) can stimulate an increase in hair count numbers and restore hair growth in areas of hair loss. A method according to the present invention comprises: a) administering an effective and/or sufficient amount of a photosensitizer to the target skin; b) irradiating the target skin with energy comprising one or more wavelength capable of activating said photosensitizer for a time period sufficient to activate the photosensitizer, wherein there is an increase in hair count numbers in the treated area. In one aspect of the present invention, there is a 2% or more increase in the number of terminal hairs within 3 months.
    Type: Application
    Filed: April 23, 2003
    Publication date: November 23, 2006
    Applicant: QLT INC.
    Inventors: Jean-Marie Houle, David Hunt
  • Photodynamic therapy for the treatment of hair loss
    Publication number: 20040029856
    Abstract: Photodynamic therapy (PDT) is used to stimulate and/or restore hair growth in areas of hair loss. Methods and compositions relating to PDT treatment for alopecia are disclosed. In light of PDT use to remove unwanted hair by inactivating or destroying hair follicles or destroying the tissue feeding the hair follicles, such methods and compositions relate to a surprising and unexpected discovery. PDT permits a means to treat conditions relating to hair loss such as androgenic alopecia, alopecia areata and drug-induced alopecia.
    Type: Application
    Filed: April 23, 2003
    Publication date: February 12, 2004
    Inventors: Guillermo O. Simkin, Anna M. Richter, David W. C. Hunt, John Robert North, Peter Lutwyche, Ronald Erwin Boch, Jean-Marie Houle