Patents by Inventor Peter Lutwyche

Peter Lutwyche 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).

  • Compositions for Treatment of Diseases of the Nail Unit
    Publication number: 20080299165
    Abstract: A flowable composition suitable for use as a controlled release implant, the composition comprising a biodegradable thermoplastic polyester that is at least substantially insoluble in aqueous medium or body fluid; a biocompatible polar aprotic solvent selected from the group consisting of an amide, an ester, a carbonate, a ketone, an ether, and a sulfonyl; wherein the biocompatible polar aprotic solvent is miscible to dispersible in aqueous medium or body fluid, and antifungal active.
    Type: Application
    Filed: February 17, 2006
    Publication date: December 4, 2008
    Inventors: Jing-song Tao, Ronald Erwin Boch, Alain H. Curaudeau, Peter Lutwyche, Agnes How-Ching Chan
  • 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
  • Photodynamic therapy for the treatment of hair loss
    Patent number: 7090691
    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: November 8, 2002
    Date of Patent: August 15, 2006
    Assignee: QLT Inc.
    Inventors: Guillermo O. Simkin, Anna M. Richter, David W. C. Hunt, John Robert North, Peter Lutwyche, Ronald Erwin Boch
  • Compositions comprising a photosensitizer and a skin-penetration enhancer and their use in photodynamic treatment
    Publication number: 20050090481
    Abstract: The present invention relates to a composition comprising a photosensitizing agent and a skin-penetration enhancer. The composition herein show improved delivery of the photosensitizer through the stratum corneum. In addition, the composition of the present invention show improved stability and a reduced incidence of skin photosensitivity.
    Type: Application
    Filed: November 8, 2002
    Publication date: April 28, 2005
    Inventors: Ronald Boch, Peter Lutwyche, John North, Wendy Monk
  • 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
  • Photodynamic therapy for the treatment of hair loss
    Publication number: 20040015214
    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: November 8, 2002
    Publication date: January 22, 2004
    Inventors: Guillermo O. Simkin, Anna M. Richter, David W. C. Hunt, John Robert North, Peter Lutwyche, Ronald Erwin Boch