Patents by Inventor William Paul Purcell

William Paul Purcell 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).

  • Topical compositions for treatment of skin conditions
    Patent number: 8865694
    Abstract: The invention provides a topical formulation adapted for treatment of a skin condition comprising (i) at least one retinoid; and (ii) salicylic acid or an ester, amide, salt, or solvate thereof. The invention also includes a kit for treatment of skin conditions comprising a retinoid and salicylic acid, as well as a method of treating skin conditions utilizing the inventive formulation and kit.
    Type: Grant
    Filed: May 3, 2013
    Date of Patent: October 21, 2014
    Assignee: Molecular Design International, Inc.
    Inventor: William Paul Purcell
  • TOPICAL COMPOSITIONS FOR TREATMENT OF SKIN CONDITIONS
    Publication number: 20140066414
    Abstract: The invention provides a topical formulation adapted for treatment of a skin condition comprising (i) at least one retinoid; and (ii) salicylic acid or an ester, amide, salt, or solvate thereof. The invention also includes a kit for treatment of skin conditions comprising a retinoid and salicylic acid, as well as a method of treating skin conditions utilizing the inventive formulation and kit.
    Type: Application
    Filed: May 3, 2013
    Publication date: March 6, 2014
    Inventor: William Paul Purcell
  • TOPICAL COMPOSITIONS FOR TREATMENT OF SKIN CONDITIONS
    Publication number: 20130237505
    Abstract: The invention provides a topical formulation adapted for treatment of a skin condition comprising (i) at least one retinoid; and (ii) salicylic acid or an ester, amide, salt, or solvate thereof. The invention also includes a kit for treatment of skin conditions comprising a retinoid and salicylic acid, as well as a method of treating skin conditions utilizing the inventive formulation and kit.
    Type: Application
    Filed: May 3, 2013
    Publication date: September 12, 2013
    Applicant: CONCERT, LLC
    Inventor: William Paul Purcell
  • Topical compositions for treatment of skin conditions
    Publication number: 20080139518
    Abstract: The invention provides a topical formulation adapted for treatment of a skin condition comprising (i) at least one retinoid; and (ii) salicylic acid or an ester, amide, salt, or solvate thereof. The invention also includes a kit for treatment of skin conditions comprising a retinoid and salicylic acid, as well as a method of treating skin conditions utilizing the inventive formulation and kit.
    Type: Application
    Filed: December 4, 2007
    Publication date: June 12, 2008
    Inventor: William Paul Purcell