Patents by Inventor Waranush Jitpraphai

Waranush Jitpraphai 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).

  • Gastroretentive dosage forms for minocycline
    Patent number: 9561241
    Abstract: The present disclosure relates to dosage forms and methods that enhance the absorption of minocycline in the gastrointestinal tract and thereby enhance bioavailability of the minocycline, and further provides methods of using these dosage forms for the treatment of conditions such as acne.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: February 7, 2017
    Assignee: Medicis Pharmaceutical Corporation
    Inventors: Douglas A. Bakan, Waranush Jitpraphai, Steven B. Newhard, Mitchell S. Wortzman
  • Gastroretentive dosage forms for doxycycline
    Patent number: 9119793
    Abstract: The present disclosure relates to dosage forms, e.g., swell, float and bioadhesive, and methods that enhance the absorption of doxycycline in the gastrointestinal tract. The oral dosage forms control the spatial and temporal delivery of doxycycline in the gastrointestinal tract. This controlled spatial and temporal delivery provides a site and rate of release, respectively, of the doxycycline into the gastrointestinal tract that enhances the amount of the doxycycline absorbed into the bloodstream.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: September 1, 2015
    Assignee: Medicis Pharmaceutical Corporation
    Inventors: Douglas A. Bakan, Waranush Jitpraphai, Steven B. Newhard, Mitchell S. Wortzman
  • Methods and compositions for treating acne
    Patent number: 8263097
    Abstract: A method for treating acne on the skin. The method has the steps of (a) providing an drapeable or flexible porous article impregnated with an aqueous cleansing composition having a carrier, benzoyl peroxide, and one or more cleansing agents; (b) contacting an area of the skin affected by acne with the porous article such that the skin is contacted by the composition; and (c) removing the composition from the skin wherein residual benzoyl peroxide remains on the skin in an anti-acne effective amount. There are also anti-acne compositions.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: September 11, 2012
    Assignee: Medicis Pharmaceutical Corporation
    Inventors: Waranush Jitpraphai, Eugene Gans
  • Aqueous retinoid and benzoyl peroxide gel
    Publication number: 20120115954
    Abstract: Embodiments of this invention relate to a composition containing both benzoyl peroxide and a retinoid. Additionally, it relates to the treatment of acne vulgaris by applying an aqueous gel comprising BPO and a retinoid.
    Type: Application
    Filed: January 18, 2012
    Publication date: May 10, 2012
    Applicant: MEDICIS PHARMACEUTICAL CORPORATION
    Inventors: Mitchell S. Wortzman, Waranush Jitpraphai, Manzer Durrani
  • METHODS AND COMPOSITIONS FOR TREATING ACNE
    Publication number: 20120082710
    Abstract: A method for treating acne on the skin. The method has the steps of (a) providing an drapeable or flexible porous article impregnated with an aqueous cleansing composition having a carrier, benzoyl peroxide, and one or more cleansing agents; (b) contacting an area of the skin affected by acne with the porous article such that the skin is contacted by the composition; and (c) removing the composition from the skin wherein residual benzoyl peroxide remains on the skin in an anti-acne effective amount. There are also anti-acne compositions.
    Type: Application
    Filed: December 22, 2011
    Publication date: April 5, 2012
    Applicant: MEDICIS PHARMACEUTICAL CORPORATION
    Inventors: Waranush Jitpraphai, Eugene Gans
  • METHODS AND COMPOSITIONS FOR TREATING ACNE
    Publication number: 20100226948
    Abstract: A method for treating acne on the skin. The method has the steps of (a) providing an drapeable or flexible porous article impregnated with an aqueous cleansing composition having a carrier, benzoyl peroxide, and one or more cleansing agents; (b) contacting an area of the skin affected by acne with the porous article such that the skin is contacted by the composition; and (c) removing the composition from the skin wherein residual benzoyl peroxide remains on the skin in an anti-acne effective amount. There are also anti-acne compositions.
    Type: Application
    Filed: March 2, 2010
    Publication date: September 9, 2010
    Inventors: Waranush Jitpraphai, Eugene Gans
  • Aqueous retinoid and benzoyl peroxide gel
    Publication number: 20090131521
    Abstract: Embodiments of this invention relate to a composition containing both benzoyl peroxide and a retinoid. Additionally, it relates to the treatment of acne vulgaris by applying an aqueous gel comprising BPO and a retinoid.
    Type: Application
    Filed: October 20, 2008
    Publication date: May 21, 2009
    Inventors: Mitchell S. Wortzman, Waranush Jitpraphai, Manzer Durrani