Patents by Inventor Kathleen L. Clark

Kathleen L. Clark 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 anti-pruritic compositions and methods of action of same
    Patent number: 10118055
    Abstract: Topical anti-pruritic compositions and methods of using the same to treat pruritus. These anti-pruritic compositions are capable of temporarily or permanently reducing, inhibiting, treating, ameliorating, and/or preventing pruritic skin conditions, as well as other related skin conditions. In a particular aspect, the present formulations provide a quicker and more effective treatment of pruritus than do certain present pruritus-treating compositions.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: November 6, 2018
    Assignee: STIEFEL LABORATORIES, INC.
    Inventors: Kathleen L. Clark, Joanne M. Fraser
  • Topical skin treating compositions
    Patent number: 9107844
    Abstract: A topical composition and methods of using same for treating various skin disorders or conditions. In a particular aspect, these compositions comprise a storage-stable benzoyl peroxide-containing composition in suspension and an antibiotic or pharmaceutically acceptable salt or ester thereof in solution and a retinoid or a pharmaceutically acceptable salt thereof in suspension, wherein the topical composition has a final pH of about 3 to about 8. In an alternative embodiment, these compositions comprise a storage-stable mixture of a retinoid or a pharmaceutically acceptable salt thereof and either a benzoyl peroxide-containing composition or clindamycin or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: February 2, 2007
    Date of Patent: August 18, 2015
    Assignee: STIEFEL LABORATORIES INC.
    Inventors: Kathleen L. Clark, Jeffrey S. Reynolds
  • TOPICAL ANTI-PRURITIC COMPOSITIONS AND METHODS OF ACTION OF SAME
    Publication number: 20110237593
    Abstract: Topical anti-pruritic compositions and methods of using the same to treat pruritus. These anti-pruritic compositions are capable of temporarily or permanently reducing, inhibiting, treating, ameliorating, and/or preventing pruritic skin conditions, as well as other related skin conditions. In a particular aspect, the present formulations provide a quicker and more effective treatment of pruritus than do certain present pruritus-treating compositions.
    Type: Application
    Filed: June 8, 2011
    Publication date: September 29, 2011
    Applicant: STIEFEL LABORATORIES, INC.
    Inventors: Kathleen L. CLARK, Joanne M. FRASER
  • Topical Skin Treating Compositions
    Publication number: 20090226380
    Abstract: A topical composition and methods of using same for treating various skin disorders or conditions. In a particular aspect, these compositions comprise a storage-stable benzoyl peroxide-containing composition in suspension and an antibiotic or pharmaceutically acceptable salt or ester thereof in solution and a retinoid or a pharmaceutically acceptable salt thereof in suspension, wherein the topical composition has a final pH of about 3 to about 8. In an alternative embodiment, these compositions comprise a storage-stable mixture of a retinoid or a pharmaceutically acceptable salt thereof and either a benzoyl peroxide-containing composition or clindamycin or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: February 2, 2007
    Publication date: September 10, 2009
    Inventors: Kathleen L. Clark, Jeffrey S. Reynolds
  • Compositions for treatment of hyperpigmentation and methods for making and using such compositions
    Publication number: 20040185016
    Abstract: A composition for treatment of hyperpigmentation having a SPF value of at least 15 includes hydroquinone, sunscreens, antioxidants and emulsifiers and emollients. The composition can be made into an emulsion having physical and chemical stability for a prolonged period of time over a wide range of temperatures.
    Type: Application
    Filed: March 1, 2004
    Publication date: September 23, 2004
    Inventors: Karl F. Popp, Kathleen L. Clark
  • Compositions for treatment of hyperpigmentation and methods for making and using such compositions
    Patent number: 6699464
    Abstract: A composition for treatment of hyperpigmentation having a SPF value of at least 15 includes hydroquinone, sunscreens, antioxidants and emulsifiers and emollients. The composition can be made into an emulsion having physical and chemical stability for a prolonged period of time over a wide range of temperatures.
    Type: Grant
    Filed: July 30, 2002
    Date of Patent: March 2, 2004
    Assignee: Stiefel Laboratories, Inc.
    Inventors: Karl F. Popp, Kathleen L. Clark