Patents by Inventor Kye Kwan Lee

Kye Kwan Lee 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).

  • Patent number: 6673841
    Abstract: The present invention relates to a composition of topical preparation containing alprostadil alkyl ester, and more particularly, comprising an alprostadil alkyl ester, an oily vehicle, a skin permeation enhancer and an anti-irritant agent.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: January 6, 2004
    Assignee: Whan In Pharm. Co., Ltd.
    Inventors: Dong Soo Lee, Kye Kwan Lee, Yun Seok Rhee, Jun Hee Jang, Sun Oh Jeoung, Sang Jin Kim, Sang Cheol Chi
  • Publication number: 20030125382
    Abstract: The present invention relates to a composition of topical preparation containing alprostadil alkyl ester, and more particularly, comprising an alprostadil alkyl ester, an oily vehicle, a skin permeation enhancer and an anti-irritant agent.
    Type: Application
    Filed: December 20, 2001
    Publication date: July 3, 2003
    Applicant: WHAN IN PHARM. CO., LTD.
    Inventors: Dong Soo Lee, Kye Kwan Lee, Yun Seok Rhee, Jun Hee Jang, Sun Oh Jeoung, Sang Jin Kim, Sang Cheol Chi
  • Patent number: 6500440
    Abstract: The present invention relates to a composition of topical preparation containing alprostadil, which has excellent skin permeation rate with little skin irritation, which is prepared by dissolving alprostadil or a solid dispersion thereof prepared using poloxamer, into a mixture of an oily vehicle, a pyrrolidone and an anti-irritant agent.
    Type: Grant
    Filed: August 29, 2000
    Date of Patent: December 31, 2002
    Assignee: Whan In Pharm Co., Ltd.
    Inventors: Sang-Cheol Chi, Dong Soo Lee, Kye Kwan Lee