Patents Assigned to Whan In Pharm Co., Ltd.
  • Alprostadil alkyl ester-containing composition for external application
    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
  • Alprostadil alkyl ester-containing composition for external application
    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
  • Topical preparation of alprostadil for the treatment of erectile dysfunction
    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