Patents by Inventor Key Um

Key Um 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).

  • Stable Pharmaceutical Composition Containing Benzimidazole Derivatives and Method of Manufacturing the Same
    Publication number: 20070212408
    Abstract: The present invention relates to an inclusion complex containing a benzimidazole derivative with excellent storage stability and a method of its preparation. In particular, the present invention relates to an inclusion complex containing a benzimidazole derivative with improved storage stability and a method of its preparation, where an inclusion complex is manufactured by performing an inclusion reaction by combining a benzimidazole derivative, cyclodextrin and a water-soluble polymer in an aqueous alkali solution in order to be formulated after stabilizing an acid-unstable benzimidazole derivative.
    Type: Application
    Filed: April 27, 2005
    Publication date: September 13, 2007
    Inventors: Nam Kim, Jin Choi, Jae Kim, Nam Lee, Je Ryu, Yong Hwang, Yong Oh, Dong Min, Key Um, Wei-Jong Kwak, Do Kum
  • Amlodipine gentisate and a method of its preparation
    Publication number: 20070135495
    Abstract: The present invention relates to an acid salt of amlodipine gentisate and a method of its preparation. More particularly, the present invention relates to a crystalline acid salt of amlodipine gentisate of the following formula 1 prepared by reacting amlodipine and gentisic acid, which is useful for the treatment of cardiovascular diseases and has the advantages of low toxicity, excellent stability, improved pharmaceutical efficacies and long-lasting concentration in blood.
    Type: Application
    Filed: December 15, 2004
    Publication date: June 14, 2007
    Inventors: Jae-Sun Kim, Jin Choi, Je Ryu, Nam Lee, Jeong-soo Jang, Woo Jang, Key Um, Do Kum