Patents by Inventor Jeong-soo Jang

Jeong-soo Jang 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).

  • Amlodipine gentisate and a method of its preparation
    Patent number: 7442714
    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: Grant
    Filed: December 15, 2004
    Date of Patent: October 28, 2008
    Assignee: SK Chemicals Co., Ltd.
    Inventors: Jae-Sun Kim, Jin Young Choi, Je Ho Ryu, Nam Kyu Lee, Jeong-soo Jang, Woo Jae Jang, Key An Um, Do Seung 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