Patents by Inventor Mun Choun Ha

Mun Choun Ha 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).

  • S-(-)-amlodipine nicotinate and process for the preparation thereof
    Patent number: 7579475
    Abstract: The present invention provides a novel salt of S-(?)-amlodipine, i.e., a nicotinic acid salt of S-(?)-amlodipine, a process for preparing the same, and a pharmaceutical composition comprising the same as an active ingredient.
    Type: Grant
    Filed: August 21, 2007
    Date of Patent: August 25, 2009
    Assignee: Hanlim Pharmaceutical Co., Ltd.
    Inventors: You Sup Chung, Mun Choun Ha
  • Processes for the preparation of S-(-)-amlodipine
    Patent number: 7482464
    Abstract: Provided is a process for the preparation of S-(?)-amlodipine from (R,S)-amlodipine in industrial-scale using L-(+)-tartaric acid, which is much cheaper than D-(?)-tartaric acid.
    Type: Grant
    Filed: February 28, 2007
    Date of Patent: January 27, 2009
    Assignee: Hanlim Pharmaceutical Co., Ltd.
    Inventors: You Sup Chung, Mun Choun Ha
  • S-(?)-amlodipine nicotinate and process for the preparation thereof
    Patent number: 7279492
    Abstract: The present invention provides a novel salt of S-(?)-amlodipine, i.e., a nicotinic acid salt of S-(?)-amlodipine, a process for preparing the same, and a pharmaceutical composition comprising the same as an active ingredient.
    Type: Grant
    Filed: September 8, 2003
    Date of Patent: October 9, 2007
    Assignee: Hanlim Pharmaceutical Co., Ltd.
    Inventors: You Sup Chung, Mun Choun Ha
  • Processes for the preparation of S-(-)-amlodipine
    Patent number: 7202365
    Abstract: Provided is a process for the preparation of S-(?)-amlodipine from (R,S)-amlodipine in industrial-scale using L-(+)-tartaric acid, which is much cheaper than D-(?)-tartaric acid.
    Type: Grant
    Filed: September 8, 2003
    Date of Patent: April 10, 2007
    Assignee: Hamlim Pharmaceutical Co., Ltd.
    Inventors: You Sup Chung, Mun Choun Ha
  • S-(-) -amlodipine nicotinate and process for the preparation thereof
    Publication number: 20060014795
    Abstract: The present invention provides a novel salt of S-(?)-amlodipine, i.e., a nicotinic acid salt of S-(?)-amlodipine, a process for preparing the same, and a pharmaceutical composition comprising the same as an active ingredient.
    Type: Application
    Filed: September 8, 2003
    Publication date: January 19, 2006
    Applicant: Hanlim Pharmaceutical Co., Ltd.
    Inventors: You Chung, Mun Choun Ha