Patents by Inventor Hee-Seock Kim

Hee-Seock Kim 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: 7470707
    Abstract: A crystalline clopidogrel naphthalenesulfonate or a hydrate thereof, a method for preparing same, and a pharmaceutical composition containing same are provided.
    Type: Grant
    Filed: October 25, 2004
    Date of Patent: December 30, 2008
    Assignee: Hanmi Pharm. Co., Ltd
    Inventors: Sangmin Yun, Eun Sook Kim, Hee Seock Kim, Bo Sung Kwon, Cheol Kyung Kim, Han Kyong Kim, Kwee-Hyun Suh, Gwan Sun Lee
  • Patent number: 7449580
    Abstract: Ticlopidine and clopidogrel having high blood platelet aggregation inhibitory and anti-thrombotic activities are simply prepared by reacting a substituted thiophene derivative with a 2-chlorobenzylamine derivative.
    Type: Grant
    Filed: March 3, 2005
    Date of Patent: November 11, 2008
    Assignee: Hanmi Pharm. Co., Ltd
    Inventors: Sangmin Yun, Eun Sook Kim, Hee Seock Kim, Tae Hee Ha, Kwee-Hyun Suh, Gwan Sun Lee
  • Publication number: 20020061919
    Abstract: Pure 1,2,3,9-tetrahydro-9-methyl-3-[(2-methyl-1H-imidazol-1-yl)methyl]-4H-carbazol-4-one or a pharmaceutically acceptable salt thereof is prepared in a high yield by a simple process which reacts 1,2,3,9-tetrahydro-9-methyl-4H-carbazol-4-one with a 2-methylimidazole derivative in an organic solvent or in a mixture of an organic solvent and water in the presence of a halosilane compound.
    Type: Application
    Filed: November 20, 2001
    Publication date: May 23, 2002
    Inventors: Kwang-Ok Lee, Hee-Seock Kim, Young-Jin Ham, Maeng-Sup Kim, Han-Kyeng Kim, Cheol-Kyeung Kim, Kum-Sin Jung, Hoe-Chul Lee, Ki-Eun Kim, Gwan-Sun Lee
  • Patent number: 6388091
    Abstract: Pure -1,2,3,9-tetrahydro-9-methyl-3-[(2-methyl-1H-imidazol-1-yl)methyl]-4H-carbazol-4-one or a pharmaceutically acceptable salt thereof is prepared in a high yield by a simple process which reacts 1,2,3,9-tetrahydro-9-methyl-4H-carbazol-4-one with a 2-methylimidazole derivative in an organic solvent or in a mixture of an organic solvent and water in the presence of a halosilane compound.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: May 14, 2002
    Assignee: Hanmi Pharm. Co., Ltd.
    Inventors: Kwang-Ok Lee, Hee-Seock Kim, Young-Jin Ham, Maeng-Sup Kim, Han-Kyeng Kim, Cheol-Kyeung Kim, Kum-Sin Jung, Hoe-Chul Lee, Ki-Eun Kim, Gwan-Sun Lee