Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8569490 | Intermediate and process for preparing entecavir using same | Jaeheon Lee, Jin-Hee Kim, Ji Eun Lee, Chul Hyun Park, Tae Jin CHOI +5 more | 2013-10-29 |
| 8569491 | Method for preparing entecavir and intermediate used therein | Jae-Heon Lee, Jin-Hee Kim, Tae Jin CHOI, Ji Eun Lee, Jung Hee Han +5 more | 2013-10-29 |
| 8097706 | Methods for preparing capecitabine and beta-anomer-rich trialkyl carbonate compound used therein | Jaeheon Lee, Weon Ki Yang, Jin-Hee Kim, Cheol Hyun Park, Yong-Hoon An +3 more | 2012-01-17 |
| 7858761 | 1-α-halo-2,2-difluoro-2-deoxy-D-ribofuranose derivatives and process for the preparation thereof | Jaeheon Lee, Moonsub Lee, Han Kyong Kim, Hyo-Jeong Bang, Young-Kil Chang +1 more | 2010-12-28 |
| 7799907 | Method for the preparation of 2′-deoxy-2′,2′-difluorocytidine | Jaeheon Lee, Moonsub Lee, Hyo-Jeong Bang, Jae Chul Lee, Cheol-Kyong Kim +5 more | 2010-09-21 |
| 7638642 | Method for the preparation of D-erythro-2,2-difluoro-2-deoxy-1-oxoribose derivative | Jaeheon Lee, Moonsub Lee, Cheol-Kyong Kim, Jae Chul Lee, Young-Kil Chang +1 more | 2009-12-29 |
| 7157576 | Crystalline acid salts of cefdinir and process for preparing cefdinir using same | Gwan Sun Lee, Young-Kil Chang, Hong Sun Kim, Chul Hyun Park, Cheol Kyung Kim | 2007-01-02 |
| 7112672 | Process for the selective preparation of 3-(z) propenyl-cephem compound | Gwan Sun Lee, Young-Kil Chang, Hong Sun Kim, Jae-Heon Lee, Chul Hyun Park +1 more | 2006-09-26 |
| 7084274 | Method for the selective preparation of 3-oxo-4-aza-5α-androstane compound | Young Ho Moon, Kyung Ik Lee, Chul Hyun Park, Jae-cheol Lee, Gwan Sun Lee +1 more | 2006-08-01 |
| 6900245 | Pharmaceutical composition comprising crystalline sibutramine methanesulfonate hemihydrate | Jae-Heon Lee, Jae-cheol Lee, Han Kyong Kim, Young-Kil Chang, Gwan Sun Lee | 2005-05-31 |
| 6639068 | Method of preparing highly pure cefpodoxime proxetil | Gwan Sun Lee, Young-Kil Chang, Jae-Heon Lee, Chul Hyun Park, Keum-Shin Jung | 2003-10-28 |
| 6620930 | Process for preparing 7-amino-3-methoxymethyl-3-cephem-4-carboxylic acid | Gwan Sun Lee, Jae-Heon Lee, Young-Kil Chang, Chul Hyun Park, Cheol Kyung Kim | 2003-09-16 |