Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8349969 | Method for preparing high-purity polyethyleneglycol aldehyde derivatives | Seong-Nyun Kim, Woo Hyuk Choi, Hak JANG, Gwan Sun Lee, Se Chang Kwon | 2013-01-08 |
| 7781563 | Preparing method of methoxypolyethyleneglycol and its derivatives | Seong-Neon Kim, Chong-Gu Lee, Ju Sung LEE | 2010-08-24 |
| 5916587 | Transdermal delivery matrix for piroxicam | Dong Son Min, Kee An Um, Yong-Soo Kim, Key Hyup Kim, Ho Seung Yang +2 more | 1999-06-29 |
| 5541183 | Ginkgolide derivatives | Sungsoo Pyo, Suk-Kwan Lee, Jin-Heung Sung, Wie-Jong Kwak, Hwa K. Park +3 more | 1996-07-30 |
| 5466829 | Ginkgolide derivatives and a process for preparing them | Hwa K. Park, Suk-Kwan Lee, Wie J. Kwan | 1995-11-14 |