Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6913826 | Biodegradable polyester polymer and method for preparing the same using compressed gas | Youn-Woo Lee, Soo Hyun Kim, Young Ha Kim, Jong Min Park, Ji Won Pack | 2005-07-05 |
| 6841087 | Refrigerant composition comprising difluoromethane, 1,1,1-trifluoroethane and 1,1,1,2-tetrafluoroethane | Byung Gwon Lee, Byoung Sung Ahn, Kun You Park, Chang-Nyeon Kim | 2005-01-11 |