Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5726212 | Polymer membrane having a high permeability for alkanol | Sunhang Cho, Haibang Lee | 1998-03-10 |
| 5508041 | Microencapsulation for controlled oral drug delivery system | Haibang Lee | 1996-04-16 |
| 5362424 | Microencapsulation for controlled oral drug delivery system | Haibang Lee | 1994-11-08 |
| 5210117 | Resin composition having biodegradability and high absorbency, nonwoven fabric made of the same and pads comprising said fabric | Haibang Lee, Byungchul Shin | 1993-05-11 |
| 5166231 | Resin composition having biodegradability and high absorbency, nonwoven fabric made of the same and pads comprising said fabric | Haibang Lee, Byungchul Shin | 1992-11-24 |