Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6441200 | Method for preparing DL-&agr;-tocopherol with a high yield and high purity | Sijoon Lee, Young Seek Yoon, Myung Jun Kim, Jun Tae Choi, Byong-Sung Kwak | 2002-08-27 |
| 6384245 | Method for preparing DL-&agr;-tocopherol with high yield | Heui-Young Cheong, Sijoon Lee | 2002-05-07 |