Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645445 | Process for removing titanium oxide or red oxide from ethylene glycol | Kikuchi Sato | 2003-11-11 |
| 6630601 | Methods for the preparation or purification of bis-&bgr;-hydroxyethyl terephthalate | Kikuchi Sato | 2003-10-07 |