Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6900360 | High-purity 1,3-butylen glycol, process for producing 1,3-butylene glycol, and process for producing by-product butanol and butyl acetate | Hiroaki Uenakai, Hiroshi Koyama | 2005-05-31 |
| 6881803 | Method for producing copolymer of alkylvinyl ether and maleic anhydride, and copolymer of alkylvinyl ether and meleic anhydride | Toshio Endo, Tatsumi Fujii, Morihito Saito | 2005-04-19 |