Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6600070 | Methods for making 2-(&ohgr;-alkoxycarbonylalkanoyl)-4-butanolide, ester of &ohgr;-hydroxy-(&ohgr;-3)-ketoaliphatic acid, and derivatives thereof | Hideaki Takaoka, Sigeru Wada, Nobuhiko Ito, Shinzo Imamura, Hideo Muraoka | 2003-07-29 |
| 6586567 | Production process of polyphenylene ether | Yuji Takeda, Isamu Masumoto, Akira Mitsui | 2003-07-01 |
| 6528668 | Methods for making 2-(&ohgr;-alkoxycarbonylalkanoyl)-4-butanolide, ester of &ohgr;-hydroxy-(&ohgr;-3)-ketoaliphatic acid, and derivatives thereof | Hideaki Takaoka, Sigeru Wada, Nobuhiko Ito, Shinzo Imamura, Hideo Muraoka | 2003-03-04 |