Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6570041 | Polyoxytetramethylene glycol and process for producing the same | Tamotsu Kodama, Takeshi Mori | 2003-05-27 |
| 6414109 | Process for producing tetrahydrofuran polymer | — | 2002-07-02 |
| 6395938 | Method of regulating molecular weight distribution of polyether glycol | — | 2002-05-28 |
| 4717480 | Method for separation of liquid mixture | Seiichi Manabe | 1988-01-05 |