Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9617350 | Methods for preparing alkali cellulose and cellulose ether | Mitsuo Narita, Atsushi Yoshida, Hiroshi Umezawa | 2017-04-11 |
| 9611333 | Methods for preparing alkali cellulose and cellulose ether | Mitsuo Narita, Atsushi Yoshida, Hiroshi Umezawa | 2017-04-04 |
| 9534061 | Methods for preparing alkali cellulose and cellulose ether | Mitsuo Narita, Atsushi Yoshida, Hiroshi Umezawa | 2017-01-03 |