Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4533721 | Chlorine containing polyether sulfone polymers and preparation thereof | Shigeru Kurosawa | 1985-08-06 |
| 4351922 | Process for the production of highly water-absorbing but less water-soluble hydrogels | Tooru Yoshida, Seigo Iwagami, Yoshikazu Hosoda | 1982-09-28 |