Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4391649 | Process for regenerating a strongly acidic cation exchange resin | Hiroshi Shimizu, Sigeo Sakai, Fumihiko Matsuda | 1983-07-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4391649 | Process for regenerating a strongly acidic cation exchange resin | Hiroshi Shimizu, Sigeo Sakai, Fumihiko Matsuda | 1983-07-05 |