Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4704190 | Pulp slurry drainage improver | Susumu Harada | 1987-11-03 |
| 4644042 | Polymers of N-substituted secondary monoallylamines and their salts and process for producing the same | Toshio Ueda, Kenji Kageno, Kiyoshi Shimizu, Susumu Harada | 1987-02-17 |
| 4605701 | Small-globular crosslinked monoallylamine polymer and process for producing the same | Susumu Harada, Koichi Sato | 1986-08-12 |
| 4569979 | Process for producing a polymer of an inorganic acid salt of monoallylamine | Susumu Harada | 1986-02-11 |
| 4504640 | Process for producing monoallylamine polymer | Susumu Harada | 1985-03-12 |