Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5317063 | Water-soluble polymer sensitive to salt | Yasuo Iida | 1994-05-31 |
| 5312883 | Water-soluble polymer sensitive to salt | Ikuko Toki | 1994-05-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5317063 | Water-soluble polymer sensitive to salt | Yasuo Iida | 1994-05-31 |
| 5312883 | Water-soluble polymer sensitive to salt | Ikuko Toki | 1994-05-17 |