Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6734255 | Graft polymer, process for the production thereof and solution-type water-and oil-repellent compositions containing the polymer | Fumihiko Yamaguchi, Makoto Hanazawa | 2004-05-11 |
| 6693144 | Graft copolymer and solvent-based water-and oil-repellant composition comprising the same | Fumihiko Yamaguchi, Makoto Hanazawa | 2004-02-17 |