Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451952 | Production process for allyl ether-based polymer | Takashi Fujisawa | 2002-09-17 |
| 6447696 | Grafted polymer and its production process and use | Masahito Takagi | 2002-09-10 |
| 6444771 | Acrylic acid-maleic acid copolymer (or its salt), its production process and use, and production process for aqueous maleic salt solution with low impurity content | Yoshihiro Maeda, Tamao Ishida | 2002-09-03 |