Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 | Shigeru Yamaguchi, Yoshihiro Maeda | 2002-09-03 |