Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5608021 | Cationic polymer thickener and process for preparing the same | Yujiro Uchiyama, Junichi Matsumoto | 1997-03-04 |
| 5603926 | Cosmetic composition comprising cationic polymer thickener | Junichi Matsumoto, Yujiro Uchiyama, Tetsuya Kambe, Tomiyuki Nanba | 1997-02-18 |