Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6551971 | Detergent composition comprising an amphoteric surfactant system | Hideyuki Hanazawa | 2003-04-22 |
| 6432896 | Detergent composition comprising an amphoteric surfactant system | Hideyuki Hanazawa | 2002-08-13 |