Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7683039 | Water soluble, randomly substituted partial N-, partial O-acetylated chitosan, preserving compositions containing chitosan, and processes for making thereof | William M. Hung, Kai C. Su, Guigui Wang | 2010-03-23 |
| 7125967 | Water-soluble chitosan having low endotoxin concentration and methods for making and using the same | William M. Hung, Kai C. Su, Guigui Wang, Sherry Wages | 2006-10-24 |
| 6716970 | Water soluble, randomly substituted partial N-partial O-acetylated chitosan, preserving compositions containing chitosan, and processes for making thereof | William M. Hung, Kai C. Su, Guigui Wang | 2004-04-06 |