Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7632804 | Dietary products comprising one or more of γ-polyglutamic acid (γ-PGA, H form) and γ-polyglutamates for use as nutrition supplements | Tou-Hsiung Yang, Jeng Yang | 2009-12-15 |
| 7479229 | Method for removing heavy metals from and dissolving calcium and/or magnesium scales in water or aqueous system | Jeng Yang, Tou-Hsiung Yang | 2009-01-20 |
| 7364879 | Stable biodegradable, high water absorbable polyglutamic acid hydrogel by 3-dimensional cross-linking and its preparation method | Tou-Hsiung Yang, Kung-Hsiang Yang | 2008-04-29 |
| 4506015 | Multi-layer immobilized enzyme compositions | Chiang-Chang Liao | 1985-03-19 |
| 4384045 | Activation of a siliceous carrier for enzyme immobilization | Chiang-Chang Liao | 1983-05-17 |