Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696288 | Process for the preparation of 2,2'-oxydisuccinate | Donna Wu, Shang-Ren Wu | 1997-12-09 |
| 5693854 | Ethylene dicysteate sequestrants and methods for preparation | Shang-Ren Wu, Robert Vermeer | 1997-12-02 |
| 5688996 | Ethyene containing cysteate sequestrants and methods of manufacture | Shang-Ren Wu, Robert Vermeer | 1997-11-18 |
| 5686402 | Detergent compositions containing ethylene dicysteate (EDC) sequestrants | Shang-Ren Wu, Robert Vermeer | 1997-11-11 |
| 5668098 | Detergent compositions containing ethylene aspartate cysteate (EAC) sequestrants | Shang-Ren Wu, Robert Vermeer | 1997-09-16 |
| 5663427 | Cysteic monosuccinic acid and its salts | Shang-Ren Wu | 1997-09-02 |