Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323552 | High foaming dentifrice compositions | — | 1982-04-06 |
| 4321167 | Heavy duty liquid detergent compositions containing alkoxylated alkylene diamines and fatty acids | — | 1982-03-23 |
| 4288232 | Ester containing fuel composition | Joseph H. Y. Niu | 1981-09-08 |
| 4276054 | Coal-oil slurries containing a surfactant | Joseph H. Y. Niu | 1981-06-30 |
| 4263179 | Heavy-duty liquid detergent compositions containing alkoxylated alkylene diamines | — | 1981-04-21 |
| 4206198 | Dentifrice | — | 1980-06-03 |