Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661189 | Detergent composition | Ailsa Pauline Grieveson, Shiji Shen, Liang Sheng Tsaur | 1997-08-26 |
| 5612307 | Detergent compositions containing separate stripes of surface active agents and benefit agent | John George Chambers, Ailsa Pauline Grieveson | 1997-03-18 |