Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6656898 | Enzyme composite particles having an acidic barrier and a physical barrier coating | Peter Robert Foley, Mary Ruth Leyendecker, Eugene Steven Sadlowski, Brian Xiaoqing Song, Joseph Herbert Thien | 2003-12-02 |
| 6548473 | Multi-layer detergent tablet having both compressed and non-compressed portions | Christiaan Arthur Jacques Kamiel Thoen, William Michael Scheper, Xiaoqing Song | 2003-04-15 |