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 | Jeffrey Donald Painter, Mary Ruth Leyendecker, Eugene Steven Sadlowski, Brian Xiaoqing Song, Joseph Herbert Thien | 2003-12-02 |
| 6630440 | Rinse-aid formulation | Xiaoqing Song | 2003-10-07 |