Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7559955 | Surfactants useful in the removal of oily soil from fabric | Kenneth L. Zack | 2009-07-14 |
| 6617297 | Automatic dishwashing tablets with improved chlorine stability | Kenneth L. Zack, Michael C. Welch | 2003-09-09 |