Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5449658 | Biocidal compositions comprising polyhexamethylene biguanide and EDTA, and methods for treating commercial and recreational water | Michael J. Unhoch, Peter S. K. Lee | 1995-09-12 |
| 4313847 | Surfactant compositions | Thomas J. Zaucha | 1982-02-02 |