Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6329353 | Clear personal care formulations containing quaternary ammonium compounds and other nitrogen-containing compounds | Damon M. Dalrymple, Frank Merz | 2001-12-11 |
| 6211139 | Polyester polyquaternary compounds, compositions containing them, and use thereof | Robert O. Keys, Floyd E. Friedli, Damon M. Dalrymple, Craig Poffenberger, David E. Whittlinger +1 more | 2001-04-03 |
| 5610187 | Biodegradable quaternary hair and skin conditioners | Andrea S. Allardice, Floyd E. Friedli | 1997-03-11 |
| 5552137 | Biodegradable quaternary hair conditioners | Andrea S. Allardice, Floyd E. Friedli | 1996-09-03 |