Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939844 | Concentrated, preferably biodegradable, quaternary ammonium fabric softener compositions containing cationic polymers and process for preparation | Toan Trinh, Errol H. Wahl, Richard Martin Ward | 2005-09-06 |
| 6797688 | Concentrated, preferably biodegradable, quaternary ammonium fabric softener compositions containing cationic polymers and process for preparation | Toan Trinh, Errol Hoffman Wahl, Richard Martin Ward | 2004-09-28 |
| 6492322 | Concentrated quaternary ammonium fabric softener compositions containing cationic polymers | Toan Trinh, Errol Hoffman Wahl, Richard Martin Ward | 2002-12-10 |