Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8496916 | Sunscreen composition with polyhydroxy quaternary ammonium salts | Bijan Harichian, Van Au, Stephen Roy Barrow | 2013-07-30 |
| 8277786 | Odor controlled personal care compositions containing hydroxypropyl trialkylammonium salts | Lin Yang, Stephen Roy Barrow, Miguel Ortiz | 2012-10-02 |
| 5286405 | Polymer-thickened liquid abrasive cleaning compositions | George K. Rennie | 1994-02-15 |