Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9790453 | Dye polymer | Stephen Norman Batchelor, Sheng Meng, Jinfang Wang | 2017-10-17 |
| 9138600 | Oral care compositions comprising a polymeric dye | Stephen Norman Batchelor, Andrew Joiner, Sheng Meng, Carole Jane Philpotts, Jinfang Wang | 2015-09-22 |