Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9375401 | Ophthalmic compositions with alkoxylated natural waxes | Erning Xia | 2016-06-28 |
| 9279095 | Poly(nitrogen/amine) derivatives of a natural wax and ophthalmic compositions | Xiaojun Liu, Erning Xia | 2016-03-08 |