Issued Patents All Time
Showing 1–4 of 4 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 |
| 8889160 | Ophthalmic compositions with biguanide and PEG-glycerol esters | — | 2014-11-18 |
| 8501200 | Ophthalmic compositions with biguanide and PEG-glycerol esters | — | 2013-08-06 |