Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9518017 | Purification of intermediates used in the preparation of heterobifunctional linkers | — | 2016-12-13 |
| 9498541 | Cross-linkers and their uses | Ravi V. J. Chari, Robert Yongxin Zhao, Yelena Kovtun, Rajeeva Singh | 2016-11-22 |
| 9469655 | Methods for the acylation of maytansinol | Robert Yongxin Zhao | 2016-10-18 |
| 9289512 | Maytansinoid derivatives with peptide linker and conjugates thereof | — | 2016-03-22 |