Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9920070 | Spiro-oxazines, indolinones and preparation thereof | Biju Akkattu Thankappan, Tony Roy | 2018-03-20 |
| 9902746 | Benzoxaphosphole compounds and a process for preparation thereof | Akkattu Thankappan Biju, Trinadh Kaicharla | 2018-02-27 |
| 9617280 | Spiro-oxazines, indolinones and preparation thereof | Biju Akkattu Thankappan, Tony Roy | 2017-04-11 |
| 9206196 | Derivatives of benzoxazino quinoline, benzoxazino isoquinoline and processes for their preparation | Akkattu Thankappan Biju, Dhanasekaran Shanmugam | 2015-12-08 |