Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174347 | Phthalimidine copolycarbonate optical articles, articles formed therefrom, and methods of manufacture | Paul Dean Sybert, Wei Zhao, Mark Adrianus Johannes van der Mee, Jaykisor Pal, Jordi Calveras +1 more | 2021-11-16 |
| 10662154 | Methods of manufacture of 2-aryl-3,3-bis(4-hydroxyaryl)phthalimidines, and polymers derived therefrom | Shivakumar Konda, Gaurav Mediratta | 2020-05-26 |
| 9340502 | Methods for producing and purifying 2-aryl-3,3-bis(4-hydroxyaryl)phthalimidine compounds, the purified monomers, and polymers derived therefrom | Venkata Rama Narayanan Ganapathy Bhotla, Balakrishnan Ganesan, Kishan Gurram, Salkod Parameshwar Mallika, Arun Kumar | 2016-05-17 |
| 9102597 | Indane bisphenols, polymers derived therefrom, and methods of use thereof | Laura G. Schultz Hume, Ganapathy Bhotla Venkata Ramanarayanan | 2015-08-11 |
| 8507699 | Bisphenol polymer structural units and method of making the same | Venkata Ramanarayanan Ganapathy Bhotla, Jean-Francois Morizur | 2013-08-13 |