Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9056821 | Promoter catalyst system with solvent purification | Umesh Krishna Hasyagar, Rathinam Jothi Mahalingam, Kishan Gurram | 2015-06-16 |
| 8735634 | Promoter catalyst system with solvent purification | Umesh Krishna Hasyagar, Rathinam Jothi Mahalingam, Kishan Gurram | 2014-05-27 |
| 5675044 | Process for recovery of bisphenol-A from thermoplastic polymer containing dihydric phenol units | Jos De Heer, Gabrie Hoogland, Srikanth Nanguneri, Gert De Wit | 1997-10-07 |