| 11787776 |
Method for producing an aromatic dianhydride |
Robert Werling, Simon Padmanabhan, Bradley A. Osborne, Christopher Poirier |
2023-10-17 |
| 11661416 |
Method for isolation of a dianhydride and dianhydrides prepared by the method |
Sivakumar Periyasamy, Ravi Gautam, Jorge Jimenez Umana, Gregory L. Hemmer, Robert Werling +1 more |
2023-05-30 |
| 10676571 |
Polyetherimides with improved melt stability |
Hao Zhou, Manojkumar Chellamuthu |
2020-06-09 |
| 10407397 |
Method for isolation of a dianhydride and dianhydrides prepared by the method |
Robert Werling, Jorge Jimenez, Norman Johnson |
2019-09-10 |
| 9139695 |
Polyetherimide resins with very low levels of residual contamination |
Daniel Francis Lowery, Jamuna Chakravarti |
2015-09-22 |
| 8535792 |
Polyetherimide resins with very low levels of residual contamination |
Daniel Francis Lowery, Jamuna Chakravarti |
2013-09-17 |