Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7381786 | Methods of polymer preparation using polycyclic dihydroxy compounds | Jan-Pleun Lens, James A. Mahood, Arakali Srinivasarao Radhakrishna, T. Tilak Raj, Ravindra Vikram Singh | 2008-06-03 |
| 7326763 | Polymers, polymer compositions and method of preparation | Jan-Pleun Lens, James A. Mahood, Radhakrishna Arakali Srinivasarao, T. Tilak Raj, Ravindra Vikram Singh | 2008-02-05 |
| 7208620 | Polycyclic dihydroxy compounds and methods for preparation | Jan-Pleun Lens, A. Radhakrishna, T. Tilak Raj, Ravindra Vikram Singh | 2007-04-24 |
| 7122613 | Method for the production of polycarbonates | Rudy Francois Alain Jos Peemans, Eugène Theodorus Wilhelmus Maria Schipper, Hendricus Franciscus Zirkzee | 2006-10-17 |
| 7115700 | Method of polycarbonate preparation | James Anthony Cella, Jan-Pleun Lens, Kathryn Lynn Longley, Patrick Joseph McCloskey, Narayan Ramesh +3 more | 2006-10-03 |
| 7057004 | Process for the production of copolycarbonates with reduced color | Jan-Pleun Lens | 2006-06-06 |
| 7034099 | Process for the production of copolycarbonates with reduced color | Jan-Pleun Lens | 2006-04-25 |
| 6870025 | Method of polycarbonate preparation | Patrick Joseph McCloskey, Jan-Pleun Lens, James Anthony Cella, Kathryn Lynn Longley, Narayan Ramesh +3 more | 2005-03-22 |
| 6657038 | Method for making copolycarbonates | Jan-Pleun Lens | 2003-12-02 |
| 6504002 | Process for the production of branched melt polycarbonate by late addition of fries-inducing catalyst | Dennis Karlik, Hans-Peter Brack, Hendrik Verhoogt, John Patrick Lemmon, Willem L. Sederel +1 more | 2003-01-07 |