Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790918 | Transition metal catalysts containing bidentate ligands and method of using and preparing same | Sandor Nagy, Leonard V. Cribbs, Bradley P. Etherton, Ramesh Krishnamurti, John A. Tyrell | 2004-09-14 |
| 6759493 | Transition metal catalysts containing bidentate ligands and method of using and preparing same | Sandor Nagy, Leonard V. Cribbs, Bradley P. Etherton, Ramesh Krishnamurti, John A. Tyrell | 2004-07-06 |
| 6025407 | Photo-polymerization of vinyl chloride using metallocene catalysts | Sandor Nagy, Ramesh Krishnamurti, Walter Opalinski, Thomas F. Smolka | 2000-02-15 |
| 5773668 | Method of making trichloromethoxybenzene | Lawrence B. Fertel, Michael J. Fifolt, Walter Opalinski, William S. Derwin | 1998-06-30 |
| 5637660 | Polymerization of .alpha.-olefins with transition metal catalysts based on bidentate ligands containing pyridine or quinoline moiety | Sandor Nagy, Ramesh Krishnamurti, John A. Tyrell, Leonard V. Cribbs | 1997-06-10 |
| 5233054 | Process for the preparation of halophthalic anhydrides | David Y. Tang, Harry E. Buckholtz | 1993-08-03 |
| 5206391 | Process for the preparation of halophthalic anhydrides | Karl W. Seper, Edward Joseph Colman, David Y. Tang, Harry E. Buckholtz | 1993-04-27 |
| 5049682 | Process for the preparation of halophthalic anhydrides | David Y. Tang, Harry E. Buckholtz | 1991-09-17 |
| 4962206 | Process for the preparation of 4-bromophthalic anhydride | Willis T. Schwartz | 1990-10-09 |