Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7699962 | Processes utilizing extractive distillation | Michael F. McDonald, Claude Gautier, Richard D. Hembree | 2010-04-20 |
| 6939933 | Process for polymerizing cationically polymerizable monomers | Robert N. Webb, David Yen-Lung Chung, Andrew B. Donnalley, Michael F. McDonald, Kenneth W. Powers | 2005-09-06 |
| 6620898 | Production of polyisobutylene copolymers | Robert N. Webb, Kenneth W. Powers, Michael F. McDonald | 2003-09-16 |
| 6444768 | Production of polyisobutylene copolymers | Robert N. Webb, Kenneth W. Powers, Michael F. McDonald | 2002-09-03 |
| 4780513 | Modified Lewis acid catalyzed polymerization | Kenneth W. Powers | 1988-10-25 |
| 4358560 | Stabilized slurries of isoolefin polymers | Kenneth W. Powers | 1982-11-09 |
| 4252710 | Stabilized slurries of isoolefin polymers | Kenneth W. Powers | 1981-02-24 |