Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7495048 | Heat sealable compositions and uses thereof | Linda M. Van den Bossche, Kenneth Lewtas | 2009-02-24 |
| 6111027 | Adhesives comprising copolymers of macromonomers and unsaturated acids or anhydrides | Pamela J. Wright, Dennis G. Peiffer, Kenneth Lewtas, Joseph Jacques Ripet, Anne Vera Macedo | 2000-08-29 |
| 5571867 | Hydrocarbon resins, processes for their manufacture and adhesive compositions containing such resins | Anne Vera Macedo, Richard J. F. Rydzkowski | 1996-11-05 |
| 4994516 | Petroleum resins and their production | — | 1991-02-19 |
| 4824921 | Petroleum resins and their production | — | 1989-04-25 |
| 4636555 | Petroleum resins and their production | Jacques Lechat, Morris L. Evans, Andre Lepert | 1987-01-13 |