Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688735 | Method for controlling the melting points and molecular weights of syndiotactic polyolefins using metallocene catalyst systems | John A. Ewen, B. Raghava Reddy | 1997-11-18 |
| 5663249 | Catalyst and process for polymerization of olefins | John A. Ewen | 1997-09-02 |
| 5614457 | Catalyst system using aluminum alkyl with ion-pair metallocene catalysts | John A. Ewen | 1997-03-25 |