Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5561092 | Metallocene catalysts with lewis acids and aluminum alkyls | John A. Ewen | 1996-10-01 |
| 5519100 | Addition of aluminum alkyl for improved metallocene catalyst | John A. Ewen | 1996-05-21 |
| 5416228 | Process and catalyst for producing isotactic polyolefins | John A. Ewen | 1995-05-16 |
| 5395810 | Method of making a homogeneous-heterogenous catalyst system for olefin polymerization | Edwar S. Shamshoum, Baireddy R. Reddy, David Rauscher | 1995-03-07 |
| 5387568 | Preparation of metallocene catalysts for polymerization of olefins | John A. Ewen | 1995-02-07 |
| 5225500 | Process and catalyst for producing syndiotactic polyolefins | Abbas Razavi, John A. Ewen | 1993-07-06 |
| 5155080 | Process and catalyst for producing syndiotactic polyolefins | Abbas Razavi, John A. Ewen | 1992-10-13 |