Issued Patents All Time
Showing 76–92 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5914289 | Supported metallocene-alumoxane catalysts for the preparation of polyethylene having a broad monomodal molecular weight distribution | — | 1999-06-22 |
| 5719241 | Process for producing polyolefins and polyolefin catalyst | Guy Debras | 1998-02-17 |
| 5589556 | Process and catalyst for producing crystalline polyolefins | — | 1996-12-31 |
| 5476914 | Syndiotactic polypropylene | John A. Ewen | 1995-12-19 |
| 5334677 | Process for producing syndiotactic polyolefins | John A. Ewen | 1994-08-02 |
| 5304523 | Process and catalyst for producing crystalline polyolefins | — | 1994-04-19 |
| 5292838 | Process and catalyst for producing syndiotactic polymers | — | 1994-03-08 |
| 5278265 | Process and catalyst for producing syndiotactic polymers | — | 1994-01-11 |
| 5243002 | Process and catalyst for producing syndiotactic polymers | — | 1993-09-07 |
| 5225500 | Process and catalyst for producing syndiotactic polyolefins | Michael J. Elder, John A. Ewen | 1993-07-06 |
| 5223468 | Process and catalyst for producing syndiotactic polymers | — | 1993-06-29 |
| 5223467 | Process and catalyst for producing syndiotactic polymers | — | 1993-06-29 |
| 5162278 | Non-bridged syndiospecific metallocene catalysts and polymerization process | — | 1992-11-10 |
| 5158920 | Process for producing stereospecific polymers | — | 1992-10-27 |
| 5155080 | Process and catalyst for producing syndiotactic polyolefins | Michael J. Elder, John A. Ewen | 1992-10-13 |
| 5117020 | Process for the preparation of metallocenes | — | 1992-05-26 |
| 4892851 | Process and catalyst for producing syndiotactic polyolefins | John A. Ewen | 1990-01-09 |