Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4408025 | Process for polymerizing olefins | Randall S. Shipley, Ronald L. Gibbs | 1983-10-04 |
| 4399053 | High efficiency catalyst containing titanium, zirconium and zinc for polymerizing olefins | Randall S. Shipley, Donald F. Birkelbach | 1983-08-16 |
| 4379760 | High efficiency catalyst for polymerizing olefins | Randall S. Shipley, Ronald L. Gibbs | 1983-04-12 |
| 4356111 | High efficiency catalyst containing titanium and zirconium for polymerizing olefins | Randall S. Shipley | 1982-10-26 |
| 4323665 | High efficiency catalyst for polymerizing olefins | Donald F. Birkelbach, Randall S. Shipley | 1982-04-06 |
| 4321159 | Organo titanium chromium compound, catalyst prepared therefrom and polymerization of olefins therewith | Wilbur L. Bressler, Fred L. Vance, Jr. | 1982-03-23 |
| 4319011 | High efficiency, high temperature catalyst for polymerizing olefins | George W. Knight, James A. May, Jr. | 1982-03-09 |
| 4314912 | High efficiency, high temperature catalyst for polymerizing olefins | George W. Knight, James A. May, Jr. | 1982-02-09 |
| 4310648 | Polymerization of olefins in the presence of a catalyst containing titanium and zirconium | Randall S. Shipley | 1982-01-12 |
| 4308369 | High efficiency catalyst for polymerizing olefins | Randall S. Shipley, Donald F. Birkelbach | 1981-12-29 |
| 4285834 | Dual, independently supported catalyst mixtures | Fred L. Vance, Jr. | 1981-08-25 |
| 4263422 | Polymerization of olefins with dual, independently supported catalysts | Fred L. Vance, Jr. | 1981-04-21 |
| 4250288 | High efficiency, high temperature catalyst for polymerizing olefins | George W. Knight, James A. May, Jr. | 1981-02-10 |
| 4238355 | High efficiency catalyst for polymerizing olefins | Randall S. Shipley, Donald F. Birkelbach | 1980-12-09 |
| 4224186 | High efficiency catalyst for polymerizing olefins | Donald F. Birkelbach, Randall S. Shipley | 1980-09-23 |
| 4204050 | Polymerization of .alpha.-olefins with a dual transition metal catalyst | Wilbur L. Bressler, Fred L. Vance, Jr. | 1980-05-20 |