Issued Patents All Time
Showing 51–75 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988783 | Ethylene polymerization using supported vanadium catalyst | Debra L. Beran, Kevin J. Cann, Robert J. Jorgensen, Norma J. Maraschin, Arthur E. Marcinkowsky | 1991-01-29 |
| 4988784 | Catalyst for regulating the molecular weight distribution of ethylene polymers | Sun-Chueh Kao | 1991-01-29 |
| 4983562 | High activity catalyst system for the production of propylene polymers | Kathleen D. Schramm | 1991-01-08 |
| 4942147 | Catalyst system containing an autoacceleration inhibitor | Kao Sun-Chueh, James Drage | 1990-07-17 |
| 4923938 | Catalyst for regulating the molecular weight distribution of ethylene polymers | Sun-Chueh Kao, Kevin J. Cann, Arthur E. Marcinkowsky, Mark G. Goode, Eugene H. Theobald | 1990-05-08 |
| 4918038 | Process for the production of polyethylene with a broad and/or bimodal molecular weight distribution | Sari-Beth Samuels | 1990-04-17 |
| 4892853 | Ethylene polymerization catalyst | Kevin J. Cann, Kiu H. Lee, Arthur E. Marcinkowsky | 1990-01-09 |
| 4886771 | Catalyst for regulating the molecular weight distribution of ethylene polymers | Sun-Chueh Kao | 1989-12-12 |
| 4861846 | Process for simultaneously dimerizing ethylene and copolymerizing ethylene with the dimerized product | Kevin J. Cann, Michael W. Chen | 1989-08-29 |
| 4845067 | Catalyst for regulating the molecular weight distribution of ethylene polymers | Sun-Chueh Kao, Kevin J. Cann, Arthur E. Marcinkowsky, Mark G. Goode, Eugene H. Theobald | 1989-07-04 |
| 4812432 | Ethylene polymerization catalyst | Mary T. Zoeckler | 1989-03-14 |
| 4810761 | Ethylene polymerization catalyst | Mary T. Zoeckler | 1989-03-07 |
| 4777315 | Process for trimerization | Isaac J. Levine | 1988-10-11 |
| 4755495 | Process for activation of titanium and vanadium catalysts useful in ethylene polymerization | Kevin J. Cann, David L. Miles | 1988-07-05 |
| 4719193 | Processes for preparing polyethylene catalysts by heating catalyst precursors | Isaac J. Levine | 1988-01-12 |
| 4684703 | Polymerization catalyst for ethylene homopolymerization | Burkhard E. Wagner, George L. Goeke, Robert J. Jorgensen, Nils Friis | 1987-08-04 |
| 4670526 | Process for activation of titanium and vanadium catalysts useful in ethylene polymerization | Kevin J. Cann, David L. Miles | 1987-06-02 |
| 4564660 | Use of alkylaluminum compounds and hydroxyl-containing compounds to initiate polymerization of ethylene with chromium oxide catalysts | Gary Harry Williams | 1986-01-14 |
| 4540758 | Polymerization of ethylene with supported .pi. allyl chromium complexes | Robert N. Johnson | 1985-09-10 |
| 4508842 | Ethylene polymerization using supported vanadium catalyst | Debra L. Beran, Kevin J. Cann, Robert J. Jorgensen, Norma J. Maraschin, Arthur E. Marcinkowsky | 1985-04-02 |
| 4482687 | Preparation of low-density ethylene copolymers in fluid bed reactor | Allen Noshay, Robert J. Jorgensen | 1984-11-13 |
| 4460755 | Direct conversion of a polymerization reaction catalyzed by a Ziegler-type catalyst into one catalyzed by a chromium-based catalyst | Gary Harry Williams | 1984-07-17 |
| 4427573 | Polymerization catalyst, process for preparing, and use for ethylene polymerization | David L. Miles, George L. Goeke | 1984-01-24 |
| 4395359 | Polymerization catalyst, process for preparing, and use for ethylene homopolymerization | Burkhard E. Wagner, George L. Goeke, Robert J. Jorgensen, Nils Friis | 1983-07-26 |
| 4390677 | Article molded from ethylene hydrocarbon copolymer | George L. Goeke, Burkhard E. Wagner, William A. Fraser, Robert J. Jorgensen, Nils Friis | 1983-06-28 |