Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649558 | Bis-phosphinimine catalyst | Xiaoliang Gao, Daryll G. Harrison, Ian McKay, Linda Koch, Qinyan Wang +3 more | 2003-11-18 |
| 6642313 | Multimodal polyolefin pipe | Alexei Kazakov, Christopher John Brooke Dobbin, Stanley Allan Grabow | 2003-11-04 |
| 6486276 | Process to prepare ethylene propylene elastomer | Qinyan Wang | 2002-11-26 |
| 6440890 | Hydrocarbyl phosphinimine/cyclopentadienyl complexes of group IV metals and preparation thereof | Rupert Edward von Haken Spence, Ryan Wurz, Dusan Jeremic, Douglas W. Stephan | 2002-08-27 |
| 6420300 | Catalyst having a ketimide ligand | John McMeeking, Xiaoliang Gao, Rupert Edward von Haken Spence, Dusan Jeremic | 2002-07-16 |
| 6372864 | Dual reactor polyethylene process using a phosphinimine catalyst | — | 2002-04-16 |
| 6355744 | Cyclopentadienyl/phosphinimine catalyst with one and only one activatable ligand | Rupert Edward von Haken Spence, Douglas W. Stephan, Dusan Jeremic, Qinyan Wang | 2002-03-12 |
| 6342463 | Polymerization catalyst having a phosphinimine ligand | Douglas W. Stephan, Jeff C. Stewart, John William Swabey, Qinyan Wang | 2002-01-29 |
| 6277931 | Dual reactor ethylene polymerization process | Isam Jaber | 2001-08-21 |
| 6239238 | Bis-phosphinimine catalyst | Xiaoliang Gao, Daryll G. Harrison, Ian McKay, Linda Koch, Qinyan Wang +3 more | 2001-05-29 |
| 6234950 | Nitrogen substituted phosphinimine ligand | Rupert Edward von Haken Spence, Linda Koch, Dusan Jeremic | 2001-05-22 |
| 6221985 | Solution polymerization of ethylene | Xiaoliang Gao, Qinyan Wang, Rupert Edward von Haken Spence, Peter Zoricak | 2001-04-24 |
| 6180730 | Catalyst deactivation | Fazle Sibtain, Antonio Pietro Nicola, Linda Jean Santry | 2001-01-30 |
| 6147172 | Phosphinimine/heteroatom catalyst component | Xiaoliang Gao, Qinyan Wang, Peter Zoricak, Rupert Edward von Haken Spence, Wei Xu | 2000-11-14 |
| 6124487 | Olefin polymerization catalyst having a bridged phosphole-heteroatom ligand | Rupert Spence, Xiaoliang Gao, Linda Koch, Daryll G. Harrison | 2000-09-26 |
| 6114481 | Catalyst having a ketimide ligand | John McMeeking, Xiaoliang Gao, Rupert Edward von Haken Spence, Dusan Jeremic | 2000-09-05 |
| 6084042 | Mixed titanium-vanadium catalysts for solution ethylene polymerization | Isam Jaber | 2000-07-04 |
| 6063879 | High temperature solution polymerization process with phosphinimine cyclopentadienyl metal (GRP IV) complex | Douglas W. Stephan, Jeff C. Stewart, John William Swabey, Qinyan Wang | 2000-05-16 |
| 6051667 | Olefin polymerization using a catalyst having a bridged cyclopentadienyl-phosphole ligand | Rupert Edward von Haken Spence, Xiaoliang Gao, Linda Koch, Daryll G. Harrison, Qinyan Wang | 2000-04-18 |
| 5589555 | Control of a solution process for polymerization of ethylene | Vaclav G. Zboril | 1996-12-31 |
| 5519098 | Activation of catalyst in ethylene polymerization at high temperatures | Reginald K. Ungar, Vaclav G. Zboril | 1996-05-21 |
| 4780559 | Process for preparing organic fluorides | James Hanley Clark | 1988-10-25 |