Issued Patents All Time
Showing 25 most recent of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9593055 | Method for preparing linear alpha-olefins | Vugar O. Aliyev, Fuad Mosa, Mohammed H. Al-Hazmi, Ayed Al-Ayed, Sultan Eid Al-Otaibi +16 more | 2017-03-14 |
| 8569194 | Catalyst composition for polymerization of olefins, polymerization process using the same, and method for its preparation | Wei Xu, Atieh Abu-Ruqabah, Maneet Muktibodh, Bing Wang, Nicolaas Hendrika Friederichs | 2013-10-29 |
| 8420563 | Catalyst complex and process for producing multimodal molecular weight polyolefins | Atieh Aburaqabah, Helmut G. Alt, Christian Goerl | 2013-04-16 |
| 8324330 | Process for the preparation of a silylchromate catalyst | Srikant Hazra, Orass Hamed, Mohammed F. Al-Anazi | 2012-12-04 |
| 8304504 | Catalyst precursor for the production of olefins with an odd number of carbons atoms, process for its preparation and production method for such olefins | Marcus Seitz, Helmut G. Alt, Atieh Abu-Raqabah | 2012-11-06 |
| 7230128 | Organometallic fluorenyl compounds, preparations, and use | Helmut G. Alt, Konstantinos Patsidis, M. Bruce Welch, Rolf L. Geerts, Eric T. Hsieh +3 more | 2007-06-12 |
| 6992035 | Metallocenes, polymerization catalyst systems, their preparation, and use | M. Bruce Welch, Bryan E. Hauger, David W. Dockter, Alexander Koppl, Helmut G. Alt | 2006-01-31 |
| 6908876 | Supported metallocene catalyst system for olefin polymerization, method for making and using the same | Muhammad Atiqullah, Akhlaq Moman, Muhammad Naseem Akhtar, Atieh Abu-Raqabah, Muhammad A. Al-Saleh +3 more | 2005-06-21 |
| 6800581 | Catalyst composition for polymerization of olefins and process using the composition | John S. Ledford, Mansour Taftaf, Atieh Abu Raqabah, Akhlaq Moman, Orass Hamed +1 more | 2004-10-05 |
| 6524987 | Organometal catalyst compositions | Kathy S. Collins, Max P. McDaniel, Michael D. Jensen, Gil R. Hawley, Kenneth Farmer +4 more | 2003-02-25 |
| 6509427 | Metallocenes, polymerization catalyst systems, their preparation, and use | M. Bruce Welch, Bryan E. Hauger, David W. Dockter, Alexander Koppl, Helmut G. Alt | 2003-01-21 |
| 6420579 | Organometallic fluorenyl compounds, preparation, and use | Helmut G. Alt, Konstantinos Patsidis, M. Bruce Welch, Rolf L. Geerts, Eric T. Hsieh +3 more | 2002-07-16 |
| 6403734 | Organometallic fluorenyl compounds, preparation, and use | Helmut G. Alt, Konstantinos Patsidis, M. Bruce Welch, Rolf L. Geerts, Eric T. Hsieh +3 more | 2002-06-11 |
| 6384161 | Method and catalyst system for producing polyolefins with broadened molecular weight distributions | M. Bruce Welch, David W. Dockter, Bryan E. Hauger, David C. Rohlfing | 2002-05-07 |
| 6372930 | Polymeric ligands, polymeric metallocenes, catalyst systems, preparation, and use | Peter Schertl, Helmut G. Alt, M. Bruce Welch, Bernd Peifer | 2002-04-16 |
| 6355359 | Polyethylene film | Ashish M. Sukhadia, William R. Coutant, Jim D. Byers, Louis Moore, M. Bruce Welch +5 more | 2002-03-12 |
| 6353071 | Processes to produce organo-aluminoxane compositions | M. Bruce Welch, Rolf L. Geerts | 2002-03-05 |
| 6268453 | Polymerization catalyst systems, their preparation, and use | Alexander Koppl, Helmut G. Alt, M. Bruce Welch | 2001-07-31 |
| 6248840 | Process to produce a composition | Ashish M. Sukhadia, M. Bruce Welch, William M. Whitte, William R. Coutant | 2001-06-19 |
| 6239300 | Metallocene production process | Carleton E. Stouffer, Gary L. Glass, M. Bruce Welch, John D. Hottovy, Michael D. Jensen | 2001-05-29 |
| 6232415 | Process to produce a monovinylaromatic/ monoolefin polymer and said monovinylaromatic/monoolefin polymer | Iqbal Ahmed, Jianxin Kuang, George A. Moczygemba, M. Bruce Welch | 2001-05-15 |
| 6232414 | Process to make a monovinylaromatic polymer and said monovinylaromatic polymer | Iqbal Ahmed, M. Bruce Welch, Jianxin Kuang, George A. Moczygemba | 2001-05-15 |
| 6221981 | Method for making and using a supported metallcene catalyst system | Michael E. Jung, Helmut G. Alt, Bryan E. Hauger, M. Bruce Welch, David W. Dockter +1 more | 2001-04-24 |
| 6214469 | Films comprising metallocene catalyzed polyethylene | Ashish M. Sukhadia, David C. Rohlfing, Jay Janzen, Paul J. DesLauriers, Jim D. Byers +5 more | 2001-04-10 |
| 6187880 | Process for producing an olefin polymer using a metallocene | M. Bruce Welch, Bryan E. Hauger, David W. Dockter, Alexander Koppl, Helmut G. Alt | 2001-02-13 |