Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421331 | Systems and methods for chromium catalyst activation | Max P. McDaniel, Zhihui Gu, Ted H. Cymbaluk, Anand Ramanathan, Julian Abrego +3 more | 2025-09-23 |
| 12403454 | Methods of chromium catalyst activation to reduce gels and improve melt index potential | Max P. McDaniel, Zhihui Gu, Ted H. Cymbaluk, Anand Ramanathan, Julian Abrego +1 more | 2025-09-02 |
| 12325829 | Solid oxide and chemically-treated solid oxide catalysts for the pyrolysis of polyethylene | Max P. McDaniel, Kathy S. Clear | 2025-06-10 |
| 12152199 | Solid oxide and chemically-treated solid oxide catalysts for the pyrolysis of polyethylene | Max P. McDaniel, Kathy S. Clear | 2024-11-26 |
| 12091620 | Systems and processes for processing pyrolysis oil | Bruce D. Murray, Scott G. Morrison, Kenneth Fountain, Steven R. Horlacher, Vincent D. McGahee +1 more | 2024-09-17 |
| 11939542 | Systems and processes for processing pyrolysis oil | Bruce D. Murray, Scott G. Morrison, Kenneth Fountain, Steven R. Horlacher, Vincent D. McGahee +1 more | 2024-03-26 |
| 11920089 | Solid oxide and chemically-treated solid oxide catalysts for the pyrolysis of polyethylene | Max P. McDaniel, Kathy S. Clear | 2024-03-05 |
| 11802250 | Systems and processes for processing pyrolysis oil | Bruce D. Murray, Scott G. Morrison, Kenneth Fountain, Steven R. Horlacher, Vincent D. McGahee +1 more | 2023-10-31 |
| 9914676 | Selective hydrogenation using a flow index | Joseph Bergmeister, III, Tin-Tack Peter Cheung, Zongxuan Hong, Timothy O. Odi, Charles D. Nolidin +2 more | 2018-03-13 |
| 9758446 | Selective hydrogenation using a flow index | Joseph Bergmeister, III, Tin-Tack Peter Cheung, Zongxuan Hong, Timothy O. Odi, Charles D. Nolidin +2 more | 2017-09-12 |
| 9347139 | Methods of removing a protective layer | Dennis L. Holtermann, Tin-Tack Peter Cheung, Christopher D. Blessing, Lawrence E. Huff, Joseph Bergmeister, III +2 more | 2016-05-24 |
| 8535448 | Methods of removing a protective layer | Dennis L. Holtermann, Tin-Tack Peter Cheung, Christopher D. Blessing, Lawrence E. Huff, Joseph Bergmeister, III +2 more | 2013-09-17 |
| 6992035 | Metallocenes, polymerization catalyst systems, their preparation, and use | M. Bruce Welch, Syriac J. Palackal, Bryan E. Hauger, Alexander Koppl, Helmut G. Alt | 2006-01-31 |
| 6620776 | Detergent additive composition and processes therefore and therewith | Mitchell D. Refvik | 2003-09-16 |
| 6509427 | Metallocenes, polymerization catalyst systems, their preparation, and use | M. Bruce Welch, Syriac J. Palackal, Bryan E. Hauger, Alexander Koppl, Helmut G. Alt | 2003-01-21 |
| 6506721 | Detergent additive composition and processes therefore and therewith | Mitchell D. Refvik | 2003-01-14 |
| 6384161 | Method and catalyst system for producing polyolefins with broadened molecular weight distributions | M. Bruce Welch, Syriac J. Palackal, Bryan E. Hauger, David C. Rohlfing | 2002-05-07 |
| 6239060 | Supported metallocene catalyst system and method for polymerizing olefins | Bryan E. Hauger, M. Bruce Welch, Randall S. Muninger | 2001-05-29 |
| 6221981 | Method for making and using a supported metallcene catalyst system | Michael E. Jung, Helmut G. Alt, Bryan E. Hauger, M. Bruce Welch, Syriac J. Palackal +1 more | 2001-04-24 |
| 6187880 | Process for producing an olefin polymer using a metallocene | M. Bruce Welch, Syriac J. Palackal, Bryan E. Hauger, Alexander Koppl, Helmut G. Alt | 2001-02-13 |