Issued Patents 2025
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398328 | Chemical recycling of processed mixed plastic waste streams | Bruce Roger DeBruin, David Eugene Slivensky, Xianchun Wu, Jaclyn Erin Shuman, Timothy Glenn Shaefer +3 more | 2025-08-26 |
| 12371625 | Processes and systems for making recycle content hydrocarbons through a propylene fractionator | Xianchun Wu, David Eugene Slivensky, Michael Gary Polasek | 2025-07-29 |
| 12338211 | Recycle content (C4)alkanal | David Eugene Slivensky, Kenny Randolph Parker, William Lewis Trapp, Michael Gary Polasek, Xianchun Wu | 2025-06-24 |
| 12326865 | Chemical recycling of plastic-derived streams to a cracker separation zone | David Eugene Slivensky, Xianchun Wu, Michael Paul Ekart, Bruce Roger DeBruin | 2025-06-10 |
| 12312540 | Pyrolysis method and system for recycled waste | Xianchun Wu, Kenny Randolph Parker, Michael Gary Polasek, David Eugene Slivensky, Carey Dan Ashcroft +1 more | 2025-05-27 |
| 12275895 | Chemical recycling of plastic-derived streams to a cracker separation zone with enhanced separation efficiency | David Eugene Slivensky, Xianchun Wu, Bruce Roger DeBruin, Damon Ray Billodeaux | 2025-04-15 |
| 12227710 | Processes and systems for formation of recycle-content hydrocarbon compositions | Michael Gary Polasek, David Eugene Slivensky, Xianchun Wu | 2025-02-18 |
| 12215283 | Optimized cracker conditions to accept pyrolysis oil | Kenny Randolph Parker, Michael Gary Polasek, David Eugene Sllivensky, Xianchun Wu, Jerome Leonard Stavinoha, Jr. | 2025-02-04 |
| 12195674 | Using spent caustic solution from pygas treatment to neutralize halogens from liquified waste plastic | Michael Gary Polasek, Xianchun Wu, David Eugene Slivensky | 2025-01-14 |