Issued Patents All Time
Showing 1–25 of 157 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415958 | Process for stable blend of waste plastic with petroleum feed for feeding to oil refinery units and process of preparing same | Joel E. Schmidt, Tengfei Liu | 2025-09-16 |
| 12404458 | Process for stable blend of waste plastic with petroleum feed for feeding to oil refinery units and process of preparing same | Joel E. Schmidt, Tengfei Liu | 2025-09-02 |
| 12359135 | Circular economy for plastic waste to polypropylene and base oil via refinery hydrocracking unit | — | 2025-07-15 |
| 12319877 | Circular economy for plastic waste to polypropylene and lubricating oil via refinery FCC and isomerization dewaxing units | — | 2025-06-03 |
| 12281054 | Process for the production of renewable distillate-range hydrocarbons | Bong-Kyu Chang, Michelle K. Young | 2025-04-22 |
| 12258302 | Ionic liquid alkylation of isobutane with ethylene to produce alkylate | Bong-Kyu Chang, Huping Luo | 2025-03-25 |
| 12215036 | Amorphous silica-alumina composition and method for making the same | Kandaswamy Jothimurugesan | 2025-02-04 |
| 12043589 | Process for the production of renewable distillate-range hydrocarbons | Bong-Kyu Chang, Michelle K. Young | 2024-07-23 |
| 11964926 | Ionic liquid alkylation of isobutane with ethylene to produce alkylate | Bong-Kyu Chang, Huping Luo | 2024-04-23 |
| 11959025 | Circular economy for plastic waste to polypropylene and lubricating oil via refinery FCC and isomerization dewaxing units | — | 2024-04-16 |
| 11939527 | Circular economy for plastic waste to polyethylene via refinery FCC feed pretreater and FCC units | Cameron McCord | 2024-03-26 |
| 11905466 | Circular economy for plastic waste to polyethylene via refinery FCC and alkylation units | — | 2024-02-20 |
| 11884885 | Co-processing of waste plastic pyrolysis oils and biorenewable feedstocks | Tengfei Liu, Joel E. Schmidt, Richard Grove | 2024-01-30 |
| 11787701 | Amorphous silica-alumina composition and method for making the same | Kandaswamy Jothimurugesan | 2023-10-17 |
| 11753355 | Base oil synthesis via ionic catalyst oligomerization and waterless separation of the oligomerization catalyst | Howard Steven Lacheen | 2023-09-12 |
| 11739272 | Circular economy for plastic waste to polyethylene and lubricating oil via crude and isomerization dewaxing units | — | 2023-08-29 |
| 11732197 | Circular economy for plastic waste to polyethylene and chemicals via refinery crude unit | — | 2023-08-22 |
| 11724972 | Combined process for alkylation of light olefins using ionic liquid catalysts | Matthew C. Cole, Dominic P. Weber, Rajeswar Gattupalli, Huping Luo, Bong-Kyu Chang +1 more | 2023-08-15 |
| 11643373 | Integrated reactor for ionic liquid alkylation using bio-ethylene feedstock | Huping Luo, Bong-Kyu Chang | 2023-05-09 |
| 11643374 | Ionic liquid alkylation of isobutane with bio-ethylene to produce alkylate | Bong-Kyu Chang, Michelle K. Young, Cong-Yan Chen, Stephen J. Miller | 2023-05-09 |
| 11639472 | Circular economy for plastic waste to polyethylene via oil refinery with filtering and metal oxide treatment of pyrolysis oil | — | 2023-05-02 |
| 11639320 | Process for the production of renewable distillate-range hydrocarbons | Bong-Kyu Chang, Michelle K. Young | 2023-05-02 |
| 11621059 | Method for on-line prediction of conjunct polymer concentration in a hydrocarbon conversion process | Toni Zhang Miao, Huping Luo, Eddy Lee, Bong-Kyu Chang | 2023-04-04 |
| 11584890 | Circular economy for plastic waste to polypropylene via refinery FCC unit | — | 2023-02-21 |
| 11566182 | Circular economy for plastic waste to polyethylene via refinery FCC feed pretreater and FCC units | Cameron McCord | 2023-01-31 |