Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12004553 | Method for extracting tar aroma components from within cigarette butts and application thereof in cigarettes | Liqun Li, Jie Hao, Chen Chen, Junsong Zhang, Chunsheng Guo +7 more | 2024-06-11 |
| 11839232 | Method for preparing tar extract having aromatic characteristics by using discarded cigarette butt, and use thereof in cigarette | Liqun Li, Yajun Ye, Ying Chai, Junsong Zhang, Chen Chen +7 more | 2023-12-12 |