Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970069 | Sulfonatocalixarene tanning agent for leather tanning and preparation method therefor | Jianzhong Ma, Yongxiang Zhou, Dangge Gao, Bin Lv | 2018-05-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970069 | Sulfonatocalixarene tanning agent for leather tanning and preparation method therefor | Jianzhong Ma, Yongxiang Zhou, Dangge Gao, Bin Lv | 2018-05-15 |