Paper and Pulp
| Wed 01 Apr 2026
Beijing, April 1 -- Nantong Cigarette Filter has submitted a patent application for Paper Filter Stick and Preparation Method Thereof. This invention was developed by Wang Jian, Sun Qingjie, Lou Zhongyu, Tang Wei, Gao Xin, Song Junhan, Huang Yang, Ge Jingjing, Qin Changfeng and Lu Fei.
The patent application number is CN2025113..