Petrochemicals
| Tue 06 Oct 2026
Alexandria, Oct. 5 -- U.S. Patent and Trademark Office has awarded a patent to China Petroleum & Chemical Corp, China Petroleum & Chem Corp and Sinopec Research Inst Of Safety Engineering Co Ltd for Flame Arrester Having Deformation Unit Assembly. Liu Di, Wang Peng, Bai Yongzhong, Ge Chuntao, Lin Yujie, Yu Anfeng, Bao Lei and Zh..