Chemicals
| Tue 04 Aug 2026
Alexandria, Aug. 5 -- U.S. Patent and Trademark Office has awarded a patent to Univ Changsha Sci & Tech and Changsha University of Science and Technology for Pavement Coating Material and Preparation Method Thereof. Yin Hongwu, Ouyang Jian, Zhang Zhi, Li Dawei, Zheng Heqi, Gong Xiangbing, Qian Guoping, Huang Xue, Huang Peng and ..