Beijing, May 29 -- HCP Packaging Shanghai has filed a patent application for spring-free cosmetic packaging container. This invention was developed by Hu Mingji. The patent application number is CN202210884144 20220726. The patent publication number is CN115072168 (A). International Patent Classification codes are B65D23/00 a..

Beijing, May 29 -- State Intellectual Property Office of China has received Univ Wenzhou Medical's patent application for gold nanostar prepared by adopting glutathione as growth template as well as preparation method and application of gold nanostar. Xing Tingyang, Wu Lijun and Ye Hao developed the invention. The patent appl..