Weiyuan Co., Ltd. has obtained a patent for pretreatment technology of raw materials for polycarbonate production. This technology can improve product quality and quality stability.
News on December 20, 2023, according to the announcement of the State Intellectual Property Office, Lihua Yiweiyuan Chemical Co., Ltd. obtained a project called “A system and method for pretreatment of raw materials for polycarbonate production” , authorization announcement number CN110577633B, application date is September 2019. The patent abstract shows that the invention discloses a…
