US Patent Issued to Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences on June 30 for "Polymer impurity removal method based on steam distillation" (Chinese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,795, issued on June 30, was assigned to Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences (Shanghai).

"Polymer impurity removal method based on steam distillation" was invented by Jiaolong Zhou (Shanghai), Zehao Zhao (Shanghai), Yong Tang (Shanghai), Xiuli Sun (Shanghai) and Jie Zhu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a method for depth removal of a volatile organic compound (VOC) in polymer resins and products thereof by means of a steam distillation method and apparatus thereof and significantly reducing the odor of the polymer resins and products thereof. The method provided i...