GENEVA, April 5 -- ZHEJIANG RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CO., LTD. (No.926, Xixi Avenue, Xihu DistrictHangzhou, Zhejiang 310023), 浙江省化工研究院有限公司 (中国浙江省杭州市西湖区西溪路926号), SINOCHEM LANTIAN CO., LTD. (Sinochem Building, No.96, Jiangnan Avenue, Binjiang DistrictHangzhou, Zhejiang 310051), 中化蓝天集团有限公司 (中国浙江省杭州市滨江区江南大道96号中化大厦) filed a patent applicat...