INTERNATIONAL PATENT: PETROCHINA COMPANY LIMITED, 中国石油天然气股份有限公司 FILES APPLICATION FOR "PERFLUOROALKYL-SUBSTITUTED ALLYL QUATERNARY AMMONIUM SALT AND PREPARATION METHOD THEREFOR, COPOLYMER AS WELL AS PREPARATION METHOD THEREFOR AND USE THEREOF AND WASTEWATER TREATMENT METHOD"

GENEVA, April 5 -- PETROCHINA COMPANY LIMITED (9 Dongzhimen North StreetDongcheng District, Beijing 100007), 中国石油天然气股份有限公司 (中国北京市东城区东直门北大街9号) filed a patent application (PCT/CN2024/071296) for "PERFLUOROALKYL-SUBSTITUTED ALLYL QUATERNARY AMMONIUM SALT AND PREPARATION METHOD THEREFOR, COPOLYMER AS WELL AS PREPARATION METHOD THEREFOR AND USE THEREOF, AND WASTEWATER TREATMENT METHOD" on Jan 09, 2024. With publication no. WO/2025/065965, the details related to the patent application was published on Apr 03, 2025.

Notably, the patent application was su...