国家/地区
IPC部 C（2）
IPC大类 C07（2）
IPC小类 C07D（2）
IPC C08G063/08（2）
发明人
公开年 2022（2）
申请年
专利权人

New substituted lactone used for producing polymer used as binder or coating for particles of electrochemically active material used in composition for electrolyte and electrode material of electrochemical cell for electrochemical accumulator and electrochromic device.

KOZELJ M, PARVOLE J

Pod-type degradable temporary plugging ball useful in temporary plugging treatment of oil and gas wells in fracturing system, comprises degradable outer shell (comprising e.g. polymerized product of glycolide, lactide, polybutylene succinate prepolymer) and inner core.

LI H, ZHANG Y, SHANG L, HUANG B, LIU J, WANG Y, YANG X, JIANG Q