国家/地区 中国（4）
IPC部 B（4）
IPC大类 C08（4）
IPC小类 C08G（4）
IPC
发明人 ZHANG Y（4）
公开年 2022（4）
申请年 2021（3） 
专利权人

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

Plastic hydrolysis using binuclear metal complex catalyst, comprises carrying out plastic hydrolysis reaction in alkaline aqueous solution in presence of binuclear metal complex as catalyst to obtain monomer.

HU Q, ZHANG Y, ZHANG S, NIU Z

Preparing a graphene oleophilic hydrophobic material useful in field of oil-water separation comprises e.g. adding polyether polyol, amine catalyst, tin catalyst, foam stabilizer and graphene oxide modifier into reaction barrel, uniformly mixing and stirring, reacting and curing.

JIN X, ZHOU L, HOU Y, DING Q, TENG D, ZHANG X, ZHANG Y, ZHANG L, WANG S, ZHOU B

Preparing graphene hot compress material used in manufacturing eye massager, involves taking graphite oxide and tributyl ethyl phosphine bis (trifluoromethanesulfonyl) imide as raw materials, and carrying out hydrothermal reaction.

XIAO D, ZHANG Y, YE X, XIAO Y, ZHAN C, ZHOU X, ZHOU H, ZHENG J, PENG F