Patent Assignment
Reel/Frame 051185/0915
Assignment of Assignor's Interest
Recorded: 2019-12-04
Pages: 11
Assignors
GENG, XIANGFEI
Executed: 2019-11-06
DING, BIN
Executed: 2019-11-06
LUO, JIANHUI
Executed: 2019-11-06
HUANG, BO
Executed: 2019-11-06
XIE, JIANYONG
Executed: 2019-11-06
WANG, PINGMEI
Executed: 2019-11-06
PENG, YONGCAN
Executed: 2019-11-06
PENG, BAOLIANG
Executed: 2019-11-06
Assignee
PETROCHINA COMPANY LIMITED
9 DONGZHIMEN NORTH STREET, DONGCHENG DISTRICT, BEIJING, CHINA
Covered Property
(1)
Nonionic Gemini Surfactant of (Octylphenol Polyoxyethylene Ether Disubstituted) Dicarboxylic Acid Diphenyl Ether and Its Synthesis Method