IP Library › Assignment 057669/0795
Patent Assignment
Reel/Frame 057669/0795

Assignment of Assignor's Interest

Recorded: 2021-10-01 Pages: 3
Assignors
ZHANG, XUAN
Executed: 2021-09-29
CAO, DONGQING
Executed: 2021-09-29
Assignee
ARAMCO FAR EAST (BEIJING) BUSINESS SERVICES CO., LTD.
43/F, 45/F20-26, CHINA WORLD TOWER 3, NO.1 JIANGUOMENWAI AVENUE, BEIJING, 100004, CHINA
Covered Property (1)
Composition and Method of Making Cationic Surfactants with Two Quaternary Ammonium Head Groups
Application: 17/490,686 →
Publication: US 2023/0102729
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 1, 2021
From: HAN, MING; WANG, JINXUN
To: SAUDI ARABIAN OIL COMPANY
Reel/Frame 057684/0552 →
Assignment of Assignor's Interest May 27, 2022
From: ARAMCO FAR EAST (BEIJING) BUSINESS SERVICES CO., LTD.
To: SAUDI ARABIAN OIL COMPANY
Reel/Frame 060205/0594 →