IP Library Assignment 053742/0027
Patent Assignment
Reel/Frame 053742/0027

Assignment of Assignor's Interest

Recorded: 2020-09-11 Pages: 3
Assignors
ZHANG, XUAN
Executed: 2020-09-03
HOU, JIAN
Executed: 2020-09-03
Assignee
ARAMCO FAR EAST (BEIJING) BUSINESS SERVICES CO. LTD.
UNITS 01-25, 43F, CHINA WORLD TOWER, NO. 1 JIAN GUO MEN WAI AVENUE, CHAOYANG DISTRICT, BEIJING, 100004, CHINA
Covered Property (1)
Sulfonated Polymer
Application: 17/015,799 →
Publication: US 2022/0073662
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 11, 2020
From: HAN, MING; WANG, JINXUN
To: SAUDI ARABIAN OIL COMPANY
Reel/Frame 053741/0972 →
Assignment of Assignor's Interest Oct 14, 2020
From: ARAMCO FAR EAST (BEIJING) BUSINESS SERVICES CO. LTD.
To: SAUDI ARABIAN OIL COMPANY
Reel/Frame 054047/0332 →