IP Library › Assignment 075416/0021
Patent Assignment
Reel/Frame 075416/0021

Assignment of Assignor's Interest

Recorded: 2026-04-20 Pages: 3
Assignor
Assignee
HUNAN YUANCHANG NEW MATERIAL TECHNOLOGY CO., LTD.
601, BUILDING 5, PHASE 1 FACTORY OF CENTRAL INTELLIGENCE VALLEY, NO. 189, SECTION 2, RENMIN EAST ROAD, CHANGSHA ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, CHANGSHA CITY, HUNAN PROVINCE, 410100, CHINA
Covered Property (1)
Graphene Oxide Purification Method and Graphene Oxide
Application: 16/086,012 →
Publication: US US20190100437A1
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 14, 2022
From: ZHANG, LINDE
To: HUBEI HIGHLAND GRAPHENE TECHNOLOGY CO., LTD.
Reel/Frame 059605/0413 →
Assignment of Assignor's Interest Aug 1, 2025
From: HUBEI HIGHLAND GRAPHENE TECHNOLOGY CO., LTD.
To: CARBON NANO ENGINEERING SYSTEMS CO., LTD.
Reel/Frame 071904/0322 →