IP Library › Assignment 031764/0228
Patent Assignment
Reel/Frame 031764/0228

Change of Name

Recorded: 2013-12-04 Pages: 3
Assignor
Assignee
WANHUA CHEMICAL (NINGBO) CO., LTD.
WANHUA INDUSTRIAL GARDEN, HUANDAO NORTH ROAD, DAXIE ECONOMIC DEVELOPMENT ZONE, NINGBO, ZHEJIANG, 315812, CHINA
Covered Property (1)
Method for Intermittently Producing 4,4'-Diaminodicyclohexylmethane with a Low Amount of the Trans-Trans Isomer
Patent: 8,759,591 →
Application: 13/517,195 →
Publication: US 2012/0323041
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 19, 2012
From: HU, SHUANG; CHEN, HAO; NI, ZILIN; QI, WANGSHUN
To: YANTAI WANHUA POLYURETHANES CO., LTD.; NINGBO WANHUA POLYURETHANES CO., LTD.
Reel/Frame 028403/0645 →
Change of Name Jun 17, 2013
From: YANTAI WANHUA POLYRETHANES CO., LTD.
To: WANHUA CHEMICAL GROUP CO., LTD.
Reel/Frame 030629/0371 →