Patent Assignment
Reel/Frame 022124/0072
Corrective Assignment to Correct the Assignor's Name from Limin Zu to Limin Xu and Also Correct Assignee's Name and Address Previously Recorded on Reel 021831 Frame 0847. Assignor(S) Hereby Confirms the Assignment of Assignor's Interest.
Recorded: 2009-01-19
Pages: 9
Assignors
DING, JIANSHENG
Executed: 2007-09-19
CHEN, JIANFENG
Executed: 2007-09-18
ZHANG, HONGKE
Executed: 2007-09-21
ZOU, HAIKUI
Executed: 2007-09-18
HUA, WEIQI
Executed: 2007-09-21
ZHANG, PENGYUAN
Executed: 2007-09-18
SUN, SHUCHANG
Executed: 2007-09-18
CHU, GUANGWEN
Executed: 2007-09-18
XU, LIMIN
Executed: 2007-09-18
Assignee
NINGBO WANHUA POLYURETHANES CO., LTD
WANHUA INDUSTRIAL PARK, NO. 39 HUANDAO NORTH ROAD, DAXIE DEVELOPMENT ZONE, NINGBO, ZHEJIANG 315812 P.R., CHINA
Covered Property
(1)
Method of Preparing Polymethylene-Polyphenyl-Polyamine
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 10, 2008
From: DING, JIANSHENG; CHEN, JIANFENG; ZHANG, HONGKE; ZOU, HAIKUI
To: NIGBO WANHUA POLYURETHANES CO., LTD.
Reel/Frame 021831/0847 →
Corrective Assignment to Correct the Assignee Information by Adding Missing Second Assignee Previously Recorded on Reel 022124 Frame 0072. Assignor(S) Hereby Confirms the Assignment of Assignor's Interest.
Apr 2, 2010
From: DING, JIANSHENG; CHEN, JIANFENG; ZHANG, HONGKE; ZOU, HAIKUI
To: NINGBO WANHUA POLYURETHANES CO., LTD.; BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
Reel/Frame 024180/0453 →
Change of Name
Jan 6, 2014
From: NINGBO WANHUA POLYURETHANES CO., LTD.
To: WANHUA CHEMICAL (NINGBO) CO., LTD.
Reel/Frame 031924/0076 →