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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
9802848
Issue Dt:
10/31/2017
Application #:
13496872
Filing Dt:
03/16/2012
Publication #:
20120168375
Pub Dt:
07/05/2012
Inventors:
Hongke Zhang, Weiqi Hua, Pengyuan Zhang, Xiaogao Liu, Zhenhua Zhao, Shuchang Sun et al
Title:
METHOD FOR TREATING WASTE SALINE WATER PRODUCED IN PRODUCTION PROCESS OF DIPHENYLMETHANE DIISOCYANATE (MDI)
Assignment: 1
Reel/Frame:
027908/0240Recorded: 03/22/2012Pages: 8
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
ZHANG, HONGKE
Exec Dt:
03/07/2012
HUA, WEIQI
Exec Dt:
03/07/2012
LIU, XIAOGAO
Exec Dt:
03/07/2012
ZHAO, ZHENHUA
Exec Dt:
03/07/2012
SUN, SHUCHANG
Exec Dt:
03/07/2012
DING, JIANSHENG
Exec Dt:
03/07/2012
CHEN, JIANFENG
Exec Dt:
03/07/2012
ZHANG, PENGYUAN
Exec Dt:
03/07/2012
ZOU, HAIKUI
Exec Dt:
03/07/2012
CHU, GUANGWEN
Exec Dt:
03/07/2012
XU, LIMIN
Exec Dt:
03/07/2012
Assignees:
NINGBO WANHUA POLYURETHANES CO., LTD.
WANHUA INDUSTRIAL GARDEN, HUANDAO NORTH ROAD, DAXIE ECONOMIC DEVELOPMENT ZONE, NINGBO
ZHEJIANG, CHINA 315812
BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY
15, EAST ROAD, NORTH 3RD RING ROAD, CHAOYANG DISTRICT
BEIJING, CHINA 100029
Correspondent:
EDWARDS WILDMAN PALMER LLP
P.O. BOX 55874
BOSTON, MA 02205
Assignment: 2
Reel/Frame:
031836/0698Recorded: 12/18/2013Pages: 3
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
NINGBO WANHUA POLYURETHANES CO., LTD
Exec Dt:
08/06/2013
Assignee:
WANHUA CHEMICAL (NINGBO) CO., LTD.
WANHUA INDUSTRIAL GARDEN, HUANDAO NORTH ROAD, DAXIE ECONOMIC DEVELOPMENT ZONE, NINGBO
ZHEJIANG, CHINA 315812
Correspondent:
EDWARDS WILDMAN PALMER LLP
P.O. BOX 55874
BOSTON, MA 02205

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