Patent Assignment
Reel/Frame 023792/0454
Change of Name
Recorded: 2010-01-15
Pages: 4
Assignor
NEW TIANJIN T.& D. CO. LTD.
Executed: 2009-11-22
Assignee
BEIJING HUAI YING MALEIC ANHYDRIDE SCIENCE AND TECHNOLOGY CO., LTD.
ROOM 615, ZHUCHENG PLAZA, NO. 6A ZHONGGUANCUN, SOUTH STREET, HAIDAN DISTRICT, BEIJING 100086, CHINA
Covered Property
(1)
V-P-Si Composite Oxide Catalyst Precursor Used for Producing Maleic Anhydride from Butance
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 15, 2006
From: LAN, RENSHUI
To: NEW TIANJIN T.&D. CO., LTD.
Reel/Frame 018202/0266 →
Corrective Assignment to Correct the Assignment Inadvertent Recorded in Application No. 11/543807 Previously Recorded on Reel 018202 Frame 0266. Assignor(S) Hereby Confirms the Assignment Is to Be Recorded in Application No. 10/543807 as the First Assignment in This Application.
Aug 30, 2012
From: LAN, RENSHUI
To: NEW TIANJIN T. & D. CO., LTD.
Reel/Frame 028885/0113 →