Patent Assignment
Reel/Frame 048953/0446
Assignment of Assignor's Interest
Recorded: 2019-04-22
Pages: 3
Assignor
TONG, DAVID YOUDONG
Executed: 2016-05-06
Assignee
ECOLAB USA INC.
370 NORTH WABASHA STREET, ST. PAUL, MINNESOTA, 55102
Covered Property
(1)
Nitroxide Hydroxylamine and Phenylenediamine Combinations as Polymerization Inhibitors for Ethylenically Unsaturated Monomer Processes
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.