Patent Assignment
Reel/Frame 020053/0820
Assignment of Assignor's Interest
Recorded: 2007-11-01
Pages: 6
Assignor
WANG, ZHEN
Executed: 2007-05-25
Assignee
AMCOL INTERNATIONAL CORPORATION
ONE NORTH ARLINGTON, 1500 WEST SHURE DRIVE, ARLINGTON HEIGHTS, ILLINOIS, 60004
Covered Property
(1)
Method for Removing Mercury and/or Arsenic from Contaminated Water Using an Intimate Mixture of Organoclay and Elemental Sulfur
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.