Patent Assignment
Reel/Frame 009057/0861
Assignment of Assignor's Interest
Recorded: 1998-03-30
Pages: 3
Assignee
AMCOL INTERNATIONAL CORPORATION, A DELWARE CORPORATION
1500 WEST SHURE DRIVE, ONE NORTH ARLINGTON, ARLINGTON HEIGHTS, ILLINOIS, 60004
Covered Property
(1)
Solid Superabsorbent Material Containing a Poly(Vinylguanidine) and an Acidic Water-Absorbing Resin
Patent:
6,087,448 →
Application:
08/974,126 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.