Patent Assignment
Reel/Frame 020533/0009
Assignment of Assignor's Interest
Recorded: 2008-02-20
Pages: 3
Assignor
LI, SHOUTIAN
Executed: 2007-11-08
Assignee
CABOT MICROELECTRONICS CORPORATION
870 NORTH COMMONS DRIVE, AURORA, ILLINOIS, 60504
Covered Property
(1)
Compositions and Methods for Ruthenium and Tantalum Barrier Cmp
Application:
11/937,804 →
Publication:
US 2009/0124173
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Notice of Security Interest in Patents
Feb 16, 2012
From: CABOT MICROELECTRONICS CORPORATION
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 027727/0275 →
Release of Security Interest
Nov 16, 2018
From: BANK OF AMERICA, N.A.
To: CABOT MICROELECTRONICS CORPORATION
Reel/Frame 047587/0119 →