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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
NONE
Issue Dt:
Application #:
11478004
Filing Dt:
06/29/2006
Publication #:
Pub Dt:
09/11/2008
Inventors:
Benjamin Bayer, Zhan Chen, Jeffrey P. Chamberlain, Robert Vacassy
Title:
Silicon oxide polishing method utilizing colloidal silica
Assignment: 1
Reel/Frame:
019363/0269Recorded: 05/31/2007Pages: 6
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
09/05/2006
Exec Dt:
02/13/2007
Exec Dt:
10/10/2006
Exec Dt:
05/31/2007
Assignee:
870 NORTH COMMONS DRIVE
AURORA, ILLINOIS 60504
Correspondent:
STEVEN WESEMAN
CABOT MICROELECTRONICS CORPORATION
870 NORTH COMMONS DRIVE
AURORA, IL 60504
Assignment: 2
Reel/Frame:
027727/0275Recorded: 02/16/2012Pages: 51
Conveyance:
NOTICE OF SECURITY INTEREST IN PATENTS
Assignor:
Exec Dt:
02/13/2012
Assignee:
135 S. LASALLE STREET
IL4-135-05-41
CHICAGO, ILLINOIS 60603
Correspondent:
TERRY L. WITCHER, PARALEGAL
201 N. TRYON STREET, SUITE 3000
MCGUIREWOODS LLP
CHARLOTTE, NC 28202
Assignment: 3
Reel/Frame:
047587/0119Recorded: 11/16/2018Pages: 72
Conveyance:
RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/15/2018
Assignee:
870 NORTH COMMON DRIVE
AURORA, ILLINOIS 60504
Correspondent:
CT CORPORATION
4400 EASTON COMMONS WAY
SUITE 125
COLUMBUS, OH 43219

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