Patent Assignment
Reel/Frame 004893/0559
Assignment of Assignors Interest.
Recorded: 1988-05-04
Pages: 3
Assignee
MILLIPORE CORPORATION
ASHBY ROAD, A CORP. OF MASSACHUSETTS, BEDFORD, MASSACHUSETTS, 01730
Covered Property
(1)
Fluorocarbon Membranes and Process for Making Fluorocarbon Membranes
Patent:
4,902,456 →
Application:
07/190,285 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 17, 1994
From: MILLIPORE CORPORATION
To: MILLIPORE INVESTMENT HOLDINGS LTD.
Reel/Frame 006862/0716 →
Merger
Aug 6, 2001
From: MILLIPORE INVESTMENT HOLDINGS LIMITED
To: MILLIPORE CORPORATION
Reel/Frame 012025/0799 →
Assignment of Assignor's Interest
Sep 14, 2001
From: MILLIPORE CORPORATION
To: MYKROLIS CORPORATION
Reel/Frame 012134/0787 →
Merger
Apr 4, 2006
From: MYKROLIS CORPORATION
To: ENTEGRIS, INC.
Reel/Frame 017411/0626 →
Security Agreement
Mar 9, 2009
From: ENTEGRIS, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS AGENT
Reel/Frame 022354/0784 →
Release of Security Interest
Aug 17, 2011
From: WELLS FARGO BANK NATIONAL ASSOCIATION
To: ENTEGRIS, INC.
Reel/Frame 026764/0880 →