Patent Assignment
Reel/Frame 004872/0764
Assignment of Assignors Interest.
Recorded: 1988-03-17
Pages: 2
Assignee
ADVANCED TECHNOLOGY MATERIALS, INC., A CORP. OF CT
520-B DANBURY ROAD, NEW MILFORD, CONNECTICUT, 06776
Covered Property
(1)
Process, Composition, and Apparatus for Purifying Inert Gases to Remove Lewis Acid and Oxidant Impurities Therefrom
Patent:
4,950,419 →
Application:
07/169,400 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Oct 9, 1991
From: ADVANCED TECHNOLOGY MATERIALS, INC.
To: NOVAPURE CORPORATION
Reel/Frame 005866/0631 →
Assignment of Assignor's Interest
Nov 18, 1994
From: NOVAPURE CORPORATION
To: MILLIPORE INVESTMENT HOLDINGS LIMITED 1013 CENTRE ROAD, SUITE 350
Reel/Frame 007203/0273 →
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 →