Patent Assignment
Reel/Frame 006619/0385
Assignment of Assignor's Interest
Recorded: 1993-06-29
Pages: 4
Assignee
NOVAPURE CORPORATION
7 COMMERCE DRIVE, DANBURY, CONNECTICUT, 06810
Covered Property
(1)
Process and Composition for Purifying Semiconductor Process Gases to Remove Lewis Acid and Oxidant Impurities Therefrom
Patent:
5,385,689 →
Application:
08/084,414 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →