IP Library › Assignment 018730/0319
Patent Assignment
Reel/Frame 018730/0319

Assignment of Assignor's Interest

Recorded: 2007-01-05 Pages: 3
Assignor
Assignee
SIGMA-ALDRICH CO.
3050 SPRUCE ST., ST. LOUIS, MISSOURI, 63103
Covered Property (1)
High Stability Diionic Liquid Salts
Patent: 8,182,581 →
Application: 11/187,389 →
Publication: US 2006/0025598
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 11, 2005
From: ARMSTRONG, DANIEL W.; ANDERSON, JARED
To: ADVANCED SEPARATION TECHNOLOGIES INC.
Reel/Frame 016875/0209 →
Merger Jul 6, 2011
From: SIGMA-ALDRICH CO.
To: SIGMA-ALDRICH CO. NEWCO INC.
Reel/Frame 026551/0161 →
Change of Name Jul 6, 2011
From: SIGMA-ALDRICH CO. NEWCO INC.
To: SIGMA-ALDRICH CO. LLC
Reel/Frame 026552/0245 →