IP Library Assignment 023858/0301
Patent Assignment
Reel/Frame 023858/0301

Assignment of Assignor's Interest

Recorded: 2010-01-27 Pages: 4
Assignor
CHANG, MAIN
Executed: 2010-01-22
Assignee
BASF CATALYSTS LLC
100 CAMPUS DRIVE, FLORHAM PARK, NEW JERSEY, 07932
Covered Property (1)
Internal and External Donor Compounds for Olefin Polymerization Catalysts
Patent: 8,211,819 →
Application: 12/655,007 →
Publication: US 2011/0152481
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 18, 2012
From: BASF CATALYSTS LLC
To: BASF CORPORATION
Reel/Frame 028230/0337 →
Assignment of Assignor's Interest Oct 22, 2016
From: BASF CORPORATION
To: W. R. GRACE & CO. - CONN.
Reel/Frame 040255/0136 →
Security Interest Apr 3, 2018
From: W. R. GRACE & CO.-CONN.
To: GOLDMAN SACHS BANK USA, AS COLLATERAL AGENT
Reel/Frame 045828/0683 →
Release of Security Interest Sep 23, 2021
From: GOLDMAN SACHS BANK USA
To: W. R. GRACE & CO.-CONN.
Reel/Frame 057594/0026 →