Patent Assignment
Reel/Frame 059063/0815
Assignment of Assignor's Interest
Recorded: 2022-02-22
Pages: 4
Assignor
NGUYEN, BINH THANH
Executed: 2017-08-15
Assignee
W.R. GRACE & CO.-CONN.
7500 GRACE DRIVE, COLUMBIA, MARYLAND, 21044
Covered Properties
(2)
Boron-Based Electron Donors for Ziegler-Natta Catalyst Systems
Patent:
11,291,981 →
Application:
16/102,653 →
Publication:
US 2019/0046965
PCT:
PCT/US2018/046538 ↗
Boron-Based Electron Donors for Ziegler-Natta Catalyst Systems
Application:
62/545,272 →
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Security Interest
Apr 3, 2018
From: W. R. GRACE & CO.-CONN.
To: GOLDMAN SACHS BANK USA, AS COLLATERAL AGENT
Reel/Frame 045828/0683 →
Assignment of Assignor's Interest
Sep 6, 2019
From: W. R. GRACE & CO.-CONN.
To: BRASKEM AMERICA, INC.; BRASKEM SA; BRASKEM EUROPE GMBH
Reel/Frame 050294/0690 →
Assignment of Assignor's Interest
Sep 6, 2019
From: BRASKEM SA
To: BRASKEM AMERICA, INC.
Reel/Frame 050295/0009 →
Assignment of Assignor's Interest
Sep 6, 2019
From: BRASKEM EUROPE GMBH
To: BRASKEM AMERICA, INC.
Reel/Frame 050295/0665 →
Release of Security Interest
Sep 23, 2021
From: GOLDMAN SACHS BANK USA
To: W. R. GRACE & CO.-CONN.
Reel/Frame 057594/0026 →
Assignment of Assignor's Interest
Feb 22, 2022
From: FERNANDES, JONAS ALVES
To: BRASKEM AMERICA, INC.
Reel/Frame 059063/0863 →