Patent Assignment
Reel/Frame 050294/0690
Assignment of Assignor's Interest
Recorded: 2019-09-06
Pages: 11
Assignor
W. R. GRACE & CO.-CONN.
Executed: 2019-02-28
Assignees
BRASKEM AMERICA, INC.
1735 MARKET STREET, 28TH FLOOR, PHILADELPHIA, PENNSYLVANIA, 19103
BRASKEM SA
RUA ETENO, 1561, POLO PETROQUIMICO DE CAMACARI, CAMACARI, BAHIA, CEP 42810-000, BRAZIL
BRASKEM EUROPE GMBH
AN DER WELLE 3, FRANKFURT AM MAIN, 60322, GERMANY
Covered Properties
(17)
Internal Donor for Olefin Polymerization Catalysts
PCT:
PCT/US2009/048579 ↗
Internal Donor Structure for Olefin Polymerization Catalysts and Methods of Making and Using Same
PCT:
PCT/US2012/069220 ↗
Catalyst Systems, Olefin Polymerization Catalyst Components Comprising at Least an Internal Electron Donor Compound, and Methods of Making and Using the Same
PCT:
PCT/US2015/068259 ↗
Electron Donor for Polyolefin Polymerization Catalysts and Uses Thereof
PCT:
PCT/US2016/046560 ↗
Boron-Based Electron Donors for Ziegler-Natta Catalyst Systems
PCT:
PCT/US2018/046538 ↗
Internal Donor for Olefin Polymerization Catalysts
Internal and External Donor Compounds for Olefin Polymerization Catalysts Iii
Internal Donor Structure for Olefin Polymerization Catalysts and Methods of Making and Using Same
Internal Donor Structure for Olefin Polymerization Catalysts and Methods of Making and Using Same
Solid Catalyst Components for Olefin Polymerization and Methods of Making and Using the Same
Combined Internal Donor System for Ziegler-Natta Polyolefin Catalysts and Methods of Making and Using Same
Catalyst Systems, Olefin Polymerization Catalyst Components Comprising at Least an Internal Electron Donor Compound, and Methods of Making and Using the Same
Internal Donor Structure for Olefin Polymerization Catalysts and Methods of Making and Using Same
Internal Donor Structure for Olefin Polymerization Catalysts and Methods of Making and Using Same
Boron-Based Electron Donors for Ziegler-Natta Catalyst Systems
Non-Phthalate Donor for Polyolefin Polymerization Catalysts and Uses Thereof
Application:
62/203,821 →
Boron-Based Electron Donors for Ziegler-Natta Catalyst Systems
Application:
62/545,272 →
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 1, 2008
From: CHANG, MAIN
To: BASF CATALYSTS LLC
Reel/Frame 021330/0043 →
Assignment of Assignor's Interest
Mar 1, 2010
From: CHANG, MAIN
To: BASF CATALYSTS LLC
Reel/Frame 024005/0405 →
Merger
Jul 7, 2011
From: BASF CATALYSTS LLC
To: BASF CORPORATION
Reel/Frame 026553/0352 →
Assignment of Assignor's Interest
Nov 30, 2011
From: CHANG, MAIN
To: BASF CORPORATION
Reel/Frame 027301/0691 →
Assignment of Assignor's Interest
Aug 12, 2014
From: MARIN, VLADIMIR P.; HINTOLAY, AHMED; CHANG, MAIN; O'REILLY, NEIL
To: BASF CORPORATION
Reel/Frame 033516/0518 →
Assignment of Assignor's Interest
Oct 3, 2014
From: NGUYEN, BINH T.; FERNANDES, JONAS ALVES
To: BASF CORPORATION
Reel/Frame 033882/0674 →
Assignment of Assignor's Interest
Nov 19, 2015
From: CHANG, MAIN
To: BASF CORPORATION
Reel/Frame 037090/0490 →
Assignment of Assignor's Interest
May 23, 2016
From: NGUYEN, BINH THANH; FERNANDES, JONAS ALVES
To: BASF CORPORATION
Reel/Frame 038678/0988 →
Assignment of Assignor's Interest
Oct 22, 2016
From: BASF CORPORATION
To: W. R. GRACE & CO. - CONN.
Reel/Frame 040255/0136 →
Assignment of Assignor's Interest
Nov 11, 2016
From: BASF CORPORATION
To: W. R. GRACE & CO. - CONN.
Reel/Frame 040283/0358 →
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: 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 050295/0922 →
Assignment of Assignor's Interest
Sep 6, 2019
From: BRASKEM EUROPE GMBH
To: BRASKEM AMERICA, INC.
Reel/Frame 050295/0665 →
Assignment of Assignor's Interest
Sep 6, 2019
From: BRASKEM SA
To: BRASKEM AMERICA, INC.
Reel/Frame 050295/0371 →
Notes Security Agreement
Sep 23, 2021
From: W. R. GRACE & CO.-CONN.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 057594/0156 →
Term Loan Security Agreement
Sep 23, 2021
From: W. R. GRACE & CO.-CONN.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 057594/0104 →
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 →
Assignment of Assignor's Interest
Feb 22, 2022
From: NGUYEN, BINH THANH
To: W.R. GRACE & CO.-CONN.
Reel/Frame 059063/0815 →
Security Interest
Apr 2, 2023
From: W. R. GRACE & CO.-CONN.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 063199/0472 →
Security Interest
Aug 19, 2025
From: W. R. GRACE & CO.-CONN.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 072519/0240 →
Security Interest
Aug 19, 2025
From: W. R. GRACE & CO.-CONN.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 072519/0265 →
Security Agreement (Notes)
Aug 19, 2025
From: W. R. GRACE & CO.-CONN.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 072520/0653 →
Notes Security Interest
Jan 29, 2026
From: W. R. GRACE & CO.-CONN.; ADVANCED REFINING TECHNOLOGIES LLC
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 074532/0229 →