IP Library › Assignment 069520/0672
Patent Assignment
Reel/Frame 069520/0672

Joint Ownership Acknowledgement

Recorded: 2024-12-05 Pages: 7
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 Property (1)
Non-Phthalate Donor for Polyolefin Catalysts
Application: 16/837,667 →
Publication: US 2020/0223958
Related Assignments (8)
Other recorded transfers of the patent in this record — the chain of ownership.
Nunc Pro Tunc Assignment Dec 5, 2024
From: NGUYEN, BINH THANH; MARIN, VLADIMIR P.; PATEL, MUSHTAQ AHMED
To: BASF CORPORATION
Reel/Frame 069500/0418 →
Assignment of Assignor's Interest Dec 5, 2024
From: FERNANDES, JONAS ALVES
To: BRASKEM AMERICA, INC.
Reel/Frame 069500/0640 →
Assignment of Assignor's Interest Dec 5, 2024
From: BRASKEM SA
To: BRASKEM AMERICA, INC.
Reel/Frame 069503/0391 →
Assignment of Assignor's Interest Dec 5, 2024
From: BRASKEM EUROPE GMBH
To: BRASKEM AMERICA, INC.
Reel/Frame 069503/0416 →
Assignment of Assignor's Interest Dec 5, 2024
From: BASF CORPORATION
To: W. R. GRACE & CO. - CONN.
Reel/Frame 069524/0044 →
Corrective Assignment to Correct the Property Type to U.S. Patent No. 11370854 Previously Recorded on Reel 69524 Frame 44. Assignor(S) Hereby Confirms the Assignment. Apr 10, 2025
From: BASF CORPORATION
To: W. R. GRACE & CO. - CONN.
Reel/Frame 070808/0352 →
Corrective Assignment to Correct the the Property Type from Application Number to Patent Number Previously Recorded at Reel: 69501 Frame: 56. Assignor(S) Hereby Confirms the Assignment. Apr 10, 2025
From: W. R. GRACE & CO.-CONN.
To: BRASKEM AMERICA, INC.; BRASKEM SA; BRASKEM EUROPE GMBH
Reel/Frame 070809/0359 →
Corrective Assignment to Correct the Property Type to U.S. Patent No. 11370854 Previously Recorded on Reel 69520 Frame 672. Assignor(S) Hereby Confirms the Joint Ownership Acknowledgement. Apr 10, 2025
From: W. R. GRACE & CO.-CONN.
To: BRASKEM AMERICA, INC.; BRASKEM SA; BRASKEM EUROPE GMBH
Reel/Frame 070809/0502 →