Patent Assignment
Reel/Frame 049778/0058
Assignment of Assignor's Interest
Recorded: 2019-07-17
Pages: 4
Assignee
MEADWESTVACO CORPORATION
501 SOUTH 5TH STREET, RICHMOND, VIRGINIA, 23219-0501
Covered Property
(1)
Compounds and Method for Enhanced Oil Recovery Using Sulfur Surfactants
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 16, 2019
From: YANG, CHAO
To: INGEVITY SOUTH CAROLINA, LLC
Reel/Frame 049762/0690 →
Assignment of Assignor's Interest
Jul 17, 2019
From: MEADWESTVACO CORPORATION
To: INGEVITY SOUTH CAROLINA, LLC
Reel/Frame 049778/0350 →
Second Supplemental Security Agreement
Oct 28, 2020
From: INGEVITY SOUTH CAROLINA, LLC
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 054417/0821 →
Assignment of Assignor's Interest
Jan 29, 2026
From: INGEVITY SOUTH CAROLINA, LLC
To: MAINSTREAM PINE PRODUCTS, LLC
Reel/Frame 073626/0470 →