IP Library › Assignment 023240/0619
Patent Assignment
Reel/Frame 023240/0619

Assignment of Assignor's Interest

Recorded: 2009-09-16 Pages: 3
Assignor
RYU, J. YONG
Executed: 2009-07-30
Assignee
CATALYTIC DISTILLATION TECHNOLOGIES
10100 BAY AREA BLVD., PASADENA, TEXAS, 77507
Covered Property (1)
Process for Producing Diphenyl Carbonate
Patent: 8,110,698 →
Application: 12/533,868 →
Publication: US 2010/0197952
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 27, 2011
From: CATALYTIC DISTILLATION TECHNOLOGIES
To: SHELL OIL COMPANY
Reel/Frame 026504/0715 →
Change of Name Mar 7, 2022
From: SHELL OIL COMPANY
To: SHELL USA, INC.
Reel/Frame 059694/0819 →