IP Library Assignment 017229/0056
Patent Assignment
Reel/Frame 017229/0056

Assignment of Assignor's Interest

Recorded: 2005-11-17 Pages: 2
Assignors
RYU, J. YONG
Executed: 2005-11-14
GELBEIN, ABRAHAM P.
Executed: 2005-11-14
Assignee
CATALYTIC DISTILLATION TECHNOLOGIES
10100 BAY AREA BOULEVARD, PASADENA, TEXAS, 77057
Covered Property (1)
Process for Making Diaryl Carbonate
Patent: 7,288,668 →
Application: 11/281,823 →
Publication: US 2007/0112214
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 026504/0745 →
Change of Name Mar 7, 2022
From: SHELL OIL COMPANY
To: SHELL USA, INC.
Reel/Frame 059694/0819 →