IP Library Assignment 021063/0251
Patent Assignment
Reel/Frame 021063/0251

Assignment of Assignor's Interest

Recorded: 2008-06-09 Pages: 5
Assignors
ROBERTSON, RAYMOND M.
Executed: 2008-06-09
THOMAS, WILLIAM C.
Executed: 2008-06-09
Assignee
CELANESE ACETATE LLC
1601 WEST LBJ FREEWAY, DALLAS, TEXAS, 75234
Covered Property (1)
Degradable Cigarette Filter
Patent: 9,155,335 →
Application: 12/135,264 →
Publication: US 2009/0151738
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 14, 2017
From: CELANESE ACETATE LLC
To: ACETATE INTERNATIONAL LLC
Reel/Frame 044391/0796 →