IP Library Assignment 023790/0708
Patent Assignment
Reel/Frame 023790/0708

Assignment of Assignor's Interest

Recorded: 2010-01-15 Pages: 3
Assignor
ROBERTSON, RAYMOND M.
Executed: 2010-01-14
Assignee
CELANESE ACETATE LLC
1601 WEST LBJ FREEWAY, DALLAS, TEXAS, 75234
Covered Property (1)
Degradable Cigarette Filter: Pill with Multilayered Coating
Patent: 8,397,733 →
Application: 12/687,912 →
Publication: US 2011/0174324
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 →