IP Library Assignment 004427/0071
Patent Assignment
Reel/Frame 004427/0071

Assignment of Assignors Interest.

Recorded: 1985-06-14 Pages: 2
Assignor
DEEG, MARTIN H. G.
Executed: 1985-06-10
Assignee
CELANESE CORPORATION
1211 AVENUE OF THE AMERICAS, A CORP. OF DE., NEW YORK, NEW YORK, 10036
Covered Property (1)
Process of Making an Aromatic Polyetherketone Fiber Product
Patent: 4,747,988 →
Application: 06/744,858 →
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Sep 27, 1999
From: HOECHST CELANESE CORPORATION
To: ARTEVA NORTH AMERICA S.A.R.L.
Reel/Frame 010121/0798 →
Change of Name May 19, 2004
From: ARTEVA NORTH AMERICA S.A.R.L.
To: INVISTA NORTH AMERICA S.A R.L.
Reel/Frame 014646/0250 →
Security Interest Jun 23, 2004
From: INVISTA NORTH AMERICA S.A.R.L. F/K/A ARTEVA NORTH AMERICA S.A.R.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 015592/0824 →
Release of U.S. Patent Security Interest Mar 19, 2009
From: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT AND COLLATERAL AGENT (F/K/A JPMORGAN CHASE BANK)
To: INVISTA NORTH AMERICA S.A.R.L. (F/K/A ARTEVA NORTH AMERICA S.A.R.L.)
Reel/Frame 022427/0001 →