Patent Assignment
Reel/Frame 004344/0941
Assignment of Assignors Interest.
Recorded: 1984-12-11
Pages: 1
Assignor
DOERR, MARVIN L.
Executed: 1984-12-06
Assignee
CELANESE CORPORATION, A DE CORP.
121 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10036
Covered Property
(1)
Depolymerization of Condensation Polymers Involving a Pre-Molecular Weight Reduction Step
Patent:
4,620,032 →
Application:
06/680,443 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Jan 2, 1986
From: DOERR, MARVIN L.
To: CELANESE CORPORATION, 1211 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10036, A CORP OF DELAWARE
Reel/Frame 004493/0082 →
Assignment of Assignor's Interest
Aug 18, 1999
From: CELANESE CORPORATION
To: ARTEVA NORTH AMERICA S.A.R.L.
Reel/Frame 010024/0624 →
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 →
Change of Name
Jul 30, 2004
From: ARTEVA NORTH AMERICA S.A.R.L.
To: INVISTA NORTH AMERICA S.A.R.L.
Reel/Frame 014920/0600 →
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 →