Patent Assignment
Reel/Frame 008512/0310
Assignment of Assignor's Interest
Recorded: 1997-05-12
Pages: 7
Assignor
W. R. GRACE & COMPANY
Executed: 1997-04-10
Assignee
HOECHST CELANESE CORPORATION
ROUTE 202-206 NORTH, SOMERVILLE, NEW JERSEY, 08876
Covered Properties
(5)
Battery Separator
Patent:
4,650,730 →
Application:
06/734,431 →
Battery Separator
Patent:
4,731,304 →
Application:
06/937,241 →
Battery Separator
Patent:
5,281,491 →
Application:
07/808,591 →
Color Projection System Employing Reflective Display Devices and Prism Illuminators
Patent:
5,420,655 →
Application:
07/991,689 →
Porous Membrane Having Single Layer Structure, Battery Separator Made Thereof, Preparations Thereof and Battery Equipped with Same Battery Separator
Patent:
5,453,333 →
Application:
07/992,181 →
Related Assignments
(14)
Other recorded transfers of the patents in this record — the chain of ownership.
Merger Effective Date: May 25, 1988 Connecticut
Aug 5, 1988
From: W.R. GRACE & CO., A CORP. OF CONN. (MERGED INTO); GRACE MERGER CORP., A CORP. OF CONN. (CHANGED TO)
To: W.R. GRACE & CO.-CONN.
Reel/Frame 004937/0001 →
Assignment of Assignors Interest.
Dec 16, 1992
From: SHIMIZU, JEFFREY A.
To: NORTH AMERICAN PHILIPS CORPORATION
Reel/Frame 006361/0649 →
License Agreement
Apr 1, 1993
From: W.R. GRACE & CO.-CONN.
To: HOECHST CELANESE CORPORATION
Reel/Frame 006466/0899 →
Assignment of Assignor's Interest
Oct 28, 1993
From: REIN, BURTON MAXWELL; TROFFKIN, HOWARD JULIAN; SPOTNITZ, ROBERT MARK; GIOVANNONI, RICHARD THOMAS
To: W. R. GRACE & CO.-CONN.
Reel/Frame 006748/0053 →
Assignment of Assignor's Interest
Apr 17, 1995
From: TAKEUCHI, TSUTOMU; YAMAZAKI, MANABU; MORI, YUICHI
To: W. R. GRACE & CO.-CONN.
Reel/Frame 007466/0518 →
Assignment of Assignor's Interest
Jul 7, 1997
From: W.R. GRACE & CO.-CONN
To: HOECHST CELANESE CORPORATION
Reel/Frame 008595/0651 →
Assignment of Assignor's Interest
Jan 29, 1998
From: HOECHST CELANESE CORPORATION
To: CELGARD LLC
Reel/Frame 009168/0439 →
Assignment of Assignor's Interest
Dec 30, 1999
From: CELGARD LLC
To: CELGARD, INC., A CORP. OF DELAWARE
Reel/Frame 010506/0869 →
Security Agreement
Nov 29, 2002
From: CELGARD, INC.
To: CHASE MANHATTAN BANK, AS ADMINISTRATIVE AGENT, THE
Reel/Frame 013964/0538 →
Change of Name
Jul 7, 2004
From: CELGARD, INC.
To: CELGARD, LLC
Reel/Frame 014822/0710 →
Security Agreement
Nov 10, 2004
From: CELGARD, LLC
To: JPMORGAN CHASE BANK, AS ADMINISTRATIVE AGENT
Reel/Frame 015348/0137 →
Patent Security Agreement
Apr 8, 2014
From: CELGARD, LLC (F/K/A CELGARD, INC.)
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 032631/0655 →
Release of Security Agreements in Patent Rights
Jul 22, 2014
From: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
To: CELGARD, LLC
Reel/Frame 033380/0608 →
Termination and Release of Security Interest in United States Patents
Aug 27, 2015
From: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
To: CELGARD, LLC (F/K/A/ CELGARD, INC.)
Reel/Frame 036485/0267 →