Patent Assignment
Reel/Frame 006748/0053
Assignment of Assignor's Interest
Recorded: 1993-10-28
Pages: 4
Assignors
REIN, BURTON MAXWELL
Executed: 1992-02-19
TROFFKIN, HOWARD JULIAN
Executed: 1992-02-21
SPOTNITZ, ROBERT MARK
Executed: 1992-02-24
GIOVANNONI, RICHARD THOMAS
Executed: 1992-02-24
GUO, YIHONG
Executed: 1992-02-24
Assignee
W. R. GRACE & CO.-CONN.
1114 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10036
Covered Property
(1)
Battery Separator
Patent:
5,281,491 →
Application:
07/808,591 →
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 12, 1997
From: W. R. GRACE & COMPANY
To: HOECHST CELANESE CORPORATION
Reel/Frame 008512/0310 →
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 →