Patent Assignment
Reel/Frame 006014/0408
Assignment of Assignors Interest.
Recorded: 1992-02-14
Pages: 4
Assignors
PARKER, BRIAN A.
Executed: 1992-01-29
CULLEN, BARRY A.
Executed: 1992-01-29
GAUDETTE, ROGER A.
Executed: 1992-02-06
Assignee
W. R. GRACE & CO.-CONN., A CORP. OF CT
1114 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10036
Covered Property
(1)
Preparation of Ethylenediaminetriacetic Acid
Patent:
5,250,728 →
Application:
07/806,567 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 8, 1993
From: HAMPSHIRE CHEMICAL CORP.
To: CHASE MANHATTAN BANK (NATIONAL ASSOCIATION), AS COLLATERAL AGENT, THE
Reel/Frame 006621/0379 →
Assignment of Assignors Interest.
Mar 22, 1993
From: W.R. GRACE & CO.-CONN.
To: HAMPSHIRE CHEMICAL CORP.
Reel/Frame 006467/0595 →
Assignment for Security
Oct 2, 1995
From: HAMPSHIRE CHEMICAL CORPORATION
To: CHEMICAL BANK
Reel/Frame 007662/0410 →
Patent Release
Oct 2, 1995
From: CHASE MANHATTAN BANK, THE
To: HAMPSHIRE CHEMICAL CORPORATION
Reel/Frame 007677/0852 →
Assignment of Assignor's Interest
Feb 23, 1998
From: CHASE MANHATTAN BANK, THE
To: HAMPSHIRE CHEMICAL CORP.
Reel/Frame 009005/0022 →