Patent Assignment
Reel/Frame 006467/0165
Assignment of Assignors Interest.
Recorded: 1993-03-22
Pages: 5
Assignor
W. R. GRACE & CO.-CONN.
Executed: 1992-12-29
Assignee
HAMPSHIRE CHEMICAL CORP.
55 HAYDEN AVENUE, LEXINGTON, MASSACHUSETTS, 02173
Covered Properties
(2)
Production of 1-Phenyl-3-Cyanoureas
Patent:
4,304,935 →
Application:
06/138,480 →
Process for the Purification of Mandelic Acid N,N-Diethylamide
Patent:
5,149,873 →
Application:
07/649,401 →
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Aug 12, 1981
From: BRAMMER-PETERSEN JOHN V.; HAKANSON CHRISTER L.; LINDGREN PER T.
To: REXOLIN CHEMICALS AB, A CORP. OF SWEDEN
Reel/Frame 003886/0851 →
Assignment of Assignors Interest.
Jul 26, 1991
From: HA KANSSON, CHRISTER L.; KARLSSON, BENGT L.
To: REXOLIN CHEMICALS AB, A SWEDISH COMPANY
Reel/Frame 005777/0226 →
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 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
May 26, 1998
From: CHASE MANHATTAN BANK, THE
To: HAMPSHIRE CHEMICAL CORP.
Reel/Frame 009227/0565 →