Patent Assignment
Reel/Frame 004480/0419
Assignment of Assignors Interest.
Recorded: 1985-11-22
Pages: 2
Assignor
AMICON CORPORATION
Executed: 1985-09-30
Assignee
W. R. GRACE & CO., A CORP OF CONNECTICUT
1114 AVENUE OF THE AMERICAS,, NEW YORK, NEW YORK, 10036
Covered Properties
(5)
Blood Fractionating Process and Apparatus for Carrying Out Same
Patent:
32,089 →
Application:
06/235,093 →
Agarose Derivatives of Amino Phenyl Boronic Acid
Patent:
4,562,251 →
Application:
06/402,023 →
Centrifugal Microconcentrator and Methods for Its Use
Patent:
4,632,761 →
Application:
06/523,208 →
Boron Containing 1,3,5-Triazines
Patent:
4,778,888 →
Application:
06/639,606 →
Non-Adsorptive, Semipermeable Filtration Membrane
Patent:
4,787,976 →
Application:
06/728,008 →
Related Assignments
(11)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Jul 26, 1982
From: FULTON, SCOTT; YANKOPOULOS, BASIL; ZEDIANA, LEWIS JR.
To: AMICON CORPORATION
Reel/Frame 004027/0725 →
Assignment of Assignors Interest.
Aug 15, 1983
From: BOWERS, WILLIAM F.; RIGOPULOS, PETER N.
To: AMICON CORPORATION, A MA CORP.
Reel/Frame 004168/0571 →
Assignment of Assignors Interest.
Jun 10, 1985
From: PARHAM, MARC E.; MILLIGAN, KAREN E.
To: AMICON CORPORATION, A CORP OF MA
Reel/Frame 004415/0127 →
Merger Effective: May 25, 1988
Aug 4, 1988
From: GRACE MERGER CORP.; W. R. GRACE & CO.,
To: W. R. GRACE & CO.-CONN., A CONN. CORP.
Reel/Frame 004936/0844 →
Merger
Aug 24, 1989
From: GRACE MERGER CORP. A CT CORP. (MERGED INTO); W. R. GRACE & CO. A CT. CORP.
To: W. R. GRACE & CO.-CONN.
Reel/Frame 005206/0001 →
Assignment of Assignors Interest.
Jan 8, 1993
From: W.R. GRACE & CO. -CONN.
To: AMICON, INC.
Reel/Frame 006376/0566 →
Assignment of Assignor's Interest
Jun 9, 1997
From: W.R. GRACE & CO.-CONN. AND AMICON,INC.
To: MILLIPORE INVESTMENT HOLDINGS LIMITED
Reel/Frame 008587/0224 →
Assignment of Assignor's Interest
Jun 19, 1997
From: W.R. GRACE & CO.-CONN.
To: CIRCE BIOMEDICAL, INC.
Reel/Frame 008568/0515 →
Change of Name
Mar 15, 2002
From: CIRCE ACQUISITION CORP.
To: CIRCE BIOMEDICAL, INC.
Reel/Frame 013000/0729 →
Assignment of Assignor's Interest
Mar 18, 2002
From: CIRCE BIOMEDICAL, INC.
To: CIRCE ACQUISITION CORP.
Reel/Frame 013056/0483 →
Assignment of Assignor's Interest
May 12, 2004
From: CIRCE BIOMEDICAL, INC.
To: ARBIOS TECHONOLOGIES, INC.
Reel/Frame 014615/0969 →