IP Library › Assignment 004415/0127
Patent Assignment
Reel/Frame 004415/0127

Assignment of Assignors Interest.

Recorded: 1985-06-10 Pages: 1
Assignors
PARHAM, MARC E.
Executed: 1985-05-15
MILLIGAN, KAREN E.
Executed: 1985-05-15
Assignee
AMICON CORPORATION, A CORP OF MA
25 HARTWELL AVE., LEXINGTON, MASSACHUSETTS, 02173
Covered Property (1)
Non-Adsorptive, Semipermeable Filtration Membrane
Patent: 4,787,976 →
Application: 06/728,008 →
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Nov 22, 1985
From: AMICON CORPORATION
To: W. R. GRACE & CO., A CORP OF CONNECTICUT
Reel/Frame 004480/0419 →
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 →
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 →