Patent Assignment
Reel/Frame 004006/0235
Assignment of Assignors Interest.
Recorded: 1982-06-24
Pages: 2
Assignee
CRITICAL FLUID SYSTEMS, INC.
A CORP OF MA., CAMBRIDGE, MASSACHUSETTS
Covered Property
(1)
Process for Separating Organic Liquid Solutes from Their Solvent Mixtures
Patent:
4,349,415 →
Application:
06/079,935 →
Related Assignments
(10)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
May 11, 1988
From: CF SYSTEMS CORPORATION, A MASSACHUSETTS CORPORATION
To: BAYBANK MIDDLESEX
Reel/Frame 004884/0745 →
Security Interest
Apr 18, 1995
From: CF SYSTEMS CORPORATION
To: MELLON BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 007436/0092 →
Assignment for Security
Sep 29, 1995
From: CF SYSTEMS CORPORATION
To: MELLON BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 007656/0004 →
First Amendment to Assignment for Security
Oct 19, 1995
From: CF SYSTEMS CORPORATION
To: MELLON BANK, N.A. AS COLLATERAL AGENT
Reel/Frame 007677/0938 →
First Amendment to Assignment for Security
Oct 19, 1995
From: CF SYSTEMS CORPORATION
To: MELLON BANK, N.A., COLLATERAL AGENT
Reel/Frame 007690/0485 →
Release of Assignment for Security of Patents
Oct 15, 1996
From: MELLON BANK, N.A.
To: CF SYSTEMS CORPORATION
Reel/Frame 008167/0840 →
Release of Assignment for Security of Patents
Oct 15, 1996
From: MELLON BANK N.A.
To: CF SYSTEMS CORPORATION
Reel/Frame 008167/0845 →
Security Interest
Aug 4, 2000
From: MORRISON KNUDSEN CORPORATION
To: CREDIT SUISSE FIRST BOSTON, AS COLLATER AGENT
Reel/Frame 011027/0283 →
Security Agreement
Jan 29, 2002
From: WASHINGTON GROUP INTERNATIONAL, INC.
To: CREDIT SUISSE FIRST BOSTON
Reel/Frame 012581/0265 →
Release of Security Interest
Nov 16, 2007
From: CREDIT SUISSE, CAYMAN ISLANDS BRANCH, AS ADMINISTRATIVE AGENT
To: WASHINGTON GROUP INTERNATIONAL, INC.
Reel/Frame 020125/0535 →