Patent Assignment
Reel/Frame 005379/0273
Assignment of Assignors Interest.
Recorded: 1990-07-23
Pages: 3
Assignee
ALUMINUM COMPANY OF AMERICA, A CORP. OF PA
PITTSBURGH,, PENNSYLVANIA
Covered Property
(1)
Method for Reducing the Amount of Colorants in a Caustic Liquor
Patent:
5,068,095 →
Application:
07/507,386 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Dec 16, 1999
From: ALUMINUM COMPANY OF AMERICA
To: ALCOA INC.
Reel/Frame 010461/0371 →
Security Agreement
Mar 4, 2004
From: ALMATIS AC, INC.
To: BANK OF NOVA SCOTIA, THE
Reel/Frame 014409/0402 →
Assignment of Assignor's Interest
Aug 3, 2004
From: ALCOA INC.
To: ALCOA WORLD ALUMINA LLC
Reel/Frame 014934/0419 →
Assignment of Assignor's Interest
Aug 3, 2004
From: ALCOA WORLD ALUMINA LLC
To: ALMATIS AC, INC.
Reel/Frame 014934/0488 →
Release of Security Interest - Patents
Sep 28, 2005
From: BANK OF NOVA SCOTIA
To: ALMATIS AC, INC.
Reel/Frame 016593/0730 →