IP Library Assignment 004998/0046
Patent Assignment
Reel/Frame 004998/0046

Assignment of Assignors Interest.

Recorded: 1989-01-09 Pages: 2
Assignors
O'NEILL, GARY A.
Executed: 1989-01-04
NOVAK, JOHN W.
Executed: 1989-01-03
MARTIN, EDWARD S.
Executed: 1989-01-03
Assignee
Covered Property (1)
Method for Removing Arsenic or Selenium from an Aqueous Solution Containing a Substantial Background of Another Contaminant
Patent: 4,935,146 →
Application: 07/271,501 →
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 →