Patent Assignment
Reel/Frame 007020/0763
Assignment of Assignor's Interest
Recorded: 1994-06-13
Pages: 4
Assignee
ZENECA LIMITED
15 STANHOPE GATE, LONDON, ENGLAND, W1Y 6LN, UNITED KINGDOM
Covered Property
(1)
Chemical Process for the Recovery of Metal from an Organic Complex
Patent:
5,364,452 →
Application:
08/108,814 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 28, 2001
From: SYNGENTA LIMITED
To: AVECIA LIMITED
Reel/Frame 012302/0096 →
Correct Assignee Address at 012302/0096
Sep 29, 2005
From: SYNGENTA LIMITED
To: AVECIA LIMITED
Reel/Frame 016835/0967 →
Assignment of Assignor's Interest
Apr 23, 2008
From: AVECIA LIMITED
To: ASARCO LLC
Reel/Frame 020837/0491 →