Patent Assignment
Reel/Frame 004855/0260
Assignment of Assignors Interest.
Recorded: 1988-03-01
Pages: 1
Assignors
STARK, WILLIAM M.
Executed: 1988-02-24
HUGHES, NIGEL
Executed: 1988-02-18
GUNN, DONALD M.
Executed: 1988-02-18
Assignee
IMPERIAL CHEMICAL INDUSTRIES PLC, A CORP. OF GREAT BRITAIN
MILLBANK, LONDON, SW1P 3JF, ENGLAND, UNITED KINGDOM
Covered Property
(1)
Substituted Phthalocyanine
Patent:
4,824,948 →
Application:
07/162,513 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 29, 1994
From: IMPERIAL CHEMICAL INDUSTRIES PLC
To: ZENECA LIMITED
Reel/Frame 006965/0039 →
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 →