Patent Assignment
Reel/Frame 004922/0135
Assignment of Assignors Interest.
Recorded: 1988-08-02
Pages: 1
Covered Property
(1)
Composition and Use
Patent:
4,999,250 →
Application:
07/184,404 →
Related Assignments
(4)
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 →
Assignment of Assignor's Interest
Jan 6, 2005
From: AVECIA LIMITED
To: LUBRIZOL CORPORATION, THE
Reel/Frame 016116/0755 →
Correct Assignee Address at 012302/0096
Sep 29, 2005
From: SYNGENTA LIMITED
To: AVECIA LIMITED
Reel/Frame 016835/0967 →