IP Library Assignment 004922/0135
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 →