IP Library › Assignment 004995/0837
Patent Assignment
Reel/Frame 004995/0837

Assignment of Assignors Interest.

Recorded: 1988-12-08 Pages: 1
Assignors
DALTON, RAYMOND F.
Executed: 1988-11-30
LENG, JOHN L.
Executed: 1988-12-01
Assignee
Covered Property (1)
Composition and Use of the Composition for the Extraction of Metals from Aqueous Solution
Patent: 4,978,788 →
Application: 07/281,078 →
Related Assignments (2)
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 (FORMERLY ZENECA LIMITED)
To: AVECIA LIMITED
Reel/Frame 012199/0501 →