IP Library Assignment 003793/0299
Patent Assignment
Reel/Frame 003793/0299

Assignment of Assignors Interest.

Recorded: 1980-08-26 Pages: 1
Assignor
DONALDSON PETER ANTHONY
Executed: 1977-07-07
Assignee
IMPERIAL CHEMICAL INDUSTRIES LIMITED,A CORP. OF GREAT BRITAIN
MILLBANK,, LONDON,, ENGLAND, S.W.1, UNITED KINGDOM
Covered Property (1)
Purification of Dicarboxylic Acids
Patent: 4,275,230 →
Application: 05/969,431 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 29, 1998
From: IMPERIAL CHEMICAL INDUSTRIES PLC; ICI CHEMICALS AND POLYMERS LIMITED
To: E. I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 009289/0734 →