IP Library Assignment 011441/0871
Patent Assignment
Reel/Frame 011441/0871

Assignment of Assignor's Interest

Recorded: 2000-10-30 Pages: 2
Assignor
THETFORD, DEAN
Executed: 2000-10-03
Assignee
AVECIA LIMITED
HEXAGON HOUSE, BLACKLEY, MANCHESTER, M9 8ZS, UNITED KINGDOM
Covered Property (1)
Polyurethane Dispersants
Patent: 6,509,409 →
Application: 09/674,272 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 6, 2005
From: AVECIA LIMITED
To: LUBRIZOL CORPORATION, THE
Reel/Frame 016116/0755 →