Patent Assignment
Reel/Frame 016470/0342
Assignment of Assignor's Interest
Recorded: 2005-04-11
Pages: 19
Assignor
AVENTIS PHARMA S.A.
Executed: 2004-09-01
Assignee
PFIZER, INC.
235 EAST 42ND STREET, NEW YORK, NEW YORK, 10017
Covered Property
(1)
Use of Camptothecin Derivatives, with Reduced Gastrointestinal Toxicity
Patent:
6,476,043 →
Application:
09/762,092 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 21, 2001
From: TOUTAIN, HERVE; GUFFROY, MAGALI
To: AVENTIS PHARMA S.A.
Reel/Frame 011610/0401 →
Assignment of Assignor's Interest
Dec 14, 2006
From: AVENTIS PHARMA S.A.
To: PFIZER INC.
Reel/Frame 018636/0013 →
Assignment of Assignor's Interest
Feb 21, 2007
From: AVENTIS PHARMA S.A.
To: PFIZER ENTERPRISES SARL
Reel/Frame 018915/0183 →