IP Library › Assignment 011610/0401
Patent Assignment
Reel/Frame 011610/0401

Assignment of Assignor's Interest

Recorded: 2001-03-21 Pages: 3
Assignors
TOUTAIN, HERVE
Executed: 2001-03-13
GUFFROY, MAGALI
Executed: 2001-03-13
Assignee
AVENTIS PHARMA S.A.
20 AVENUE RAYMOND ARON, F-92160 ANTONY, FRANCE
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 Apr 11, 2005
From: AVENTIS PHARMA S.A.
To: PFIZER, INC.
Reel/Frame 016470/0342 →
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 →