Patent Assignment
Reel/Frame 012170/0418
Assignment of Assignor's Interest
Recorded: 2001-09-14
Pages: 3
Assignors
LEUE, STEFANIE
Executed: 2001-07-09
GARCON, STEPHANIE
Executed: 2001-07-05
GREENE, ANDREW-ELLIOT
Executed: 2001-07-05
GENISSON, YVES
Executed: 2001-07-07
LEON, PATRICK
Executed: 2001-07-12
Assignee
AVENTIS PHARMA S.A.
20 AVENUE RAYMOND ARON, F-92165 ANTONY, FRANCE
Covered Property
(1)
Preparation of Camptothecin and of Its Derivatives
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 016446/0222 →
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 →