Patent Assignment
Reel/Frame 016446/0246
Assignment of Assignor's Interest
Recorded: 2005-04-11
Pages: 13
Assignor
AVENTIS PHARMA S.A.
Executed: 2004-09-01
Assignee
PFIZER, INC.
235 EAST 42ND STREET, NEW YORK, NEW YORK, 10017
Covered Property
(1)
Preparation of Camptothecin and Nothapodytine Derivatives
Patent:
6,500,953 →
Application:
09/744,547 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 26, 2001
From: MEKOUAR, KHALID; GENISSON, YVES; LEUE, STEFANIE; GREENE, ANDREW-ELLIOTT
To: AVENTIS PHARMA S.A.
Reel/Frame 011563/0626 →
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 →