Patent Assignment
Reel/Frame 006792/0227
Change of Name
Recorded: 1993-12-06
Pages: 4
Assignor
SANOFI
Executed: 1992-01-31
Assignee
ELF SANOFI
32-34, RUE MARBEUF, PARIS, FRANCE
Covered Property
(1)
Intermediates Useful in Preparing Propenone Oxime Ethers
Patent:
5,290,951 →
Application:
07/911,736 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Jul 22, 1997
From: SANOFI, ELF
To: SANOFI
Reel/Frame 008613/0145 →
Merger
May 25, 2004
From: SANOFI
To: SANOFI-SYNTHELABO
Reel/Frame 015361/0569 →
Change of Name
May 25, 2004
From: SANOFI
To: SANOFI
Reel/Frame 015361/0576 →
Change of Name
Jul 22, 2005
From: SANOFI-SYNTHELABO
To: SANOFI-AVENTIS
Reel/Frame 016345/0189 →