Patent Assignment
Reel/Frame 008423/0228
Change of Name
Recorded: 1997-03-19
Pages: 5
Assignor
SANOFI, ELF
Executed: 1994-06-01
Assignee
SANOFI
32-34, RUE MARBEUF, 75008 PARIS, FRANCE
Covered Properties
(2)
Anti-Inflammatory Products Derived from Methylene-Diphosphonic Acid, and Process for Their Preparation
Patent:
4,746,654 →
Application:
06/858,573 →
Anti-Inflammatory Products Derived from Methylene-Diphosphonic Acid, and Process for Their Preparation
Patent:
4,876,248 →
Application:
07/165,080 →
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Name
Nov 16, 1993
From: SANOFI
To: ELF SANOFI
Reel/Frame 006763/0399 →
Assignment of Assignor's Interest
Feb 22, 2000
From: SANOFI.
To: SANOFI-SYTHELABO
Reel/Frame 010668/0608 →
Merger
Jun 8, 2004
From: SANOFI
To: SANOFI-SYNTHELABO
Reel/Frame 015386/0621 →
Change of Name
Jul 22, 2005
From: SANOFI-SYNTHELABO
To: SANOFI-AVENTIS
Reel/Frame 016345/0189 →