Patent Assignment
Reel/Frame 010525/0291
Assignment of Assignor's Interest
Recorded: 2000-01-13
Pages: 2
Assignor
DUVAL, RAPHAEL
Executed: 1999-08-25
Assignees
INSTITUT FRANCAIS DU PETROLE
4, AVENUE DE BOIS-PREAU, F-92500 RUEIL-MALMAISON, FRANCE
CHIRALSEP S.A.R.L.
11, RUE DE LA BOISSIERE, F-76170 LA FRENAYE, FRANCE
Covered Property
(1)
Cross-Linked Polymers Based on Bis-Silane, Bis-Thioether, Bis-Sulphoxide, Bis-Sulphone and Butane-Di-Yl Derivatives of Polysaccharides and Oligosaccharides, and Their Shaping as Support Materials
Application:
09/394,905 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 20, 2005
From: INSTITUTE FRANCAIS DU PETROLE
To: CHIRALSEP SARL
Reel/Frame 017105/0042 →
Change of Business Organization
Oct 20, 2005
From: CHIRALSEP SARL
To: CHIRALSEP S.A.
Reel/Frame 017105/0713 →
Assignment of Assignor's Interest
Oct 20, 2005
From: CHIRALSEP S.A.
To: EKA CHEMICALS AB
Reel/Frame 017105/0736 →