Patent Assignment
Reel/Frame 008418/0319
Assignment of Assignor's Interest
Recorded: 1996-10-22
Pages: 3
Assignee
RHONE-POULENC SURFACTANTS SPECIALTIES, L.P.
CN-7500, 1900 PROSPECT PLAINS RD., CRANBURY, NEW JERSEY, 08512
Covered Property
(1)
Use of a High Purity Imidazoline Based Amphoacetate Surfactant as Foaming Agent in Oil Wells
Patent:
6,113,809 →
Application:
08/734,990 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 6, 1998
From: RHONE-POULENC INC.
To: RHODIA INC.
Reel/Frame 010404/0268 →
Invalid Recording. See Recording at Reel 010404, Frame 0268.
Feb 6, 1998
From: RHONE-POULENC INC.
To: RHODIA INC.
Reel/Frame 008955/0873 →
Assignment of Assignor's Interest
Jan 19, 2000
From: RHONE-POULENC SURFACTANTS & SPECIALTIES, L.P.
To: RHODIA INC.
Reel/Frame 010539/0616 →