Patent Assignment
Reel/Frame 006458/0064
Assignment of Assignors Interest.
Recorded: 1993-03-10
Pages: 3
Assignor
YEH, MICHAEL H.
Executed: 1993-03-09
Assignee
RHONE-POULENC SPECIALTY CHEMICALS CO.
CN 7500, PROSPECT PLAINS ROAD, CRANBURY, NEW JERSEY, 08512
Covered Property
(1)
Modified Hydrophobic Cationic Thickening Compositions
Patent:
5,387,675 →
Application:
08/029,208 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Feb 27, 1997
From: RHONE-POULENC SPECIALTY CHEMICALS CO.
To: RHONE-POULENC, INC.
Reel/Frame 008382/0702 →
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 20, 2011
From: RHODIA INC.
To: RHODIA OPERATIONS
Reel/Frame 025670/0491 →