Patent Assignment
Reel/Frame 004326/0929
Assignment of Assignors Interest.
Recorded: 1984-11-13
Pages: 1
Assignors
SHERIF, FAWZY G.
Executed: 1983-04-04
VIA, FRANCIS A.
Executed: 1983-04-04
MAJEWSKI, HELMUT W.
Executed: 1983-04-08
Covered Property
(1)
Dicalcium Phosphate Dihydrate Having Improved Monofluorophosphate Compatibility and Process for the Preparation Thereof
Patent:
4,496,527 →
Application:
06/511,973 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Nov 28, 1997
From: STAUFFER CHEMICAL COMPANY
To: RHONE-POULENC INC.
Reel/Frame 008848/0452 →
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 →