Patent Assignment
Reel/Frame 004297/0166
Assignment of Assignors Interest.
Recorded: 1984-09-07
Pages: 1
Assignors
DODSON, DAVID L.
Executed: 1983-11-03
PATE, BRUCE D.
Executed: 1983-11-03
ROGERS, PHILIP C.
Executed: 1983-11-03
Assignee
STAUFFER CHEMICAL COMPANY, A DE CORP.
WESTPORT,, CONNECTICUT
Covered Property
(1)
Treatment for Phosphorus-Containing Waste Material
Patent:
4,481,176 →
Application:
06/538,696 →
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 →