Patent Assignment
Reel/Frame 005515/0521
Assignment of Assignors Interest.
Recorded: 1990-11-09
Pages: 2
Assignee
RHONE-POULENC BASIC CHEMICALS CO.
A DE CORP., DELAWARE
Covered Property
(1)
Anti-Slip Composition
Patent:
4,990,188 →
Application:
07/286,187 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Nov 28, 1997
From: RHONE-POULENC BASIC CHEMICALS CO.
To: RHONE-POULENC INC.
Reel/Frame 008842/0003 →
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 →