Patent Assignment
Reel/Frame 005064/0366
Assignment of Assignors Interest.
Recorded: 1989-04-14
Pages: 2
Assignee
POLYPURE, INC., A CORP. OF GA
1 GATEHALL DRIVE, PARSIPPANY, NEW JERSEY, 07054
Covered Property
(1)
Terpolymer of Oxyalkene Acrylates, Acrylamides and Quaternary Monomers
Patent:
4,981,936 →
Application:
07/337,909 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Oct 13, 1992
From: POLYPURE, INC.
To: RHONE-POULENC INC.
Reel/Frame 006279/0460 →
Assignment of Assignors Interest.
Feb 8, 1993
From: RHONE-POULENC INC.
To: RHONE-POULENC SPECIALTY CHEMICALS CO.
Reel/Frame 006426/0151 →
Merger
Jan 11, 1995
From: RHONE-POULENC SPECIALTY CHEMICALS CO.
To: RHONE-POULENC INC.
Reel/Frame 007286/0488 →
Assignment of Assignor's Interest
May 8, 1995
From: RHONE-POULENC, INC.
To: S.N.F.
Reel/Frame 007476/0706 →