Patent Assignment
Reel/Frame 005363/0969
Assignment of Assignors Interest.
Recorded: 1990-07-19
Pages: 2
Assignor
YEH, MICHAEL H.
Executed: 1988-11-02
Assignee
HI-TEK POLYMERS, INC.
9808 E. BLUEGRASS PARKWAY, JEFFERSONTOWN, KENTUCKY, 40299
Covered Property
(1)
Process for Derivatizing Polygalactomannan Using Water Soluble Aluminum Salts in the Process
Patent:
4,959,464 →
Application:
07/268,287 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Sep 9, 1991
From: HI-TEK POLYMERS, INC., A GA CORP.; RHONE-POULENC INC., A NY CORP.
To: STEIN, HALL & CO. INC.,
Reel/Frame 005826/0726 →
Merger
Nov 28, 1997
From: STEIN, HALL & CO. INC.
To: RHONE-POULENC INC.
Reel/Frame 008848/0068 →
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 →