Patent Assignment
Reel/Frame 004464/0151
Assignment of Assignors Interest.
Recorded: 1985-10-07
Pages: 1
Assignor
HARRIS, WILLIAM F. JR.
Executed: 1984-02-13
Assignee
CELANESE CORPORATION , A CORP OF DE
1211 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10036
Covered Property
(1)
Extension of Gelation Time of Crosslinked Polygalactomannans
Patent:
4,568,481 →
Application:
06/580,970 →
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 →