IP Library Assignment 004191/0477
Patent Assignment
Reel/Frame 004191/0477

Assignment of Assignors Interest.

Recorded: 1983-10-31 Pages: 2
Assignor
KOHN, RACHEL S.
Executed: 1983-10-27
Assignee
CELANESE CORPORATION A DE CORP
1211 AVE, NY, NEW YORK, 10036
Covered Property (1)
Thixotropic Aqueous Solutions Containing a Divinylsulfone- Crosslinked Polygalactomannan Gum
Patent: 4,752,339 →
Application: 06/547,145 →
Related Assignments (1)
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 →