IP Library Assignment 004791/0409
Patent Assignment
Reel/Frame 004791/0409

Assignment of Assignors Interest.

Recorded: 1987-10-15 Pages: 1
Assignors
KRUSE, UNO
Executed: 1987-10-01
CROWLEY, BURLON C.
Executed: 1987-10-05
MARDIS, WILBUR S.
Executed: 1987-10-08
Assignee
Covered Property (1)
Water Dispersible, Modified Polyurethane Thickener with Improved High Shear Viscosity in Aqueous Systems
Patent: 5,023,309 →
Application: 07/098,146 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Jul 20, 2008
From: RHEOX, INC.
To: ELEMENTIS SPECIALTIES, INC.
Reel/Frame 021253/0954 →