IP Library Assignment 004835/0495
Patent Assignment
Reel/Frame 004835/0495

Assignment of Assignors Interest.

Recorded: 1988-03-10 Pages: 2
Assignors
LAGREE, DALE A.
Executed: 1987-12-23
LEAVITT, FREDERICK W.
Executed: 1987-12-23
Assignee
UNION CARBIDE CORPORATION MANUFACTURERS, A CORP. OF NY
OLD RIDGEBURY ROAD, DANBURY, CONNECTICUT, 06817
Covered Property (1)
Improved Pressure Swing Adsorption Process for Gas Separation
Patent: 4,810,265 →
Application: 07/139,207 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Dec 3, 1992
From: UNION CARBIDE CORPORATION
To: UNION CARBIDE INDUSTRIAL GASES INC.
Reel/Frame 006335/0809 →
Assignment of Assignors Interest. Apr 8, 1993
From: UNION CARBIDE INDUSTRIAL GASES CORPORATION
To: PRAXAIR TECHNOLOGY, INC.
Reel/Frame 006459/0523 →