Patent Assignment
Reel/Frame 005137/0653
Assignment of Assignors Interest.
Recorded: 1989-08-15
Pages: 2
Assignors
PAHADE, RAVINDRA F.
Executed: 1989-05-09
ZIEMER, JOHN H.
Executed: 1989-05-09
HOWELL, JOHN K.
Executed: 1989-05-09
Assignee
UNION CARBIDE CORPORATION
OLD RIDGEBURY ROAD, A CORP. OF NEW YORK, DANBURY, CONNECTICUT, 06817
Covered Property
(1)
Air Separation Process with Improved Reboiler Liquid Cleaning Circuit
Patent:
4,957,524 →
Application:
07/351,807 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Mar 12, 1991
From: UNION CARBIDE CORPORATION, A CORP. OF NY
To: UNION CARBIDE INDUSTRIAL GASES INC., A CORP. OF DE
Reel/Frame 005626/0511 →
Change of Name Effective on 06/12/1992
Dec 3, 1992
From: UNION CARBIDE INDUSTRIAL GASES TECHNOLOGY CORPORATION
To: PRAXAIR TECHNOLOGY, INC.
Reel/Frame 006337/0037 →