Patent Assignment
Reel/Frame 005622/0393
Assignment of Assignors Interest.
Recorded: 1991-03-05
Pages: 2
Covered Property
(1)
Electrochemical Synthesis of H202
Patent:
5,112,702 →
Application:
07/636,868 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 27, 1998
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: ELF ATOCHEM NORTH AMERICA, INC.
Reel/Frame 009638/0225 →
Change of Name
Jul 25, 2000
From: ELF ATOCHEM NORTH AMERICA, INC., A CORP. OF PENNSYLVANIA
To: ATOFINA CHEMICALS, INC., A CORP. OF PENNSYLVANIA
Reel/Frame 011007/0001 →
Change of Name
Nov 15, 2004
From: ATOFINA CHEMICALS, INC.
To: ARKEMA INC.
Reel/Frame 015394/0628 →