IP Library › Assignment 009638/0225
Patent Assignment
Reel/Frame 009638/0225

Assignment of Assignor's Interest

Recorded: 1998-11-27 Pages: 4
Assignor
Assignee
ELF ATOCHEM NORTH AMERICA, INC.
2000 MARKET STREET, PHILADELPHIA, PENNSYLVANIA, 19103
Covered Properties (8)
Pd/SI02 Hydrogenation Catalyst Suitable for H202 Manufacture
Patent: 4,240,933 →
Application: 06/015,208 →
Pd/SIO2 Hydrogenation Catalyst Suitable for H202 Manufacture
Patent: 4,258,025 →
Application: 06/090,676 →
Preparation of Hydrogen Peroxide
Patent: 4,303,632 →
Application: 06/103,061 →
Manufacture of H2 02
Patent: 4,374,820 →
Application: 06/288,005 →
Catalyst for Anthraquinone Hydrogen Peroxide Process
Patent: 4,521,531 →
Application: 06/523,190 →
Fixed-Bed Hydrogen Peroxide Catalyst
Patent: 4,800,075 →
Application: 07/132,475 →
Electrochemical Synthesis of H202
Patent: 5,112,702 →
Application: 07/636,868 →
Anthraquinone Process
Patent: 5,772,977 →
Application: 08/549,586 →
Related Assignments (7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Nov 23, 1981
From: GUENTER, THOMAS E.
To: E.I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 003929/0267 →
Assignment of Assignors Interest. Feb 16, 1984
From: COATES, JOHN S.
To: E.I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 004222/0682 →
Assignment of Assignors Interest. Feb 11, 1988
From: JENKINS, COLIE L.
To: E. I. DU PONT DE NEMOURS AND COMPANY, A CORP. OF DE.
Reel/Frame 004828/0198 →
Assignment of Assignors Interest. Mar 5, 1991
From: BERZINS, TALVILDIS; GOSSER, LAWRENCE W.
To: E.I. DU PONT DE NEMOURS AND COMPANY, WILMINGTON, DE A DE CORP.
Reel/Frame 005622/0393 →
Assignment of Assignor's Interest May 24, 1996
From: JENKINS, COLIE LAWRENCE; KIRBY, FRED BRONSON; KOCH, THEODORE AUGUR
To: E.I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 007980/0881 →
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 →