Patent Assignment
Reel/Frame 004349/0632
Assignment of Assignors Interest.
Recorded: 1985-01-14
Pages: 2
Assignor
TOUKHY, MEDHAT A.
Executed: 1985-01-08
Assignee
PHILIP A. HUNT CHEMCAL CORPORATION
5 GARRETT MOUNTAIN PLAZA, A DE CORP., WEST PATTERSON, NEW JERSEY
Covered Property
(1)
Positive Photoresist Composition with Cresol-Formaldehyde Novolak Resins
Patent:
4,529,682 →
Application:
06/403,935 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Sep 17, 1990
From: PHILIP A. HUNT CHEMICAL CORPORATION
To: OLIN HUNT SPECIALTY PRODUCTS INC.
Reel/Frame 005435/0649 →
Change of Name Effective Date: Dec. 12, 1990
Mar 14, 1991
From: OLIN HUNT SPECIALTY PRODUCTS INC.
To: OCG MICROELECTRONIC MATERIALS, INC.
Reel/Frame 005630/0516 →
Change of Name
Apr 18, 1997
From: OCG MICROELECTRONIC MATERIALS, INC.
To: OLIN MICROELECTRONIC CHEMICALS, INC.
Reel/Frame 008495/0994 →