Patent Assignment
Reel/Frame 004916/0275
Assignment of Assignors Interest.
Recorded: 1988-08-02
Pages: 2
Assignors
LAZARUS, RICHARD M.
Executed: 1988-07-13
KAUTZ, RANDALL
Executed: 1988-07-13
DIXIT, SUNIT S.
Executed: 1988-07-13
Covered Property
(1)
High Contrast High Thermal Stability Positive Photoresists with Mixed Cresol and Hydroxybenzaldehyde Prepared Novolak and Photosensitive Diazoquinone
Patent:
4,920,028 →
Application:
07/227,404 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 18, 1993
From: MORTON INTERNATIONAL, INC.
To: HOECHST CELANESE CORPORATION
Reel/Frame 006757/0451 →
Assignment of Assignor's Interest
Nov 6, 1997
From: HOECHST CELANESE CORPORATION
To: CLARIANT FINANCE (BVI) LIMITED
Reel/Frame 008829/0760 →
Assignment of Assignor's Interest
May 4, 2005
From: CLARIANT FINANCE (BVI) LIMITED
To: AZ ELECTRONIC MATERIALS USA CORP.
Reel/Frame 015972/0092 →