IP Library Assignment 004858/0842
Patent Assignment
Reel/Frame 004858/0842

Assignment of Assignors Interest.

Recorded: 1987-12-09 Pages: 1
Assignors
LOWENSTEIN, DAVID
Executed: 1988-02-17
TILMAN, MENAHEM
Executed: 1988-02-17
ROSENBERG, ETAN
Executed: 1988-02-17
Assignee
Covered Properties (2)
Novel Mixed Ester O-Quinone Photosensitizers
Patent: 4,732,837 →
Application: 06/858,631 →
Novel Mixed Ester O-Quinone Photosensitizers
Patent: 4,732,836 →
Application: 06/859,284 →
Related Assignments (4)
Other recorded transfers of the patents in this record — the chain of ownership.
Letters of Testamentary Dec 9, 1987
From: ST. ALBAN, JONAS, O., DEC'D.
To: HOECHST CELANESE CORPORATION, A CORP. OF DE
Reel/Frame 004858/0839 →
Assignment of Assignors Interest. Dec 9, 1987
From: POTVIN, ROBERT E.; SOBODACHA, CHESTER J.
To: HOECHST CELANESE CORPORATION, A CORP. OF DE
Reel/Frame 004858/0843 →
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 →