Patent Assignment
Reel/Frame 006488/0914
Assignment of Assignors Interest.
Recorded: 1993-03-17
Pages: 3
Assignors
BUHR, GERHARD
Executed: 1993-03-08
ZAHN, WOLFGANG
Executed: 1993-03-08
ERDMANN, FRITZ
Executed: 1993-03-08
SCHELER, SIEGFRIED
Executed: 1993-03-08
Assignee
HOECHST AKTIENGESELLSCHAFT
FRANKFURT/MAIN, GERMANY
Covered Property
(1)
(1,2-Naphthoquinone 2-Diazide) Sulfonic Acid Esters, Radiation-Sensitive Mixture Prepared Therewith and Radiation- Sensitive Recording Material
Patent:
5,563,018 →
Application:
08/032,276 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 19, 1999
From: HOECHST AKTIENGESELLSCHAFT
To: CLARIANT GMBH
Reel/Frame 010351/0823 →
Assignment of Assignor's Interest
Dec 9, 2005
From: CLARIANT GMBH
To: CLARIANT AZ (DEUTSCHLAND) AKTIENGESELLSCHAFT
Reel/Frame 017105/0233 →
Change of Name
Dec 9, 2005
From: CLARIANT AZ (DEUTSCHLAND) AKTIENGESSELLSCHAFT
To: AZ ELECTRONIC MATERIALS (GERMANY) GMBH
Reel/Frame 017105/0279 →