Patent Assignment
Reel/Frame 031700/0543
Assignment of Assignor's Interest
Recorded: 2013-12-02
Pages: 22
Assignor
HOECHST AKTIENGELLSCHAFT
Executed: 1995-12-22
Assignee
HOECHST CERAMTEC AG
WILHELMSTRASSE 14, SELB, D-950, GERMANY
Covered Properties
(2)
Densely Sintered, Tabular Ceramic Parts of Aluminum Oxide Having Improved Thermal Shock Resistance
Patent:
5,518,974 →
Application:
08/188,678 →
Piezoceramic Material Having High Piezoelectric Activity and High Dielectric Constant
Patent:
5,423,995 →
Application:
08/208,214 →
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 31, 1994
From: KRAHN, WOLFGANG; ERNST, JOHANNES; DRABENT, CLAUDIA
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 006859/0957 →
Assignment of Assignor's Interest
Mar 10, 1994
From: HELKE, GUENTER; LANGER, HANS-JOACHIM
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 006904/0521 →
Security Agreement
Sep 16, 2013
From: CERAMTEC GMBH
To: DEUTSCHE BANK AG NEW YORK BRANCH, AS COLLATERAL AGENT
Reel/Frame 031217/0929 →
Change of Name
Dec 2, 2013
From: CERAMTEC AG
To: CERAMTEC GMBH
Reel/Frame 031749/0439 →
Change of Name
Dec 2, 2013
From: HOECHST CERAMTEC AG
To: CERAMTEC AG INNOVATIVE CERAMIC ENGINEERING
Reel/Frame 031749/0373 →
Merger
Dec 2, 2013
From: CERAMTEC AG INNOVATIVE CERAMIC ENGINEERING
To: CERAMTEC AG
Reel/Frame 031749/0472 →
Release of Security Interest
Mar 14, 2018
From: DEUTSCHE BANK AG NEW YORK BRANCH
To: CERAMTEC GMBH
Reel/Frame 045597/0537 →