IP Library Assignment 006904/0521
Patent Assignment
Reel/Frame 006904/0521

Assignment of Assignor's Interest

Recorded: 1994-03-10 Pages: 2
Assignors
HELKE, GUENTER
Executed: 1994-01-31
LANGER, HANS-JOACHIM
Executed: 1994-01-31
Assignee
HOECHST AKTIENGESELLSCHAFT
BRUENINGSTRASSE 50, FRANKFURT AM MAIN FEDERAL REPUBLIC OF, D-65926, GERMANY
Covered Property (1)
Piezoceramic Material Having High Piezoelectric Activity and High Dielectric Constant
Patent: 5,423,995 →
Application: 08/208,214 →
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement Sep 16, 2013
From: CERAMTEC GMBH
To: DEUTSCHE BANK AG NEW YORK BRANCH, AS COLLATERAL AGENT
Reel/Frame 031217/0929 →
Assignment of Assignor's Interest Dec 2, 2013
From: HOECHST AKTIENGELLSCHAFT
To: HOECHST CERAMTEC AG
Reel/Frame 031700/0543 →
Change of Name Dec 2, 2013
From: HOECHST CERAMTEC AG
To: CERAMTEC AG INNOVATIVE CERAMIC ENGINEERING
Reel/Frame 031749/0373 →
Change of Name Dec 2, 2013
From: CERAMTEC AG
To: CERAMTEC GMBH
Reel/Frame 031749/0439 →
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 →