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Legal status
Patent not validated
| (51) | INT.CL. | C09K 11/67 | |
| B42D 15/00 | |||
| G07D 7/12 |
| (11) | Number of the document | 2835408 |
| (13) | Kind of document | T |
| (96) | European patent application number | 14003731.8 |
| Date of filing the European patent application | 2011-07-07 | |
| (97) | Date of publication of the European application | 2015-02-11 |
| (45) | Date of publication and mention of the grant of the patent | 2017-05-17 |
| (46) | Date of publication of the claims translation |
| (30) | Number | Date | Country code |
| 102010026627 | 2010-07-09 | DE |
| (72) |
Kecht, Johann, DE
Steinlein, Stephan, DE
Stock, Kai Uwe, DE
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| (73) |
Giesecke & Devrient GmbH,
Prinzregentenstrasse 159, 81677 München,
DE
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| (54) | Alkalimetall- und Erdalkalimetall-Niobate und -Tantalate als Sicherheitsmerkmalsstoffe |
| Alkali metal and alkaline earth metal niobates and tantalates as materials for security features |