- All sections
- D - Textilespaper
- D21H - Pulp compositionspreparation thereof not covered by subclasses , impregnating or coating of papertreatment of finished paper not covered by class or subclass paper not otherwise provided for
- D21H 21/46 - Elements suited for chemical verification or impeding chemical tampering, e.g. by use of eradicators
Patent holdings for IPC class D21H 21/46
Total number of patents in this class: 16
10-year publication summary
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0
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0
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0
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0
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0
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1
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0
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bundesdruckerei GmbH | 989 |
3 |
| Honnorat Recherches & Services | 5 |
3 |
| Arjowiggins Security | 117 |
2 |
| Honnorat Products SAS | 2 |
2 |
| Oberthur Fiduciaire SAS | 138 |
1 |
| Oberthur Technologies | 128 |
1 |
| Precision Dynamics Corporation | 183 |
1 |
| SEB S.A. | 1671 |
1 |
| Identif GmbH | 3 |
1 |
| IDEMIA Civil Identity NA LLC | 115 |
1 |
| Other owners | 0 |