- 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 17/51 - Triazines, e.g. melamine
Patent holdings for IPC class D21H 17/51
Total number of patents in this class: 41
10-year publication summary
|
3
|
2
|
1
|
1
|
2
|
6
|
2
|
2
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Flooring Technologies Ltd. | 169 |
4 |
| UNILIN, besloten vennootschap | 968 |
4 |
| The Chemours Company Fc, LLC | 1315 |
3 |
| BASF SE | 21165 |
2 |
| Flooring Industries Limited, SARL | 181 |
2 |
| Kemira Oyj | 1244 |
2 |
| Valinge Photocatalytic AB | 22 |
2 |
| Vits Technology GmbH | 19 |
2 |
| Inveresk plc | 2 |
2 |
| Ricoh Company, Ltd. | 13309 |
1 |
| AICA Kogyo Co., Ltd. | 57 |
1 |
| Lubrizol Advanced Materials, Inc. | 950 |
1 |
| METADYNEA AUSTRIA GmbH | 11 |
1 |
| Neenah Gessner GmbH | 96 |
1 |
| Schattdecor AG | 29 |
1 |
| Schoeller Technocell GmbH & Co. KG | 19 |
1 |
| South China University of Technology | 1873 |
1 |
| Surfactor Germany GmbH | 17 |
1 |
| Trespa International B.V. | 80 |
1 |
| Ahlstrom-munksjo Oyj | 159 |
1 |
| Other owners | 7 |