- 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 19/18 - Coatings without pigments applied in a form other than the aqueous solution defined in group comprising waxes
Patent holdings for IPC class D21H 19/18
Total number of patents in this class: 190
10-year publication summary
|
4
|
8
|
8
|
11
|
2
|
24
|
16
|
37
|
28
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Neenah Gessner GmbH | 95 |
17 |
| Mitsubishi HiTec Paper Europe GmbH | 66 |
8 |
| Kemira Oyj | 1261 |
7 |
| Sun Chemical Corporation | 808 |
7 |
| Lamberti SpA | 258 |
6 |
| Koehler Innovation & Technology GmbH | 56 |
6 |
| Mativ Luxembourg | 67 |
6 |
| Solenis Technologies Cayman, L.P. | 322 |
5 |
| ACE Packaging NV | 9 |
5 |
| ExxonMobil Chemical Patents Inc. | 3773 |
4 |
| PAPACKS SALES GmbH | 59 |
4 |
| ExxonMobil Research And Engineering Company | 2402 |
3 |
| Hewlett-Packard Development Company, L.P. | 25172 |
3 |
| AGC Chemicals Americas, Inc. | 42 |
3 |
| Kemira Water Solutions, Inc. | 38 |
3 |
| Solenis Technologies, L.P. | 304 |
3 |
| Ahlstrom Oyj | 204 |
3 |
| The Procter & Gamble Company | 21853 |
2 |
| Daikin Industries, Ltd. | 10513 |
2 |
| Mitsubishi Chemical Corporation | 4724 |
2 |
| Other owners | 91 |