- All sections
- D - Textiles; paper
- D21H - Pulp compositions; preparation thereof not covered by subclasses , ; impregnating or coating of paper; treatment of finished paper not covered by class or subclass ; paper not otherwise provided for
- D21H 19/72 - Coated paper characterised by the paper substrate
Patent holdings for IPC class D21H 19/72
Total number of patents in this class: 89
10-year publication summary
2
|
5
|
13
|
5
|
6
|
6
|
2
|
4
|
8
|
0
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
GPCP IP Holdings LLC | 1686 |
8 |
Nippon Paper Industries Co., Ltd. | 809 |
7 |
The Procter & Gamble Company | 22148 |
5 |
Oji Holdings Corporation | 698 |
5 |
Mitsubishi Paper Mills Limited | 234 |
4 |
Stora Enso Oyj | 1598 |
4 |
Cascades Sonoco Inc. | 29 |
3 |
FUJIFILM Manufacturing Europe B.V. | 270 |
3 |
UPM-Kymmene Corporation | 911 |
3 |
WestRock MWV, LLC | 341 |
3 |
Hewlett-Packard Development Company, L.P. | 27484 |
2 |
Agfa-Gevaert | 280 |
2 |
Arjo Wiggins Fine Papers Limited | 26 |
2 |
Billerud AB | 99 |
2 |
Nippon Paper Papylia Co., Ltd. | 36 |
2 |
Omya International AG | 810 |
2 |
DuPont Safety & Construction, Inc. | 687 |
2 |
Nutrition & Biosciences USA 4, Inc. | 207 |
2 |
E. I. du Pont de Nemours and Company | 4253 |
1 |
Evonik Degussa Corporation | 21 |
1 |
Other owners | 26 |