- 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 19/50 - Proteins
Patent holdings for IPC class D21H 19/50
Total number of patents in this class: 59
10-year publication summary
|
8
|
5
|
4
|
3
|
5
|
3
|
2
|
5
|
5
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| WestRock MWV, LLC | 329 |
9 |
| Gelita AG | 227 |
3 |
| Kemira Oyj | 1264 |
3 |
| The Penn State Research Foundation | 1622 |
3 |
| Xampla Limited | 38 |
3 |
| Auburn University | 497 |
2 |
| Johns Manville | 922 |
2 |
| Solenis Technologies, L.P. | 304 |
2 |
| Lactips | 19 |
2 |
| Université Paris Cité | 919 |
2 |
| Société des Produits Nestlé S.A. | 10042 |
1 |
| Conopco, Inc. | 5092 |
1 |
| Hewlett-Packard Development Company, L.P. | 25170 |
1 |
| Dow Global Technologies LLC | 10994 |
1 |
| President and Fellows of Harvard College | 6105 |
1 |
| Algix, LLC | 27 |
1 |
| Billerudkorsnas AB | 88 |
1 |
| Buckman Laboratories International, Inc. | 240 |
1 |
| Cargill, Incorporated | 2963 |
1 |
| Cerealus Holdings, LLC | 5 |
1 |
| Other owners | 18 |