- 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 19/50 - Proteins
Patent holdings for IPC class D21H 19/50
Total number of patents in this class: 52
10-year publication summary
0
|
4
|
8
|
5
|
4
|
3
|
5
|
3
|
2
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
WestRock MWV, LLC | 335 |
9 |
Kemira Oyj | 1167 |
3 |
The Penn State Research Foundation | 1423 |
3 |
Gelita AG | 219 |
2 |
Johns Manville | 980 |
2 |
Solenis Technologies, L.P. | 306 |
2 |
University of Maine System Board of Trustees | 261 |
2 |
PAPACKS SALES GmbH | 28 |
2 |
Lactips | 9 |
2 |
Université Paris Cité | 620 |
2 |
Société des Produits Nestlé S.A. | 9672 |
1 |
Hewlett-Packard Development Company, L.P. | 28538 |
1 |
Dow Global Technologies LLC | 10147 |
1 |
President and Fellows of Harvard College | 5792 |
1 |
Algix, LLC | 22 |
1 |
Auburn University | 506 |
1 |
Billerudkorsnas AB | 91 |
1 |
Buckman Laboratories International, Inc. | 244 |
1 |
Cargill, Incorporated | 2835 |
1 |
Cerealus Holdings, LLC | 6 |
1 |
Other owners | 13 |