- 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 17/31 - Gums
Patent holdings for IPC class D21H 17/31
Total number of patents in this class: 37
10-year publication summary
|
3
|
3
|
3
|
2
|
1
|
4
|
2
|
0
|
6
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kemira Oyj | 1259 |
6 |
| Centre National de La Recherche Scientifique | 11042 |
5 |
| OrganoClick AB | 70 |
3 |
| delfortgroup AG | 156 |
2 |
| Ecolab USA Inc. | 5807 |
2 |
| Pratt Corrugated Holdings, Inc. | 322 |
2 |
| Stora Enso Oyj | 1650 |
2 |
| SNF Group | 408 |
2 |
| The Clorox Company | 945 |
1 |
| Corn Products Development, Inc. | 686 |
1 |
| Corn Products Development, Inc. (Incorporated in DE) | 1 |
1 |
| Daio Paper Corporation | 1410 |
1 |
| Ingredion Incorporated | 5 |
1 |
| Institut Polytechnique de Grenoble | 427 |
1 |
| KT & G Corporation | 3132 |
1 |
| Nalco Company | 535 |
1 |
| Universite Grenoble Alpes | 778 |
1 |
| SWM Luxembourg | 80 |
1 |
| Republic Technologies (North America) LLC | 4 |
1 |
| Vegskin | 1 |
1 |
| Other owners | 1 |