- 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 17/32 - Guar gum
Patent holdings for IPC class D21H 17/32
Total number of patents in this class: 26
10-year publication summary
|
1
|
4
|
4
|
3
|
2
|
1
|
0
|
4
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1643 |
5 |
| Omya International AG | 774 |
3 |
| CheM&P GmbH & Co. KG | 4 |
3 |
| Kemira Oyj | 1205 |
2 |
| KT & G Corporation | 2647 |
2 |
| Corn Products Development, Inc. (Incorporated in DE) | 1 |
1 |
| Cyclewood Solutions, Inc. | 9 |
1 |
| delfortgroup AG | 151 |
1 |
| DuPont Nutrition Biosciences ApS | 477 |
1 |
| Ecolab USA Inc. | 5491 |
1 |
| Ingredion Incorporated | 5 |
1 |
| Kemira Chemicals, Inc. | 79 |
1 |
| S.p.c.m. SA | 240 |
1 |
| CHT Germany GmbH | 90 |
1 |
| SWM Luxembourg | 85 |
1 |
| Don Jia Poly Plastic Ltd. | 1 |
1 |
| Other owners | 0 |