- 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 13/30 - Non-cellulose polysaccharides
Patent holdings for IPC class D21H 13/30
Total number of patents in this class: 38
10-year publication summary
|
3
|
12
|
2
|
2
|
4
|
3
|
4
|
5
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 22037 |
17 |
| Oji Holdings Corporation | 717 |
3 |
| Nutrition & Biosciences USA 4, Inc. | 224 |
3 |
| Paptic Oy | 29 |
2 |
| Paptic Ltd | 6 |
2 |
| 3m Innovative Properties Company | 17857 |
1 |
| Seiko Epson Corporation | 19319 |
1 |
| Mitsubishi Electric Corporation | 45962 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10924 |
1 |
| Arizona Board of Regents on behalf of Arizona State University | 2605 |
1 |
| Fiber Tech Co., Ltd. | 6 |
1 |
| Hoffmaster Group, Inc. | 141 |
1 |
| Solenis Technologies, L.P. | 334 |
1 |
| South China University of Technology | 1781 |
1 |
| Cerdia International GmbH | 40 |
1 |
| Don Jia Poly Plastic Ltd. | 1 |
1 |
| Other owners | 0 |