- All sections
- D - Textilespaper
- D21C - Production of cellulose by removing non-cellulose substances from cellulose- containing materialsregeneration of pulping liquorsapparatus therefor
- D21C 1/10 - Physical methods for facilitating impregnation
Patent holdings for IPC class D21C 1/10
Total number of patents in this class: 99
10-year publication summary
|
10
|
1
|
7
|
5
|
3
|
3
|
7
|
8
|
8
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kimberly-clark Worldwide, Inc. | 5423 |
12 |
| Valmet AB | 519 |
7 |
| Iogen Energy Corporation | 90 |
5 |
| Comet BioRefining Inc. | 25 |
5 |
| Andritz Inc. | 331 |
4 |
| Ch-bioforce Oy | 22 |
4 |
| Sekab E-Technology AB | 78 |
4 |
| WestRock MWV, LLC | 338 |
3 |
| Biofiber Tech Sweden AB | 7 |
3 |
| AB Bln-woods Ltd | 3 |
2 |
| Board of Trustees of Michigan State University | 1200 |
2 |
| Domtar Inc. | 128 |
2 |
| The Michigan Biotechnology Institute d/b/a MBI | 2 |
2 |
| National Research Council of Canada | 1554 |
2 |
| Renmatix, Inc. | 131 |
2 |
| GreenKey LLC | 3 |
2 |
| Releaf Paper France SAS | 3 |
2 |
| Biofuel Technology Holding ApS | 6 |
2 |
| The Procter & Gamble Company | 21996 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 32139 |
1 |
| Other owners | 32 |