- 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 11/00 - Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
Patent holdings for IPC class D21H 11/00
Total number of patents in this class: 437
10-year publication summary
|
29
|
23
|
18
|
23
|
26
|
25
|
10
|
19
|
20
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Procter & Gamble Company | 21999 |
35 |
| GPCP IP Holdings LLC | 1624 |
19 |
| Kimberly-clark Worldwide, Inc. | 5405 |
16 |
| Stora Enso Oyj | 1657 |
16 |
| International Paper Company | 780 |
14 |
| W. R. Meadows, Inc. | 15 |
13 |
| Mercer International Inc. | 30 |
13 |
| Solenis Technologies, L.P. | 335 |
12 |
| Ecolab USA Inc. | 5578 |
8 |
| First Quality Tissue, LLC | 155 |
8 |
| Nippon Paper Industries Co., Ltd. | 833 |
8 |
| Lenzing Aktiengesellschaft | 517 |
7 |
| Suzano Canada Inc. | 33 |
6 |
| Domtar Paper Company, LLC | 122 |
5 |
| Mondi AG | 179 |
5 |
| Oji Holdings Corporation | 739 |
5 |
| Buckman Laboratories International, Inc. | 242 |
4 |
| delfortgroup AG | 151 |
4 |
| General Mills, Inc. | 994 |
4 |
| Mayr-Melnhof Karton Aktiengesellschaft | 225 |
4 |
| Other owners | 231 |