- 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 17/14 - Carboxylic acidsDerivatives thereof
Patent holdings for IPC class D21H 17/14
Total number of patents in this class: 198
10-year publication summary
|
7
|
6
|
10
|
13
|
12
|
23
|
22
|
13
|
13
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1657 |
20 |
| Kemira Oyj | 1217 |
19 |
| Ecolab USA Inc. | 5578 |
6 |
| Omya International AG | 771 |
6 |
| Soane Materials LLC | 22 |
6 |
| AGC Chemicals Americas, Inc. | 42 |
5 |
| Chemstone, Inc. | 24 |
5 |
| Daio Paper Corporation | 1390 |
4 |
| OrganoClick AB | 71 |
4 |
| GPCP IP Holdings LLC | 1624 |
4 |
| CheM&P GmbH & Co. KG | 4 |
4 |
| Greentech Global Pte. Ltd. | 20 |
4 |
| Centre National de La Recherche Scientifique | 10645 |
3 |
| Green Products & Technologies, L.L.C. | 38 |
3 |
| International Paper Company | 780 |
3 |
| KT & G Corporation | 2720 |
3 |
| Metsa Fibre Oy | 39 |
3 |
| Miyoshi Oil & Fat Co., Ltd. | 102 |
3 |
| State Line Holdings, LLC | 4 |
3 |
| Essity Hygiene and Health Aktiebolag | 2046 |
3 |
| Other owners | 87 |