- 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 17/36 - PolyalkenylalcoholsPolyalkenylethersPolyalkenylesters
Patent holdings for IPC class D21H 17/36
Total number of patents in this class: 202
10-year publication summary
|
11
|
17
|
20
|
13
|
8
|
12
|
22
|
15
|
16
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kemira Oyj | 1197 |
10 |
| Ecolab USA Inc. | 5456 |
8 |
| Kuraray Co., Ltd. | 3491 |
8 |
| Solenis Technologies, L.P. | 331 |
8 |
| Henkel AG & Co. KGaA | 10482 |
7 |
| International Paper Company | 791 |
7 |
| Soane Materials LLC | 20 |
6 |
| Kimberly-clark Worldwide, Inc. | 5509 |
5 |
| Hewlett-Packard Development Company, L.P. | 25940 |
5 |
| Stora Enso Oyj | 1616 |
5 |
| The Procter & Gamble Company | 22050 |
4 |
| First Quality Tissue, LLC | 156 |
4 |
| Mondi AG | 154 |
4 |
| GPCP IP Holdings LLC | 1642 |
4 |
| BASF SE | 20803 |
3 |
| Kurita Water Industries Ltd. | 1187 |
3 |
| Paptic Oy | 29 |
3 |
| Centre National de La Recherche Scientifique | 10350 |
2 |
| Billerud AB | 118 |
2 |
| Buckman Laboratories International, Inc. | 235 |
2 |
| Other owners | 102 |