- 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 13/14 - Polyalkenes, e.g. polystyrene
Patent holdings for IPC class D21H 13/14
Total number of patents in this class: 73
10-year publication summary
|
2
|
10
|
2
|
8
|
9
|
8
|
7
|
5
|
2
|
4
|
| 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 |
14 |
| The Clorox Company | 952 |
5 |
| Paptic Oy | 29 |
5 |
| Essity Hygiene and Health Aktiebolag | 2048 |
3 |
| E. I. du Pont de Nemours and Company | 3905 |
2 |
| Asahi Kasei Fibers Corporation | 98 |
2 |
| BAUMHUETER EXTRUSION GmbH | 4 |
2 |
| ES FiberVisions ApS | 37 |
2 |
| ES FiberVisions Co., Ltd. | 39 |
2 |
| ES FiberVisions LP | 40 |
2 |
| KT & G Corporation | 2728 |
2 |
| Ahlstrom Oyj | 118 |
2 |
| Fybervek Holdings LLC | 4 |
2 |
| Dow Global Technologies LLC | 10518 |
1 |
| Arjowiggins Security | 123 |
1 |
| Carl Freudenberg KG | 1388 |
1 |
| delfortgroup AG | 151 |
1 |
| Eastman Chemical Company | 2212 |
1 |
| ES FiberVisions Hong Kong Limited | 28 |
1 |
| ES FiberVisions Hong Kong Limited | 11 |
1 |
| Other owners | 21 |