- 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: 72
10-year publication summary
2
|
10
|
2
|
8
|
9
|
8
|
7
|
5
|
2
|
3
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
The Procter & Gamble Company | 22006 |
14 |
The Clorox Company | 956 |
5 |
Paptic Oy | 29 |
5 |
Essity Hygiene and Health Aktiebolag | 2050 |
3 |
E. I. du Pont de Nemours and Company | 3988 |
2 |
Asahi Kasei Fibers Corporation | 99 |
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 | 2665 |
2 |
Ahlstrom Oyj | 109 |
2 |
Fybervek Holdings LLC | 4 |
2 |
Dow Global Technologies LLC | 10437 |
1 |
Arjowiggins Security | 125 |
1 |
Carl Freudenberg KG | 1372 |
1 |
delfortgroup AG | 151 |
1 |
Eastman Chemical Company | 2207 |
1 |
ES FiberVisions Hong Kong Limited | 28 |
1 |
ES FiberVisions Hong Kong Limited | 11 |
1 |
Other owners | 20 |