Patent holdings for IPC class D21H 19/14

Total number of patents in this class: 104

10-year publication summary

10
7
7
9
11
4
10
8
9
9
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Shanghai Hengyuan Macromolecular Materials Co.,Ltd.
19
6
The Procter & Gamble Company
22028
5
Kimberly-clark Worldwide, Inc.
5501
5
Papeltec Overseas, Inc.
35
4
China Tobacco Yunnan Industrial Co., Ltd.
250
3
KT & G Corporation
2624
3
Oy Separation Research AB
3
3
University of Maine System Board of Trustees
283
3
Detectachem, Inc.
18
3
E. I. du Pont de Nemours and Company
4089
2
General Mills, Inc.
1019
2
Nalco Company
563
2
Omya International AG
775
2
Graphic Packaging International, LLC
1478
2
ACE Packaging NV
7
2
Main Choice Paper Products Limited
4
2
Earthodic Pty Ltd
6
2
Conopco, Inc.
5017
1
BASF SE
20912
1
Xerox Corporation
7020
1
Other owners 50