- 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 19/14 - Coatings without pigments applied in a form other than the aqueous solution defined in group
Patent holdings for IPC class D21H 19/14
Total number of patents in this class: 115
10-year publication summary
|
7
|
7
|
9
|
11
|
4
|
10
|
8
|
10
|
14
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shanghai Hengyuan Macromolecular Materials Co.,Ltd. | 19 |
6 |
| The Procter & Gamble Company | 21919 |
5 |
| Papeltec Overseas, Inc. | 42 |
5 |
| Kimberly-clark Worldwide, Inc. | 5298 |
4 |
| China Tobacco Yunnan Industrial Co., Ltd. | 271 |
3 |
| Kemira Oyj | 1244 |
3 |
| KT & G Corporation | 3019 |
3 |
| Oy Separation Research AB | 3 |
3 |
| University of Maine System Board of Trustees | 277 |
3 |
| Detectachem, Inc. | 18 |
3 |
| E. I. du Pont de Nemours and Company | 3632 |
2 |
| Ecolab USA Inc. | 5753 |
2 |
| General Mills, Inc. | 1023 |
2 |
| Nalco Company | 542 |
2 |
| Omya International AG | 778 |
2 |
| Ahlstrom Oyj | 194 |
2 |
| Graphic Packaging International, LLC | 1583 |
2 |
| Proampac Holdings Inc. | 143 |
2 |
| ACE Packaging NV | 8 |
2 |
| Main Choice Paper Products Limited | 4 |
2 |
| Other owners | 57 |