- 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 17/27 - Esters thereof
Patent holdings for IPC class D21H 17/27
Total number of patents in this class: 39
10-year publication summary
|
4
|
0
|
2
|
2
|
0
|
3
|
3
|
3
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GPCP IP Holdings LLC | 1530 |
12 |
| Kemira Oyj | 1258 |
8 |
| Solenis Technologies, L.P. | 304 |
4 |
| Mitsubishi Chemical Corporation | 4721 |
1 |
| Corn Products Development, Inc. (Incorporated in DE) | 1 |
1 |
| delfortgroup AG | 156 |
1 |
| Eastman Chemical Company | 2081 |
1 |
| Ecolab USA Inc. | 5792 |
1 |
| Ingredion Incorporated | 5 |
1 |
| Omya International AG | 777 |
1 |
| OrganoClick AB | 70 |
1 |
| Teknologian Tutkimuskeskus VTT | 259 |
1 |
| UPM-Kymmene Oyj | 51 |
1 |
| Yokogawa Electric Corporation | 1889 |
1 |
| Nutrition & Biosciences USA 1, LLC | 215 |
1 |
| Bracell Bahia Specialty Cellulose SA | 5 |
1 |
| Nice-pak Products, LLC | 59 |
1 |
| GCF US Holdings LLC | 140 |
1 |
| Other owners | 0 |