- All sections
- C - Chemistrymetallurgy
- C08B - Polysaccharidesderivatives thereof
- C08B 11/20 - Post-etherification treatments, including purification
Patent holdings for IPC class C08B 11/20
Total number of patents in this class: 176
10-year publication summary
|
23
|
9
|
11
|
8
|
12
|
12
|
8
|
10
|
5
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10341 |
33 |
| Shin-Etsu Chemical Co., Ltd. | 5587 |
24 |
| Nutrition & Biosciences USA 1, LLC | 202 |
12 |
| DDP Specialty Electronic Materials US, LLC | 802 |
11 |
| Kao Corporation | 4941 |
6 |
| Dow Global Technologies Inc. | 856 |
4 |
| FzioMed, Inc. | 32 |
4 |
| Gelesis LLC | 29 |
4 |
| Lotte Fine Chemical Co., Ltd. | 102 |
4 |
| SE Tylose GmbH & Co. KG | 31 |
4 |
| Dow Silicones Corporation | 1885 |
4 |
| Union Carbide Corporation | 260 |
3 |
| ISP Investments Inc. | 466 |
3 |
| Teknologian Tutkimuskeskus VTT Oy | 524 |
3 |
| UPM-Kymmene Corporation | 932 |
3 |
| Virginia Tech Intellectual Properties, Inc. | 850 |
3 |
| BASF SE | 20758 |
2 |
| Union Carbide Chemicals & Plastics Technology LLC | 103 |
2 |
| Purdue Research Foundation | 3561 |
2 |
| Asahi Kasei Fibers Corporation | 99 |
2 |
| Other owners | 43 |