- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 1/26 - Cellulose ethers
Patent holdings for IPC class C08L 1/26
Total number of patents in this class: 186
10-year publication summary
|
17
|
9
|
15
|
20
|
11
|
10
|
8
|
6
|
10
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Paper Industries Co., Ltd. | 782 |
14 |
| Dow Global Technologies LLC | 10147 |
11 |
| Kao Corporation | 4843 |
10 |
| Hercules LLC | 231 |
7 |
| Konica Minolta, Inc. | 8349 |
4 |
| Lotte Fine Chemical Co., Ltd. | 100 |
4 |
| Samsung Fine Chemicals Co., Ltd. | 181 |
4 |
| International Business Machines Corporation | 60644 |
3 |
| FUJIFILM Corporation | 27102 |
3 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
3 |
| Ethicon, Inc. | 1310 |
3 |
| Johnson & Johnson China Limited | 6 |
3 |
| Kyoto University | 2732 |
3 |
| Masonite Corporation | 461 |
3 |
| Organofuel Sweden AB | 20 |
3 |
| Agc, Inc. | 4029 |
3 |
| DDP Specialty Electronic Materials US, LLC | 442 |
3 |
| Nutrition & Biosciences USA 1, LLC | 186 |
3 |
| Illinois Tool Works Inc. | 11152 |
2 |
| LG Chem, Ltd. | 17205 |
2 |
| Other owners | 95 |