- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 1/32 - Cellulose ether-esters
Patent holdings for IPC class C08L 1/32
Total number of patents in this class: 64
10-year publication summary
|
9
|
8
|
13
|
3
|
2
|
0
|
3
|
3
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 28467 |
16 |
| Dow Global Technologies LLC | 10139 |
10 |
| Shin-Etsu Chemical Co., Ltd. | 5437 |
8 |
| Hercules LLC | 233 |
3 |
| Nutrition & Biosciences USA 1, LLC | 200 |
3 |
| Asahi Kasei Kabushiki Kaisha | 2555 |
2 |
| International Paper Company | 812 |
2 |
| Pharmpur GmbH | 15 |
2 |
| Kimberly-clark Worldwide, Inc. | 5519 |
1 |
| Seiko Epson Corporation | 18966 |
1 |
| Eastman Kodak Company | 3045 |
1 |
| Corning Incorporated | 10087 |
1 |
| Akzo Nobel Chemicals International B.V. | 480 |
1 |
| Companhia Nitro Química Brasileira | 8 |
1 |
| Eastman Chemical Company | 2252 |
1 |
| Gelesis LLC | 32 |
1 |
| Hercules Incorporated | 154 |
1 |
| The Japan Steel Works, Ltd. | 689 |
1 |
| Lotte Fine Chemical Co., Ltd. | 103 |
1 |
| Wood Coatings Research Group, Inc. | 6 |
1 |
| Other owners | 6 |