- All sections
- C - Chemistrymetallurgy
- 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: 68
10-year publication summary
|
8
|
13
|
3
|
2
|
0
|
3
|
3
|
2
|
3
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30514 |
16 |
| Dow Global Technologies LLC | 10944 |
10 |
| Shin-Etsu Chemical Co., Ltd. | 6096 |
9 |
| Hercules LLC | 229 |
3 |
| Nutrition & Biosciences USA 1, LLC | 215 |
3 |
| Asahi Kasei Kabushiki Kaisha | 2833 |
2 |
| The Japan Steel Works, Ltd. | 826 |
2 |
| Pharmpur GmbH | 15 |
2 |
| ATTACCATO Limited Liability Company | 16 |
2 |
| GCF US Holdings LLC | 140 |
2 |
| Kimberly-clark Worldwide, Inc. | 5308 |
1 |
| Seiko Epson Corporation | 20256 |
1 |
| Eastman Kodak Company | 2603 |
1 |
| Corning Incorporated | 10504 |
1 |
| Akzo Nobel Chemicals International B.V. | 418 |
1 |
| Companhia Nitro Química Brasileira | 8 |
1 |
| Daicel Corporation | 2523 |
1 |
| Eastman Chemical Company | 2087 |
1 |
| Gelesis LLC | 28 |
1 |
| Hercules Incorporated | 114 |
1 |
| Other owners | 7 |