- All sections
- C - Chemistrymetallurgy
- C08J - Working-upgeneral processes of compoundingafter-treatment not covered by subclasses , , , or
- C08J 9/30 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by mixing gases into liquid compositions or plastisols, e.g. frothing with air
Patent holdings for IPC class C08J 9/30
Total number of patents in this class: 383
10-year publication summary
|
25
|
14
|
28
|
27
|
28
|
29
|
26
|
23
|
23
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 4118 |
20 |
| Stora Enso Oyj | 1661 |
17 |
| Eastman Kodak Company | 2816 |
14 |
| Nitto Denko Corporation | 8352 |
14 |
| Evonik Operations GmbH | 4186 |
12 |
| BASF SE | 21071 |
11 |
| Dow Global Technologies LLC | 10494 |
10 |
| INOAC Corporation | 208 |
10 |
| Saint-Gobain Isover | 644 |
9 |
| Bayer MaterialScience AG | 774 |
8 |
| The Procter & Gamble Company | 22003 |
7 |
| Dow Global Technologies Inc. | 790 |
6 |
| Devicor Medical Products, Inc. | 460 |
5 |
| DIC Corporation | 3827 |
5 |
| Owens Corning Intellectual Capital, LLC | 1624 |
5 |
| Ethicon, Inc. | 1168 |
4 |
| Eth Zurich | 1297 |
4 |
| Sealed Air Corporation (US) | 533 |
4 |
| Sekisui Chemical Co., Ltd. | 3477 |
4 |
| Yupo Corporation | 237 |
4 |
| Other owners | 210 |