- All sections
- C - Chemistrymetallurgy
- C08J - Working-upgeneral processes of compoundingafter-treatment not covered by subclasses , , , or
- C08J 9/28 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
Patent holdings for IPC class C08J 9/28
Total number of patents in this class: 1595
10-year publication summary
|
151
|
126
|
136
|
127
|
123
|
134
|
83
|
84
|
90
|
49
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7096 |
62 |
| Nitto Denko Corporation | 8526 |
48 |
| Aspen Aerogels, Inc. | 258 |
39 |
| BASF SE | 21303 |
35 |
| Blueshift Materials, Inc. | 82 |
33 |
| 3m Innovative Properties Company | 17488 |
29 |
| FUJIFILM Corporation | 30512 |
26 |
| Asahi Kasei Kabushiki Kaisha | 2828 |
24 |
| Toray Battery Separator Film Co., Ltd. | 58 |
24 |
| LG Chem, Ltd. | 17921 |
22 |
| Eastman Kodak Company | 2607 |
20 |
| Hitachi Chemical Company, Ltd. | 2245 |
17 |
| Stora Enso Oyj | 1648 |
17 |
| Centre National de La Recherche Scientifique | 11016 |
15 |
| Aerogel Technologies, LLC | 35 |
15 |
| The Procter & Gamble Company | 21861 |
14 |
| Daikin Industries, Ltd. | 10478 |
11 |
| Kaneka Corporation | 4693 |
11 |
| Technion Research & Development Foundation Ltd. | 1260 |
11 |
| PPG Industries Ohio, Inc. | 3329 |
10 |
| Other owners | 1112 |