- All sections
- C - Chemistry; metallurgy
- C08J - Working-up; general processes of compounding; after-treatment not covered by subclasses , , , or
- C08J 9/26 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
Patent holdings for IPC class C08J 9/26
Total number of patents in this class: 719
10-year publication summary
|
52
|
57
|
54
|
81
|
61
|
64
|
61
|
47
|
49
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6652 |
58 |
| Nitto Denko Corporation | 7879 |
54 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
29 |
| Tokyo Ohka Kogyo Co., Ltd. | 1481 |
22 |
| Sumitomo Chemical Company, Limited | 8808 |
19 |
| NuVasive, Inc. | 1001 |
19 |
| FUJIFILM Corporation | 27102 |
14 |
| Teijin Limited | 1216 |
13 |
| FUJIFILM Business Innovation Corp. | 7395 |
11 |
| Tonen Chemical Corporation | 61 |
10 |
| Toray Battery Separator Film Co., Ltd. | 59 |
10 |
| Allergan, Inc. | 2600 |
9 |
| 3m Innovative Properties Company | 18406 |
8 |
| University of Florida Research Foundation, Inc. | 3883 |
8 |
| Cytosorbents Corporation | 95 |
8 |
| Board of Regents, The University of Texas System | 5370 |
7 |
| Emaus Kyoto, Inc. | 15 |
7 |
| Kyoto University | 2732 |
6 |
| Ethicon, Inc. | 1310 |
5 |
| DIC Corporation | 3597 |
5 |
| Other owners | 397 |