- All sections
- C - Chemistrymetallurgy
- C08J - Working-upgeneral processes of compoundingafter-treatment not covered by subclasses , , , or
- C08J 9/26 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-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: 766
10-year publication summary
|
54
|
81
|
61
|
66
|
65
|
47
|
50
|
43
|
31
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7149 |
67 |
| Nitto Denko Corporation | 8589 |
58 |
| Asahi Kasei Kabushiki Kaisha | 2860 |
26 |
| Tokyo Ohka Kogyo Co., Ltd. | 1556 |
26 |
| NuVasive, Inc. | 968 |
20 |
| Teijin Limited | 1297 |
19 |
| Sumitomo Chemical Company, Limited | 8965 |
16 |
| FUJIFILM Corporation | 30689 |
14 |
| University of Florida Research Foundation, Inc. | 4207 |
11 |
| FUJIFILM Business Innovation Corp. | 8039 |
11 |
| Toray Battery Separator Film Co., Ltd. | 58 |
10 |
| Allergan, Inc. | 2148 |
8 |
| Board of Regents, The University of Texas System | 6172 |
8 |
| Cytosorbents Corporation | 91 |
7 |
| DIC Corporation | 3995 |
6 |
| Kyoto University | 2934 |
6 |
| 3m Innovative Properties Company | 17455 |
5 |
| Ethicon, Inc. | 1117 |
5 |
| Emaus Kyoto, Inc. | 13 |
5 |
| Eth Zurich | 1330 |
5 |
| Other owners | 433 |