- 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: 748
10-year publication summary
|
53
|
54
|
75
|
60
|
65
|
63
|
44
|
48
|
42
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6974 |
63 |
| Nitto Denko Corporation | 8273 |
56 |
| Asahi Kasei Kabushiki Kaisha | 2682 |
25 |
| Tokyo Ohka Kogyo Co., Ltd. | 1545 |
24 |
| Sumitomo Chemical Company, Limited | 9051 |
19 |
| NuVasive, Inc. | 965 |
19 |
| Teijin Limited | 1250 |
19 |
| FUJIFILM Corporation | 29506 |
14 |
| FUJIFILM Business Innovation Corp. | 7620 |
11 |
| Toray Battery Separator Film Co., Ltd. | 58 |
10 |
| Allergan, Inc. | 2339 |
9 |
| University of Florida Research Foundation, Inc. | 4044 |
9 |
| Board of Regents, The University of Texas System | 5841 |
8 |
| Tonen Chemical Corporation | 53 |
8 |
| 3m Innovative Properties Company | 17812 |
7 |
| Cytosorbents Corporation | 95 |
7 |
| DIC Corporation | 3810 |
6 |
| Kyoto University | 2808 |
6 |
| Ethicon, Inc. | 1174 |
5 |
| Emaus Kyoto, Inc. | 13 |
5 |
| Other owners | 418 |