- All sections
- C - Chemistrymetallurgy
- C08J - Working-upgeneral processes of compoundingafter-treatment not covered by subclasses , , , or
- C08J 9/04 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent
Patent holdings for IPC class C08J 9/04
Total number of patents in this class: 875
10-year publication summary
|
55
|
60
|
55
|
83
|
54
|
72
|
46
|
52
|
45
|
35
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekisui Chemical Co., Ltd. | 3626 |
38 |
| Nitto Denko Corporation | 8550 |
27 |
| Evonik Operations GmbH | 4380 |
24 |
| Dow Global Technologies LLC | 10981 |
23 |
| Kaneka Corporation | 4725 |
19 |
| Sekisui Plastics Co., Ltd. | 323 |
19 |
| LG Chem, Ltd. | 17937 |
18 |
| BASF SE | 21310 |
17 |
| Kyoraku Co., Ltd. | 517 |
16 |
| Honeywell International Inc. | 12776 |
13 |
| ExxonMobil Chemical Patents Inc. | 3773 |
13 |
| Toyobo Co., Ltd. | 2534 |
12 |
| Bayer MaterialScience LLC | 126 |
10 |
| Mitsui Chemicals, Inc. | 3253 |
10 |
| Sumitomo Chemical Company, Limited | 8963 |
8 |
| JSR Corporation | 2561 |
8 |
| Denka Company Limited | 2738 |
8 |
| U.S. Bank National Association | 770 |
8 |
| The Procter & Gamble Company | 21853 |
7 |
| Bridgestone Corporation | 7280 |
7 |
| Other owners | 570 |