- 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: 834
10-year publication summary
|
58
|
55
|
59
|
55
|
83
|
53
|
70
|
44
|
52
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekisui Chemical Co., Ltd. | 3429 |
39 |
| Evonik Operations GmbH | 4117 |
25 |
| Nitto Denko Corporation | 8246 |
23 |
| Dow Global Technologies LLC | 10349 |
23 |
| Kaneka Corporation | 4529 |
19 |
| Sekisui Plastics Co., Ltd. | 333 |
19 |
| BASF SE | 20915 |
18 |
| LG Chem, Ltd. | 17639 |
16 |
| Honeywell International Inc. | 13567 |
15 |
| Kyoraku Co., Ltd. | 502 |
15 |
| ExxonMobil Chemical Patents Inc. | 3976 |
13 |
| Toyobo Co., Ltd. | 2499 |
12 |
| Mitsui Chemicals, Inc. | 3220 |
11 |
| Bayer MaterialScience LLC | 158 |
10 |
| Sumitomo Chemical Company, Limited | 9049 |
8 |
| U.S. Bank National Association | 714 |
8 |
| The Procter & Gamble Company | 22035 |
7 |
| Bridgestone Corporation | 7237 |
7 |
| JSR Corporation | 2527 |
7 |
| Denka Company Limited | 2585 |
7 |
| Other owners | 532 |