- All sections
- C - Chemistry; metallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 3/24 - Acids; Salts thereof
Patent holdings for IPC class C08K 3/24
Total number of patents in this class: 487
10-year publication summary
|
36
|
32
|
31
|
45
|
37
|
36
|
28
|
31
|
25
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otsuka Chemical Co., Ltd. | 289 |
12 |
| Mitsubishi Gas Chemical Company, Inc. | 3343 |
11 |
| Sumitomo Metal Mining Co., Ltd. | 1726 |
11 |
| BASF SE | 20387 |
8 |
| FUJIFILM Corporation | 28506 |
7 |
| Ems-patent AG | 176 |
7 |
| Kuraray Co., Ltd. | 3463 |
7 |
| DIC Corporation | 3659 |
6 |
| Kingfa SCI & Tech Co. Ltd. | 576 |
6 |
| LG Chem, Ltd. | 17632 |
5 |
| Zeon Corporation | 3989 |
5 |
| Resonac Corporation | 2392 |
5 |
| E. I. du Pont de Nemours and Company | 4252 |
4 |
| Bridgestone Corporation | 7142 |
4 |
| Wisconsin Alumni Research Foundation | 3819 |
4 |
| DSM IP Assets B.V. | 5819 |
4 |
| Toray Industries, Inc. | 6843 |
4 |
| Adeka Corporation | 1340 |
4 |
| Arkema France | 3887 |
4 |
| Bemis Company, Inc. | 275 |
4 |
| Other owners | 365 |