- 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: 470
10-year publication summary
|
37
|
36
|
32
|
31
|
45
|
37
|
36
|
28
|
31
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Otsuka Chemical Co., Ltd. | 286 |
12 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
10 |
| Sumitomo Metal Mining Co., Ltd. | 1670 |
10 |
| BASF SE | 19740 |
8 |
| FUJIFILM Corporation | 27102 |
7 |
| Ems-patent AG | 177 |
7 |
| Kuraray Co., Ltd. | 3392 |
7 |
| DIC Corporation | 3597 |
6 |
| LG Chem, Ltd. | 17205 |
5 |
| Resonac Corporation | 2233 |
5 |
| E. I. du Pont de Nemours and Company | 4345 |
4 |
| Wisconsin Alumni Research Foundation | 3774 |
4 |
| DSM IP Assets B.V. | 5856 |
4 |
| Toray Industries, Inc. | 6652 |
4 |
| Adeka Corporation | 1333 |
4 |
| Arkema France | 3790 |
4 |
| Bemis Company, Inc. | 281 |
4 |
| Kingfa SCI & Tech Co. Ltd. | 509 |
4 |
| Oji Holdings Corporation | 660 |
4 |
| Sekisui Chemical Co., Ltd. | 3159 |
4 |
| Other owners | 353 |