- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 15/02 - Anti-oxidant compositionsCompositions inhibiting chemical change containing inorganic compounds
Patent holdings for IPC class C09K 15/02
Total number of patents in this class: 131
10-year publication summary
|
7
|
6
|
14
|
11
|
15
|
12
|
11
|
10
|
6
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ChemTreat, Inc. | 282 |
12 |
| Toray Industries, Inc. | 7111 |
6 |
| Nippon Steel Corporation | 6895 |
5 |
| Ecolab USA Inc. | 5803 |
4 |
| Rockwool A/S | 838 |
4 |
| Hyundai Motor Company | 24703 |
3 |
| Adeka Corporation | 1379 |
3 |
| Mitsubishi Gas Chemical Company, Inc. | 3624 |
3 |
| Yara International ASA | 901 |
3 |
| Maxterial, Inc. | 47 |
3 |
| Championx LLC | 641 |
3 |
| Solaires Enterprises Inc. | 6 |
3 |
| Kia Motors Corporation | 7718 |
2 |
| Arch Wood Protection, Inc. | 87 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
2 |
| Research & Business Foundation Sungkyunkwan University | 2175 |
2 |
| Samsung Electronics Co., Ltd. | 157946 |
1 |
| Baker Hughes Incorporated | 4927 |
1 |
| LG Chem, Ltd. | 17929 |
1 |
| Panasonic Electric Works Co., Ltd. | 651 |
1 |
| Other owners | 67 |