- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 15/02 - Anti-oxidant compositions; Compositions inhibiting chemical change containing inorganic compounds
Patent holdings for IPC class C09K 15/02
Total number of patents in this class: 129
10-year publication summary
7
|
7
|
6
|
14
|
11
|
15
|
12
|
11
|
6
|
0
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
ChemTreat, Inc. | 207 |
7 |
Toray Industries, Inc. | 6848 |
6 |
Nippon Steel Corporation | 6000 |
5 |
Ecolab USA Inc. | 5338 |
4 |
Hyundai Motor Company | 20442 |
3 |
Adeka Corporation | 1341 |
3 |
Mitsubishi Gas Chemical Company, Inc. | 3345 |
3 |
Dorf Ketal Chemicals FZE | 240 |
3 |
Solaires Enterprises Inc. | 6 |
3 |
E. I. du Pont de Nemours and Company | 4251 |
2 |
PPG Industries Ohio, Inc. | 3444 |
2 |
Kia Motors Corporation | 7777 |
2 |
Arch Wood Protection, Inc. | 90 |
2 |
M & G Polimeri Italia S.p.A. | 17 |
2 |
Multisorb Technologies, Inc. | 182 |
2 |
Nippon Steel & Sumitomo Metal Corporation | 1988 |
2 |
Research & Business Foundation Sungkyunkwan University | 1787 |
2 |
Yara International ASA | 799 |
2 |
Laboratoire CIR Inc | 6 |
2 |
Maxterial, Inc. | 59 |
2 |
Other owners | 70 |