- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 15/20 - Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing nitrogen and oxygen
Patent holdings for IPC class C09K 15/20
Total number of patents in this class: 104
10-year publication summary
|
9
|
13
|
7
|
8
|
7
|
12
|
11
|
7
|
12
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5190 |
6 |
| Adeka Corporation | 1333 |
5 |
| Streck LLC | 122 |
5 |
| Instituto Mexicano Del Petroleo | 213 |
4 |
| BASF SE | 19740 |
3 |
| Astex Therapeutics Limited | 267 |
3 |
| Clariant International Ltd. | 978 |
3 |
| Dorf Ketal Chemicals (India) Private Limited | 81 |
3 |
| Koch Agronomic Services, LLC | 239 |
3 |
| Dow Global Technologies LLC | 10147 |
2 |
| Ajinomoto Co., Inc. | 2337 |
2 |
| Eastman Chemical Company | 2239 |
2 |
| Elkimia, Inc. | 7 |
2 |
| EuroChem Agro GmbH | 54 |
2 |
| IHI Corporation | 3268 |
2 |
| King Fahd University of Petroleum and Minerals | 779 |
2 |
| Nufarm UK Limited | 17 |
2 |
| Evonik Operations GmbH | 3879 |
2 |
| Baker Hughes Holdings LLC | 3060 |
2 |
| Soilgenic Technologies, LLC | 45 |
2 |
| Other owners | 47 |