- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 15/20 - Anti-oxidant compositionsCompositions 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: 107
10-year publication summary
13
|
7
|
8
|
7
|
13
|
11
|
7
|
12
|
6
|
1
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Ecolab USA Inc. | 5361 |
7 |
Streck LLC | 125 |
6 |
Adeka Corporation | 1347 |
5 |
Instituto Mexicano Del Petroleo | 218 |
4 |
BASF SE | 20458 |
3 |
Astex Therapeutics Limited | 250 |
3 |
Clariant International Ltd. | 953 |
3 |
Dorf Ketal Chemicals (India) Private Limited | 79 |
3 |
Koch Agronomic Services, LLC | 235 |
3 |
Baker Hughes Holdings LLC | 3009 |
3 |
Soilgenic Technologies, LLC | 53 |
3 |
Dow Global Technologies LLC | 10177 |
2 |
Ajinomoto Co., Inc. | 2314 |
2 |
Eastman Chemical Company | 2261 |
2 |
Elkimia, Inc. | 8 |
2 |
EuroChem Agro GmbH | 53 |
2 |
IHI Corporation | 3367 |
2 |
King Fahd University of Petroleum and Minerals | 1032 |
2 |
Nufarm UK Limited | 17 |
2 |
Evonik Operations GmbH | 4030 |
2 |
Other owners | 46 |