- 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: 113
10-year publication summary
|
7
|
8
|
7
|
13
|
11
|
8
|
12
|
6
|
9
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ecolab USA Inc. | 5820 |
11 |
| Streck LLC | 119 |
6 |
| Adeka Corporation | 1383 |
5 |
| Instituto Mexicano Del Petroleo | 201 |
4 |
| BASF SE | 21320 |
3 |
| Astex Therapeutics Limited | 207 |
3 |
| Dorf Ketal Chemicals (India) Private Limited | 71 |
3 |
| Koch Agronomic Services, LLC | 194 |
3 |
| Baker Hughes Holdings LLC | 3015 |
3 |
| Entropy Inc. | 20 |
3 |
| Soilgenic Technologies, LLC | 60 |
3 |
| Ajinomoto Co., Inc. | 2282 |
2 |
| Clariant International Ltd. | 892 |
2 |
| Eastman Chemical Company | 2097 |
2 |
| EuroChem Agro GmbH | 52 |
2 |
| Fujimi Incorporated | 805 |
2 |
| IHI Corporation | 3534 |
2 |
| King Fahd University of Petroleum and Minerals | 1594 |
2 |
| Nufarm UK Limited | 17 |
2 |
| Omya International AG | 780 |
2 |
| Other owners | 48 |