- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 15/08 - Anti-oxidant compositionsCompositions inhibiting chemical change containing organic compounds containing oxygen containing a phenol or quinone moiety
Patent holdings for IPC class C09K 15/08
Total number of patents in this class: 141
10-year publication summary
|
17
|
7
|
10
|
9
|
7
|
6
|
5
|
10
|
10
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 8992 |
13 |
| Ecolab USA Inc. | 5842 |
7 |
| Adeka Corporation | 1389 |
5 |
| Watanabe Oyster Laboratory Co., Ltd. | 34 |
5 |
| Dow Global Technologies LLC | 11072 |
4 |
| BL Technologies, Inc. | 838 |
3 |
| Infineum International Limited | 454 |
3 |
| Takasago International Corporation | 407 |
3 |
| Evonik Operations GmbH | 4443 |
3 |
| Blue Nose Technologies LLC | 4 |
3 |
| Kao Corporation | 5112 |
2 |
| Chevron Oronite Company LLC | 605 |
2 |
| Mitsubishi Chemical Corporation | 4767 |
2 |
| Allnex Belgium S.A. | 155 |
2 |
| Archer Daniels Midland Company | 1073 |
2 |
| Arkema Inc. | 1060 |
2 |
| Nalco Company | 528 |
2 |
| Namics Corporation | 502 |
2 |
| National University Corporation Hokkaido University | 1385 |
2 |
| Nufarm UK Limited | 17 |
2 |
| Other owners | 72 |