- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 15/08 - Anti-oxidant compositions; Compositions 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: 142
10-year publication summary
|
11
|
19
|
17
|
7
|
10
|
9
|
6
|
6
|
5
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 8808 |
7 |
| Adeka Corporation | 1333 |
6 |
| Ecolab USA Inc. | 5190 |
5 |
| Watanabe Oyster Laboratory Co., Ltd. | 20 |
5 |
| DSM IP Assets B.V. | 5856 |
4 |
| Obagi Cosmeceuticals LLC | 149 |
4 |
| Dow Global Technologies LLC | 10147 |
3 |
| Nanophase Technologies Corporation | 47 |
3 |
| Takasago International Corporation | 406 |
3 |
| BASF SE | 19740 |
2 |
| Evonik Röhm GmbH | 452 |
2 |
| Kao Corporation | 4843 |
2 |
| Chevron Oronite Company LLC | 551 |
2 |
| Allnex Belgium S.A. | 144 |
2 |
| Archer Daniels Midland Company | 1164 |
2 |
| Arkema Inc. | 1075 |
2 |
| Infineum International Limited | 340 |
2 |
| Nalco Company | 620 |
2 |
| Namics Corporation | 393 |
2 |
| National University Corporation Hokkaido University | 1323 |
2 |
| Other owners | 80 |