- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 15/24 - Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing nitrogen and oxygen containing a phenol or quinone moiety
Patent holdings for IPC class C09K 15/24
Total number of patents in this class: 39
10-year publication summary
|
3
|
4
|
2
|
1
|
3
|
5
|
1
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dorf Ketal Chemicals (India) Private Limited | 81 |
10 |
| Polnox Corporation | 28 |
4 |
| BASF SE | 19740 |
3 |
| Ecolab USA Inc. | 5190 |
3 |
| F. Hoffmann-La Roche AG | 7958 |
2 |
| 3m Innovative Properties Company | 18406 |
2 |
| Honeywell International Inc. | 13799 |
2 |
| Monument Chemical Kentucky, LLC | 13 |
2 |
| Roche Diagnostics GmbH | 2745 |
1 |
| Roche Diagnostics Operations, Inc. | 1375 |
1 |
| DSM IP Assets B.V. | 5856 |
1 |
| Afton Chemical Corporation | 468 |
1 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
1 |
| Dow Corning Toray Co., Ltd. | 562 |
1 |
| Eastman Chemical Company | 2239 |
1 |
| Fujimi Incorporated | 676 |
1 |
| The Lubrizol Corporation | 1335 |
1 |
| BYK USA Inc. | 19 |
1 |
| a J Scientific Pty Ltd | 1 |
1 |
| Other owners | 0 |