- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 3/18 - Oxygen-containing compounds, e.g. metal carbonyls
Patent holdings for IPC class C08K 3/18
Total number of patents in this class: 249
10-year publication summary
|
22
|
14
|
20
|
15
|
14
|
15
|
8
|
9
|
9
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 9006 |
5 |
| 3m Innovative Properties Company | 17998 |
4 |
| BASF SE | 20519 |
4 |
| INEOS Styrolution Group GmbH | 343 |
4 |
| Kuraray Co., Ltd. | 3478 |
4 |
| PT SPE Subco LLC | 44 |
4 |
| PT SPE Topco LLC | 25 |
4 |
| E. I. du Pont de Nemours and Company | 4246 |
3 |
| The Boeing Company | 19946 |
3 |
| Boehringer Ingelheim International GmbH | 4754 |
3 |
| Shin-Etsu Chemical Co., Ltd. | 5479 |
3 |
| Mitsui Chemicals, Inc. | 3186 |
3 |
| Mitsubishi Chemical Corporation | 4459 |
3 |
| Bioastra Technologies Inc. | 10 |
3 |
| The Chemours Company Fc, LLC | 1167 |
3 |
| DIC Corporation | 3692 |
3 |
| Queen's University at Kingston | 535 |
3 |
| Zeon Corporation | 4009 |
3 |
| SHPP Global Technologies B.V. | 1058 |
3 |
| Johnson & Johnson Vision Care, Inc. | 1225 |
2 |
| Other owners | 182 |