- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/1535 - Five-membered rings
Patent holdings for IPC class C08K 5/1535
Total number of patents in this class: 347
10-year publication summary
|
39
|
26
|
22
|
38
|
23
|
33
|
22
|
23
|
20
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 20912 |
24 |
| Roquette Freres | 1027 |
13 |
| 3m Innovative Properties Company | 17852 |
12 |
| Konica Minolta Opto, Inc. | 1087 |
8 |
| Kingfa SCI & Tech Co. Ltd. | 631 |
8 |
| Dow Global Technologies LLC | 10353 |
7 |
| FUJIFILM Corporation | 29329 |
6 |
| Bridgestone Corporation | 7247 |
6 |
| Kao Corporation | 4964 |
6 |
| LG Chem, Ltd. | 17615 |
5 |
| Milliken & Company | 1200 |
5 |
| Coronado Aesthetics, LLC | 26 |
5 |
| The Chemours Company Fc, LLC | 1221 |
4 |
| Cytec Industries Inc. | 402 |
4 |
| Mitsubishi Gas Chemical Company, Inc. | 3461 |
4 |
| Nippon Shokubai Co., Ltd. | 1510 |
4 |
| Stora Enso Oyj | 1637 |
4 |
| International Business Machines Corporation | 61198 |
3 |
| Konica Minolta, Inc. | 8710 |
3 |
| Daikin Industries, Ltd. | 9995 |
3 |
| Other owners | 213 |