- All sections
- C - Chemistry; metallurgy
- 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: 319
10-year publication summary
|
43
|
39
|
26
|
22
|
37
|
21
|
32
|
22
|
20
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 19740 |
21 |
| Roquette Freres | 1002 |
12 |
| 3m Innovative Properties Company | 18406 |
9 |
| Konica Minolta Opto, Inc. | 1179 |
8 |
| Dow Global Technologies LLC | 10147 |
7 |
| Kingfa SCI & Tech Co. Ltd. | 509 |
7 |
| Milliken & Company | 1253 |
6 |
| LG Chem, Ltd. | 17205 |
5 |
| FUJIFILM Corporation | 27102 |
5 |
| Bridgestone Corporation | 7067 |
5 |
| Kao Corporation | 4843 |
4 |
| The Chemours Company Fc, LLC | 1107 |
4 |
| Ciba Specialty Chemicals Holding Inc. | 211 |
4 |
| Cytec Industries Inc. | 407 |
4 |
| Nippon Shokubai Co., Ltd. | 1487 |
4 |
| Coronado Aesthetics, LLC | 25 |
4 |
| Evonik Oxeno GmbH & Co. KG | 278 |
4 |
| International Business Machines Corporation | 60644 |
3 |
| Konica Minolta, Inc. | 8349 |
3 |
| Daikin Industries, Ltd. | 9495 |
3 |
| Other owners | 197 |