- All sections
- C - Chemistry; metallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/12 - Esters; Ether-esters of cyclic polycarboxylic acids
Patent holdings for IPC class C08K 5/12
Total number of patents in this class: 883
10-year publication summary
|
77
|
109
|
103
|
83
|
77
|
91
|
77
|
83
|
45
|
21
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17205 |
109 |
| BASF SE | 19740 |
53 |
| Hanwha Solutions Corporation | 572 |
37 |
| Zeon Corporation | 3854 |
30 |
| Eastman Chemical Company | 2239 |
26 |
| ExxonMobil Chemical Patents Inc. | 4286 |
16 |
| Evonik Oxeno GmbH & Co. KG | 278 |
16 |
| Dow Global Technologies LLC | 10147 |
14 |
| Evonik Oxeno GmbH | 60 |
11 |
| Solutia Inc. | 410 |
11 |
| Sika Technology AG | 2650 |
10 |
| DIC Corporation | 3597 |
9 |
| Sekisui Chemical Co., Ltd. | 3159 |
9 |
| FUJIFILM Corporation | 27102 |
7 |
| Kaneka Corporation | 4445 |
7 |
| Mitsubishi Chemical Corporation | 4313 |
6 |
| Nan Ya Plastics Corporation | 308 |
6 |
| SWIMC, LLC | 2426 |
6 |
| 3m Innovative Properties Company | 18406 |
5 |
| Sumitomo Electric Industries, Ltd. | 14131 |
5 |
| Other owners | 490 |