- All sections
- C - Chemistry; metallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/13 - Phenols; Phenolates
Patent holdings for IPC class C08K 5/13
Total number of patents in this class: 1569
10-year publication summary
|
94
|
114
|
122
|
120
|
150
|
146
|
126
|
120
|
113
|
33
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Polyplastics Co., Ltd. | 563 |
44 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
41 |
| BASF SE | 19740 |
35 |
| Idemitsu Kosan Co., Ltd. | 3995 |
35 |
| Zeon Corporation | 3854 |
31 |
| FUJIFILM Corporation | 27102 |
29 |
| Adeka Corporation | 1333 |
29 |
| Borealis AG | 2558 |
28 |
| Kuraray Co., Ltd. | 3392 |
26 |
| LG Chem, Ltd. | 17205 |
25 |
| Dow Global Technologies LLC | 10147 |
25 |
| Daikin Industries, Ltd. | 9495 |
20 |
| Sumitomo Chemical Company, Limited | 8808 |
18 |
| Sumitomo Electric Industries, Ltd. | 14131 |
17 |
| Bridgestone Corporation | 7067 |
16 |
| Kaneka Corporation | 4445 |
16 |
| Compagnie Generale des Etablissements Michelin | 4450 |
16 |
| Mitsubishi Chemical Corporation | 4313 |
14 |
| Avery Dennison Corporation | 1291 |
14 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
12 |
| Other owners | 1078 |