- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/103 - EstersEther-esters of monocarboxylic acids with polyalcohols
Patent holdings for IPC class C08K 5/103
Total number of patents in this class: 1208
10-year publication summary
|
116
|
120
|
91
|
86
|
79
|
77
|
71
|
73
|
59
|
52
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekisui Chemical Co., Ltd. | 3491 |
45 |
| Dow Global Technologies LLC | 10518 |
37 |
| SABIC Global Technologies B.V. | 4396 |
25 |
| Idemitsu Kosan Co., Ltd. | 4225 |
22 |
| Kaneka Corporation | 4605 |
21 |
| Covestro Deutschland AG | 2789 |
21 |
| Bridgestone Corporation | 7216 |
20 |
| Polyplastics Co., Ltd. | 605 |
18 |
| Solutia Inc. | 412 |
18 |
| Zeon Corporation | 4113 |
18 |
| BASF SE | 21072 |
17 |
| LG Chem, Ltd. | 17682 |
17 |
| Eastman Chemical Company | 2212 |
17 |
| Kuraray Co., Ltd. | 3537 |
16 |
| Adeka Corporation | 1368 |
14 |
| Novamont S.p.A. | 359 |
13 |
| E. I. du Pont de Nemours and Company | 3905 |
12 |
| Compagnie Generale des Etablissements Michelin | 4795 |
11 |
| Mitsubishi Chemical Corporation | 4604 |
10 |
| The Yokohama Rubber Co., Ltd. | 4087 |
10 |
| Other owners | 826 |