- 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: 1187
10-year publication summary
|
126
|
128
|
95
|
91
|
84
|
80
|
70
|
75
|
62
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekisui Chemical Co., Ltd. | 3369 |
45 |
| Dow Global Technologies LLC | 10315 |
39 |
| SABIC Global Technologies B.V. | 4265 |
25 |
| Idemitsu Kosan Co., Ltd. | 4136 |
21 |
| Bridgestone Corporation | 7200 |
20 |
| Kaneka Corporation | 4493 |
20 |
| Covestro Deutschland AG | 2714 |
20 |
| Polyplastics Co., Ltd. | 601 |
19 |
| Solutia Inc. | 420 |
18 |
| LG Chem, Ltd. | 17526 |
17 |
| Eastman Chemical Company | 2249 |
17 |
| Zeon Corporation | 4066 |
17 |
| BASF SE | 20694 |
16 |
| Kuraray Co., Ltd. | 3489 |
16 |
| Adeka Corporation | 1364 |
14 |
| Novamont S.p.A. | 350 |
13 |
| E. I. du Pont de Nemours and Company | 4137 |
12 |
| Rohm and Haas Company | 2895 |
10 |
| Mitsubishi Chemical Corporation | 4475 |
10 |
| The Yokohama Rubber Co., Ltd. | 4002 |
10 |
| Other owners | 808 |