- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 71/02 - Polyalkylene oxides
Patent holdings for IPC class C08L 71/02
Total number of patents in this class: 2856
10-year publication summary
|
198
|
224
|
228
|
212
|
252
|
215
|
186
|
166
|
149
|
97
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4829 |
128 |
| Dow Global Technologies LLC | 11072 |
65 |
| BASF SE | 21334 |
39 |
| Daikin Industries, Ltd. | 10540 |
37 |
| Shin-Etsu Chemical Co., Ltd. | 6157 |
35 |
| Agc, Inc. | 5664 |
34 |
| Idemitsu Kosan Co., Ltd. | 4298 |
33 |
| Rohm and Haas Company | 2942 |
31 |
| LG Chem, Ltd. | 17986 |
30 |
| Sumitomo Seika Chemicals Co., Ltd. | 1057 |
30 |
| 3m Innovative Properties Company | 17443 |
26 |
| Wacker Chemie AG | 2124 |
25 |
| Sika Technology AG | 3031 |
24 |
| Zeon Corporation | 4183 |
21 |
| Henkel AG & Co. KGaA | 10788 |
20 |
| Arkema France | 4232 |
20 |
| Nippon Shokubai Co., Ltd. | 1528 |
19 |
| Mitsubishi Chemical Corporation | 4767 |
18 |
| NOK Corporation | 2347 |
18 |
| Solvay Specialty Polymers Italy S.p.A. | 653 |
18 |
| Other owners | 2185 |