- 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: 2818
10-year publication summary
|
198
|
224
|
228
|
213
|
252
|
214
|
181
|
166
|
145
|
51
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4654 |
125 |
| Dow Global Technologies LLC | 10845 |
67 |
| BASF SE | 21165 |
38 |
| Daikin Industries, Ltd. | 10401 |
37 |
| Shin-Etsu Chemical Co., Ltd. | 5997 |
35 |
| Agc, Inc. | 5383 |
34 |
| Rohm and Haas Company | 2946 |
33 |
| Idemitsu Kosan Co., Ltd. | 4213 |
33 |
| Sumitomo Seika Chemicals Co., Ltd. | 1040 |
30 |
| LG Chem, Ltd. | 17883 |
27 |
| 3m Innovative Properties Company | 17491 |
26 |
| Wacker Chemie AG | 2103 |
25 |
| Sika Technology AG | 2963 |
24 |
| Zeon Corporation | 4129 |
21 |
| Henkel AG & Co. KGaA | 10703 |
20 |
| Arkema France | 4189 |
20 |
| Nippon Shokubai Co., Ltd. | 1529 |
19 |
| Mitsubishi Chemical Corporation | 4665 |
18 |
| Polyplastics Co., Ltd. | 627 |
18 |
| Solvay Specialty Polymers Italy S.p.A. | 660 |
18 |
| Other owners | 2150 |