- 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: 2774
10-year publication summary
|
190
|
185
|
214
|
216
|
201
|
232
|
203
|
168
|
157
|
117
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4577 |
127 |
| Dow Global Technologies LLC | 10413 |
67 |
| BASF SE | 20991 |
38 |
| Daikin Industries, Ltd. | 10071 |
37 |
| Shin-Etsu Chemical Co., Ltd. | 5687 |
33 |
| Rohm and Haas Company | 2900 |
33 |
| Idemitsu Kosan Co., Ltd. | 4220 |
32 |
| Agc, Inc. | 4922 |
32 |
| Sumitomo Seika Chemicals Co., Ltd. | 1042 |
30 |
| LG Chem, Ltd. | 17656 |
27 |
| 3m Innovative Properties Company | 17781 |
24 |
| Wacker Chemie AG | 2114 |
24 |
| Arkema France | 4168 |
22 |
| Sika Technology AG | 2875 |
22 |
| Zeon Corporation | 4082 |
21 |
| Nippon Shokubai Co., Ltd. | 1502 |
19 |
| Solvay Specialty Polymers Italy S.p.A. | 758 |
19 |
| Asahi Glass Company, Limited | 2760 |
18 |
| Henkel AG & Co. KGaA | 10611 |
18 |
| Polyplastics Co., Ltd. | 606 |
18 |
| Other owners | 2113 |