- 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: 2747
10-year publication summary
|
200
|
198
|
223
|
227
|
212
|
251
|
212
|
178
|
159
|
92
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4522 |
127 |
| Dow Global Technologies LLC | 10363 |
67 |
| BASF SE | 20933 |
37 |
| Daikin Industries, Ltd. | 9995 |
37 |
| Rohm and Haas Company | 2906 |
33 |
| Agc, Inc. | 4839 |
32 |
| Shin-Etsu Chemical Co., Ltd. | 5658 |
31 |
| Idemitsu Kosan Co., Ltd. | 4219 |
31 |
| Sumitomo Seika Chemicals Co., Ltd. | 1039 |
28 |
| LG Chem, Ltd. | 17632 |
27 |
| 3m Innovative Properties Company | 17833 |
24 |
| Wacker Chemie AG | 2106 |
24 |
| Arkema France | 4110 |
22 |
| Zeon Corporation | 4077 |
21 |
| Sika Technology AG | 2867 |
20 |
| Nippon Shokubai Co., Ltd. | 1507 |
19 |
| Solvay Specialty Polymers Italy S.p.A. | 757 |
19 |
| Asahi Glass Company, Limited | 2786 |
18 |
| Henkel AG & Co. KGaA | 10572 |
18 |
| Polyplastics Co., Ltd. | 603 |
18 |
| Other owners | 2094 |