- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 65/26 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
Patent holdings for IPC class C08G 65/26
Total number of patents in this class: 1478
10-year publication summary
|
101
|
98
|
109
|
125
|
109
|
105
|
121
|
107
|
73
|
92
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 11106 |
149 |
| BASF SE | 21339 |
136 |
| Covestro Deutschland AG | 2856 |
98 |
| Covestro LLC | 618 |
46 |
| Evonik Operations GmbH | 4446 |
31 |
| Rohm and Haas Company | 2952 |
22 |
| Econic Technologies Ltd | 54 |
22 |
| Stepan Company | 567 |
21 |
| Nippon Shokubai Co., Ltd. | 1528 |
17 |
| Henkel AG & Co. KGaA | 10813 |
16 |
| Clariant International Ltd. | 893 |
16 |
| Covestro Intellectual Property GmbH & Co. KG | 276 |
16 |
| The Procter & Gamble Company | 21892 |
15 |
| NOK Corporation | 2350 |
14 |
| Shell Internationale Research Maatschappij B.V. | 3359 |
13 |
| BYK-Chemie GmbH | 449 |
13 |
| Shell USA, Inc. | 1360 |
13 |
| Bayer Intellectual Property GmbH | 2338 |
12 |
| Arkema France | 4238 |
12 |
| LG Chem, Ltd. | 18005 |
11 |
| Other owners | 785 |