- All sections
- C - Chemistry; metallurgy
- 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: 1269
10-year publication summary
|
91
|
88
|
101
|
98
|
109
|
123
|
106
|
98
|
114
|
23
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10147 |
128 |
| BASF SE | 19740 |
107 |
| Covestro Deutschland AG | 2429 |
92 |
| Covestro LLC | 577 |
44 |
| Stepan Company | 567 |
21 |
| Covestro Intellectual Property GmbH & Co. KG | 501 |
21 |
| Rohm and Haas Company | 2805 |
18 |
| Econic Technologies Ltd | 39 |
18 |
| Evonik Operations GmbH | 3879 |
17 |
| Henkel AG & Co. KGaA | 10129 |
16 |
| Clariant International Ltd. | 978 |
14 |
| BYK-Chemie GmbH | 437 |
13 |
| Bayer Intellectual Property GmbH | 2671 |
12 |
| Dow Global Technologies Inc. | 1055 |
12 |
| Nippon Shokubai Co., Ltd. | 1487 |
12 |
| BASF AG | 1258 |
11 |
| NOK Corporation | 2108 |
11 |
| The Procter & Gamble Company | 22178 |
10 |
| Bayer MaterialScience AG | 874 |
9 |
| Arkema France | 3790 |
9 |
| Other owners | 674 |