- 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: 1378
10-year publication summary
|
86
|
95
|
95
|
103
|
118
|
105
|
100
|
112
|
99
|
52
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10386 |
140 |
| BASF SE | 20967 |
121 |
| Covestro Deutschland AG | 2767 |
95 |
| Covestro LLC | 588 |
44 |
| Stepan Company | 581 |
21 |
| Evonik Operations GmbH | 4123 |
21 |
| Econic Technologies Ltd | 47 |
20 |
| Rohm and Haas Company | 2888 |
19 |
| Henkel AG & Co. KGaA | 10590 |
16 |
| Covestro Intellectual Property GmbH & Co. KG | 276 |
16 |
| Clariant International Ltd. | 931 |
15 |
| Nippon Shokubai Co., Ltd. | 1504 |
14 |
| The Procter & Gamble Company | 22031 |
12 |
| Shell Internationale Research Maatschappij B.V. | 3546 |
12 |
| Bayer Intellectual Property GmbH | 2497 |
12 |
| BYK-Chemie GmbH | 446 |
12 |
| Arkema France | 4159 |
11 |
| NOK Corporation | 2224 |
11 |
| Dow Global Technologies Inc. | 821 |
10 |
| Repsol, S.A. | 487 |
9 |
| Other owners | 747 |