- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 77/44 - Block- or graft-polymers containing polysiloxane sequences containing only polysiloxane sequences
Patent holdings for IPC class C08G 77/44
Total number of patents in this class: 248
10-year publication summary
|
27
|
14
|
21
|
18
|
16
|
11
|
14
|
18
|
10
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Silicones Corporation | 1870 |
39 |
| Dow Corning Corporation | 981 |
17 |
| Dow Toray Co., Ltd. | 549 |
15 |
| Shin-Etsu Chemical Co., Ltd. | 5571 |
13 |
| Dow Corning Toray Co., Ltd. | 496 |
8 |
| Dow Global Technologies LLC | 10306 |
7 |
| Hitachi Chemical Company, Ltd. | 2367 |
6 |
| JNC Corporation | 1543 |
5 |
| Sumitomo Chemical Company, Limited | 9005 |
4 |
| Henkel AG & Co. KGaA | 10410 |
4 |
| Nihon Yamamura Glass Co., Ltd. | 138 |
4 |
| Wacker Chemie AG | 2105 |
4 |
| Rohm and Haas Company | 2894 |
3 |
| Kaneka Corporation | 4493 |
3 |
| Ethicon, Inc. | 1204 |
3 |
| Momentive Performance Materials Inc. | 918 |
3 |
| Sekisui Chemical Co., Ltd. | 3362 |
3 |
| Samsung Electronics Co., Ltd. | 143021 |
2 |
| 3m Innovative Properties Company | 17861 |
2 |
| The Boeing Company | 19953 |
2 |
| Other owners | 101 |