- 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: 261
10-year publication summary
|
14
|
20
|
17
|
16
|
11
|
14
|
17
|
10
|
18
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Silicones Corporation | 2013 |
40 |
| Dow Toray Co., Ltd. | 584 |
18 |
| Dow Corning Corporation | 934 |
17 |
| Shin-Etsu Chemical Co., Ltd. | 5842 |
15 |
| Dow Corning Toray Co., Ltd. | 475 |
8 |
| Dow Global Technologies LLC | 10696 |
7 |
| Hitachi Chemical Company, Ltd. | 2301 |
6 |
| Henkel AG & Co. KGaA | 10682 |
5 |
| JNC Corporation | 1514 |
5 |
| Sumitomo Chemical Company, Limited | 9039 |
4 |
| Nihon Yamamura Glass Co., Ltd. | 130 |
4 |
| Wacker Chemie AG | 2103 |
4 |
| Rohm and Haas Company | 2943 |
3 |
| Kaneka Corporation | 4629 |
3 |
| Ethicon, Inc. | 1151 |
3 |
| Momentive Performance Materials Inc. | 885 |
3 |
| Sekisui Chemical Co., Ltd. | 3528 |
3 |
| Guangdong Baiyun Technology Co., Ltd. | 19 |
3 |
| Samsung Electronics Co., Ltd. | 151017 |
2 |
| 3m Innovative Properties Company | 17614 |
2 |
| Other owners | 106 |