- All sections
- C - Chemistry; metallurgy
- 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: 237
10-year publication summary
|
24
|
27
|
14
|
21
|
18
|
16
|
11
|
13
|
17
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Silicones Corporation | 1664 |
39 |
| Dow Corning Corporation | 1072 |
18 |
| Dow Toray Co., Ltd. | 494 |
14 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
12 |
| Dow Corning Toray Co., Ltd. | 562 |
8 |
| Dow Global Technologies LLC | 10147 |
7 |
| Hitachi Chemical Company, Ltd. | 2455 |
6 |
| JNC Corporation | 1527 |
5 |
| Sumitomo Chemical Company, Limited | 8808 |
4 |
| Henkel AG & Co. KGaA | 10129 |
4 |
| Nihon Yamamura Glass Co., Ltd. | 144 |
4 |
| Rohm and Haas Company | 2805 |
3 |
| Ethicon, Inc. | 1310 |
3 |
| Wacker Chemie AG | 2091 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| 3m Innovative Properties Company | 18406 |
2 |
| The Boeing Company | 19843 |
2 |
| Centre National de La Recherche Scientifique | 9632 |
2 |
| Nitto Denko Corporation | 7879 |
2 |
| Kaneka Corporation | 4445 |
2 |
| Other owners | 95 |