- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 77/442 - Block- or graft-polymers containing polysiloxane sequences containing vinyl polymer sequences
Patent holdings for IPC class C08G 77/442
Total number of patents in this class: 493
10-year publication summary
|
37
|
37
|
45
|
39
|
31
|
31
|
22
|
15
|
19
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Silicones Corporation | 2015 |
33 |
| Johnson & Johnson Vision Care, Inc. | 1175 |
30 |
| Dow Global Technologies LLC | 10699 |
27 |
| Alcon, Inc. | 5607 |
22 |
| 3m Innovative Properties Company | 17607 |
17 |
| DIC Corporation | 3891 |
14 |
| Bridgestone Corporation | 7234 |
9 |
| LG Chem, Ltd. | 17744 |
8 |
| Novartis AG | 10481 |
7 |
| Daikin Industries, Ltd. | 10215 |
7 |
| Kaneka Corporation | 4640 |
7 |
| Dow Corning Corporation | 934 |
7 |
| DDP Specialty Electronic Materials US, LLC | 845 |
7 |
| BASF SE | 21149 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 5856 |
5 |
| ExxonMobil Chemical Patents Inc. | 3905 |
5 |
| JSR Corporation | 2548 |
5 |
| Samsung Electronics Co., Ltd. | 151303 |
4 |
| Electronics and Telecommunications Research Institute | 9429 |
4 |
| Rohm and Haas Company | 2942 |
4 |
| Other owners | 265 |