- All sections
- C - Chemistry; metallurgy
- 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: 491
10-year publication summary
|
38
|
31
|
37
|
40
|
46
|
41
|
32
|
33
|
22
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johnson & Johnson Vision Care, Inc. | 1255 |
30 |
| Dow Global Technologies LLC | 10147 |
29 |
| Dow Silicones Corporation | 1664 |
29 |
| Alcon, Inc. | 4899 |
20 |
| 3m Innovative Properties Company | 18406 |
17 |
| DIC Corporation | 3597 |
14 |
| LG Chem, Ltd. | 17205 |
10 |
| Bridgestone Corporation | 7067 |
10 |
| Dow Corning Corporation | 1072 |
9 |
| Rohm and Haas Electronic Materials LLC | 637 |
8 |
| Novartis AG | 11238 |
7 |
| Daikin Industries, Ltd. | 9495 |
7 |
| Kaneka Corporation | 4445 |
7 |
| JSR Corporation | 2476 |
7 |
| Dow Corning Toray Co., Ltd. | 562 |
7 |
| BASF SE | 19740 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
5 |
| ExxonMobil Chemical Patents Inc. | 4286 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| Electronics and Telecommunications Research Institute | 8830 |
4 |
| Other owners | 256 |