- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 77/42 - Block- or graft-polymers containing polysiloxane sequences
Patent holdings for IPC class C08G 77/42
Total number of patents in this class: 296
10-year publication summary
|
23
|
17
|
25
|
20
|
23
|
14
|
8
|
16
|
14
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Silicones Corporation | 1965 |
24 |
| Shin-Etsu Chemical Co., Ltd. | 5724 |
19 |
| Dow Corning Corporation | 954 |
12 |
| LG Chem, Ltd. | 17674 |
9 |
| Dow Global Technologies LLC | 10479 |
9 |
| 3m Innovative Properties Company | 17755 |
8 |
| The Boeing Company | 20157 |
7 |
| Alcon, Inc. | 5492 |
6 |
| Samsung Electronics Co., Ltd. | 148173 |
5 |
| Samsung SDI Co., Ltd. | 8811 |
5 |
| Idemitsu Kosan Co., Ltd. | 4238 |
5 |
| Novartis AG | 10686 |
4 |
| Kaneka Corporation | 4605 |
4 |
| Alcon, Inc. | 356 |
4 |
| Dow Corning Toray Co., Ltd. | 481 |
4 |
| Kolon Industries, Inc. | 1708 |
4 |
| Tokyo Ohka Kogyo Co., Ltd. | 1550 |
4 |
| Wacker Chemie AG | 2111 |
4 |
| Kao Corporation | 4986 |
3 |
| Toray Industries, Inc. | 7000 |
3 |
| Other owners | 153 |