- 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: 302
10-year publication summary
|
18
|
25
|
22
|
24
|
14
|
9
|
16
|
15
|
11
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Silicones Corporation | 2158 |
24 |
| Shin-Etsu Chemical Co., Ltd. | 6186 |
21 |
| Dow Corning Corporation | 860 |
12 |
| LG Chem, Ltd. | 18005 |
9 |
| Dow Global Technologies LLC | 11106 |
9 |
| 3m Innovative Properties Company | 17463 |
7 |
| The Boeing Company | 20230 |
7 |
| Alcon, Inc. | 5961 |
6 |
| Samsung Electronics Co., Ltd. | 159978 |
5 |
| Samsung SDI Co., Ltd. | 11065 |
5 |
| Idemitsu Kosan Co., Ltd. | 4293 |
5 |
| Novartis AG | 10163 |
4 |
| Toray Industries, Inc. | 7164 |
4 |
| Kaneka Corporation | 4844 |
4 |
| Alcon, Inc. | 350 |
4 |
| Dow Corning Toray Co., Ltd. | 448 |
4 |
| Kolon Industries, Inc. | 1868 |
4 |
| Tokyo Ohka Kogyo Co., Ltd. | 1556 |
4 |
| Wacker Chemie AG | 2126 |
4 |
| Merck Patent GmbH | 5772 |
3 |
| Other owners | 157 |