- 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: 297
10-year publication summary
|
18
|
25
|
22
|
24
|
14
|
9
|
16
|
15
|
11
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Silicones Corporation | 2114 |
24 |
| Shin-Etsu Chemical Co., Ltd. | 6096 |
20 |
| Dow Corning Corporation | 878 |
12 |
| LG Chem, Ltd. | 17921 |
9 |
| Dow Global Technologies LLC | 10944 |
9 |
| 3m Innovative Properties Company | 17478 |
7 |
| The Boeing Company | 20160 |
7 |
| Alcon, Inc. | 5861 |
6 |
| Samsung Electronics Co., Ltd. | 157719 |
5 |
| Samsung SDI Co., Ltd. | 10589 |
5 |
| Idemitsu Kosan Co., Ltd. | 4235 |
5 |
| Novartis AG | 10262 |
4 |
| Kaneka Corporation | 4703 |
4 |
| Alcon, Inc. | 349 |
4 |
| Dow Corning Toray Co., Ltd. | 456 |
4 |
| Kolon Industries, Inc. | 1844 |
4 |
| Tokyo Ohka Kogyo Co., Ltd. | 1562 |
4 |
| Wacker Chemie AG | 2112 |
4 |
| Kao Corporation | 5076 |
3 |
| Toray Industries, Inc. | 7113 |
3 |
| Other owners | 154 |