- All sections
- C - Chemistry; metallurgy
- 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: 284
10-year publication summary
29
|
27
|
18
|
25
|
22
|
23
|
14
|
8
|
16
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Dow Silicones Corporation | 1664 |
22 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
15 |
Dow Corning Corporation | 1072 |
14 |
3m Innovative Properties Company | 18406 |
8 |
Dow Global Technologies LLC | 10147 |
8 |
The Boeing Company | 19843 |
7 |
Alcon, Inc. | 4899 |
6 |
Samsung Electronics Co., Ltd. | 131630 |
5 |
LG Chem, Ltd. | 17205 |
5 |
Samsung SDI Co., Ltd. | 6671 |
5 |
Novartis AG | 11238 |
4 |
Idemitsu Kosan Co., Ltd. | 3995 |
4 |
Alcon, Inc. | 450 |
4 |
Dow Corning Toray Co., Ltd. | 562 |
4 |
Kolon Industries, Inc. | 1506 |
4 |
Tokyo Ohka Kogyo Co., Ltd. | 1481 |
4 |
Wacker Chemie AG | 2091 |
4 |
Kao Corporation | 4843 |
3 |
Toray Industries, Inc. | 6652 |
3 |
Kaneka Corporation | 4445 |
3 |
Other owners | 152 |