- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 77/20 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups
Patent holdings for IPC class C08G 77/20
Total number of patents in this class: 2124
10-year publication summary
140
|
141
|
190
|
173
|
181
|
199
|
201
|
143
|
124
|
56
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Dow Silicones Corporation | 1896 |
238 |
Shin-Etsu Chemical Co., Ltd. | 5602 |
216 |
Dow Toray Co., Ltd. | 553 |
106 |
Wacker Chemie AG | 2104 |
82 |
LG Chem, Ltd. | 17564 |
54 |
Dow Global Technologies LLC | 10384 |
48 |
Alcon, Inc. | 5394 |
36 |
Henkel AG & Co. KGaA | 10482 |
34 |
Elkem Silicones France SAS | 158 |
31 |
3m Innovative Properties Company | 17855 |
30 |
Momentive Performance Materials Inc. | 920 |
25 |
Citibank, N.A., AS Administrative Agent | 272 |
24 |
Momentive Performance Materials Japan LLC | 168 |
24 |
Dow Corning Corporation | 971 |
23 |
Nissan Chemical Industries, Ltd. | 1725 |
23 |
Toagosei Co., Ltd. | 961 |
21 |
DuPont Toray Specialty Materials Kabushiki Kaisha | 63 |
19 |
Ethicon, Inc. | 1194 |
18 |
Pallidus, Inc. | 34 |
18 |
Toray Industries, Inc. | 6906 |
16 |
Other owners | 1038 |