- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 77/28 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen sulfur-containing groups
Patent holdings for IPC class C08G 77/28
Total number of patents in this class: 322
10-year publication summary
|
25
|
27
|
32
|
24
|
28
|
15
|
13
|
19
|
18
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5823 |
23 |
| Nissan Chemical Industries, Ltd. | 1695 |
16 |
| Dow Silicones Corporation | 1999 |
14 |
| 3m Innovative Properties Company | 17604 |
10 |
| Momentive Performance Materials Inc. | 894 |
9 |
| Wacker Chemie AG | 2104 |
9 |
| Dow Corning Corporation | 944 |
8 |
| Henkel AG & Co. KGaA | 10643 |
7 |
| HRL Laboratories, LLC | 1614 |
7 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6127 |
7 |
| Dow Toray Co., Ltd. | 577 |
7 |
| Citibank, N.A., AS Administrative Agent | 266 |
6 |
| FUJIFILM Corporation | 29911 |
5 |
| Dow Global Technologies LLC | 10627 |
5 |
| Sika Technology AG | 2918 |
5 |
| Johnson & Johnson Vision Care, Inc. | 1174 |
4 |
| Lintec Corporation | 1992 |
4 |
| Momentive Performance Materials GmbH | 128 |
4 |
| Phosphonics Ltd | 13 |
4 |
| Tokyo Ohka Kogyo Co., Ltd. | 1556 |
4 |
| Other owners | 164 |