- All sections
- C - Chemistry; metallurgy
- 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: 306
10-year publication summary
|
20
|
27
|
25
|
28
|
31
|
25
|
28
|
14
|
12
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5132 |
20 |
| Nissan Chemical Industries, Ltd. | 1822 |
16 |
| Dow Silicones Corporation | 1664 |
11 |
| 3m Innovative Properties Company | 18406 |
10 |
| Dow Corning Corporation | 1072 |
10 |
| Wacker Chemie AG | 2091 |
9 |
| Momentive Performance Materials Inc. | 861 |
8 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
7 |
| Dow Toray Co., Ltd. | 494 |
7 |
| Citibank, N.A., AS Administrative Agent | 295 |
6 |
| HRL Laboratories, LLC | 1588 |
6 |
| Phosphonics Ltd | 17 |
6 |
| FUJIFILM Corporation | 27102 |
5 |
| Sika Technology AG | 2650 |
5 |
| Bridgestone Corporation | 7067 |
4 |
| Henkel AG & Co. KGaA | 10129 |
4 |
| Lintec Corporation | 1915 |
4 |
| Momentive Performance Materials GmbH | 120 |
4 |
| Rohm and Haas Electronic Materials Korea Ltd. | 546 |
4 |
| Tokyo Ohka Kogyo Co., Ltd. | 1481 |
4 |
| Other owners | 156 |