- 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 |