- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/549 - Silicon-containing compounds containing silicon in a ring
Patent holdings for IPC class C08K 5/549
Total number of patents in this class: 191
10-year publication summary
|
18
|
16
|
21
|
14
|
7
|
14
|
15
|
11
|
10
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10960 |
17 |
| LG Chem, Ltd. | 17929 |
13 |
| Dow Silicones Corporation | 2118 |
10 |
| Shin-Etsu Chemical Co., Ltd. | 6109 |
9 |
| Henkel AG & Co. KGaA | 10762 |
7 |
| Momentive Performance Materials Inc. | 897 |
5 |
| The United States of America as represented by the Secretary of the Air Force | 923 |
5 |
| Dow Toray Co., Ltd. | 625 |
5 |
| SHPP Global Technologies B.V. | 1102 |
5 |
| Dow Corning Toray Co., Ltd. | 456 |
4 |
| Huntsman International LLC | 694 |
4 |
| Nitrochemie Aschau GmbH | 50 |
4 |
| Samsung Electronics Co., Ltd. | 157946 |
3 |
| Bridgestone Corporation | 7262 |
3 |
| Idemitsu Kosan Co., Ltd. | 4241 |
3 |
| Kaneka Corporation | 4713 |
3 |
| Bostik SA | 678 |
3 |
| Mitsubishi Engineering-Plastics Corporation | 300 |
3 |
| Wacker Chemie AG | 2109 |
3 |
| Jellisee Ophthalmics Inc | 27 |
3 |
| Other owners | 79 |