- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 77/398 - Polysiloxanes modified by chemical after-treatment containing atoms other than carbon, hydrogen, oxygen or silicon containing boron or metal atoms
Patent holdings for IPC class C08G 77/398
Total number of patents in this class: 70
10-year publication summary
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4
|
8
|
10
|
7
|
4
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3
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2
|
3
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3
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Silicones Corporation | 2021 |
6 |
| Shin-Etsu Chemical Co., Ltd. | 5884 |
4 |
| The United States of America as represented by the Secretary of the Navy | 2814 |
4 |
| LG Chem, Ltd. | 17759 |
3 |
| WENG, Qiumei | 8 |
3 |
| Rtx Corporation | 9779 |
3 |
| Merck Patent GmbH | 5732 |
2 |
| Momentive Performance Materials Inc. | 884 |
2 |
| Nanjing University | 771 |
2 |
| Sumitomo Osaka Cement Co., Ltd. | 882 |
2 |
| Wacker Chemie AG | 2103 |
2 |
| Sumitomo Electric Industries, Ltd. | 15994 |
1 |
| The Board of Trustees of the Leland Stanford Junior University | 6589 |
1 |
| Sumitomo Wiring Systems, Ltd. | 10709 |
1 |
| Henkel AG & Co. KGaA | 10699 |
1 |
| The Board of Trustees of the University of Illinois | 2736 |
1 |
| Dow Corning Corporation | 926 |
1 |
| Japan Science and Technology Agency | 1249 |
1 |
| Boe Technology Group Co., Ltd. | 42636 |
1 |
| AutoNetworks Technologies, Ltd. | 6878 |
1 |
| Other owners | 28 |