- All sections
- C - Chemistrymetallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 77/38 - Polysiloxanes modified by chemical after-treatment
Patent holdings for IPC class C08G 77/38
Total number of patents in this class: 873
10-year publication summary
|
66
|
72
|
81
|
62
|
81
|
40
|
45
|
48
|
52
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5663 |
92 |
| Dow Silicones Corporation | 1936 |
57 |
| Dow Toray Co., Ltd. | 569 |
36 |
| Dow Corning Toray Co., Ltd. | 489 |
23 |
| Wacker Chemie AG | 2109 |
23 |
| Dow Global Technologies LLC | 10349 |
21 |
| Evonik Operations GmbH | 4117 |
20 |
| Citibank, N.A., AS Administrative Agent | 270 |
19 |
| Momentive Performance Materials Inc. | 915 |
19 |
| LG Chem, Ltd. | 17639 |
12 |
| JSR Corporation | 2527 |
12 |
| Dow Corning Corporation | 963 |
12 |
| Henkel AG & Co. KGaA | 10584 |
11 |
| The Procter & Gamble Company | 22035 |
10 |
| 3m Innovative Properties Company | 17819 |
10 |
| Kaneka Corporation | 4529 |
10 |
| Sekisui Chemical Co., Ltd. | 3429 |
10 |
| Nippon Kayaku Kabushiki Kaisha | 1436 |
9 |
| International Business Machines Corporation | 61287 |
8 |
| Alcon, Inc. | 5440 |
8 |
| Other owners | 451 |