- 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: 897
10-year publication summary
|
72
|
81
|
62
|
81
|
40
|
45
|
48
|
56
|
43
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5952 |
97 |
| Dow Silicones Corporation | 2065 |
62 |
| Dow Toray Co., Ltd. | 597 |
36 |
| Dow Global Technologies LLC | 10798 |
24 |
| Dow Corning Toray Co., Ltd. | 466 |
23 |
| Wacker Chemie AG | 2102 |
21 |
| Evonik Operations GmbH | 4248 |
21 |
| Citibank, N.A., AS Administrative Agent | 254 |
19 |
| Momentive Performance Materials Inc. | 889 |
18 |
| LG Chem, Ltd. | 17840 |
16 |
| Sekisui Chemical Co., Ltd. | 3582 |
13 |
| JSR Corporation | 2513 |
12 |
| Henkel AG & Co. KGaA | 10711 |
11 |
| The Procter & Gamble Company | 21893 |
10 |
| Kaneka Corporation | 4639 |
10 |
| Dow Corning Corporation | 905 |
10 |
| 3m Innovative Properties Company | 17509 |
9 |
| Alcon, Inc. | 5710 |
9 |
| Nippon Kayaku Kabushiki Kaisha | 1468 |
9 |
| Elkem Silicones France SAS | 169 |
9 |
| Other owners | 458 |