- 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: 920
10-year publication summary
|
72
|
81
|
62
|
81
|
40
|
45
|
50
|
56
|
44
|
41
|
| 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. | 6173 |
103 |
| Dow Silicones Corporation | 2156 |
67 |
| Dow Toray Co., Ltd. | 630 |
38 |
| Dow Global Technologies LLC | 11090 |
27 |
| Dow Corning Toray Co., Ltd. | 448 |
23 |
| Evonik Operations GmbH | 4447 |
22 |
| Wacker Chemie AG | 2126 |
21 |
| Citibank, N.A., AS Administrative Agent | 240 |
19 |
| Momentive Performance Materials Inc. | 883 |
18 |
| LG Chem, Ltd. | 17997 |
16 |
| Henkel AG & Co. KGaA | 10803 |
13 |
| Sekisui Chemical Co., Ltd. | 3669 |
13 |
| JSR Corporation | 2538 |
12 |
| The Procter & Gamble Company | 21890 |
10 |
| Kaneka Corporation | 4841 |
10 |
| Dow Corning Corporation | 860 |
10 |
| 3m Innovative Properties Company | 17455 |
9 |
| Alcon, Inc. | 5953 |
9 |
| Nippon Kayaku Kabushiki Kaisha | 1475 |
9 |
| Elkem Silicones France SAS | 174 |
9 |
| Other owners | 462 |