- 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: 886
10-year publication summary
|
65
|
67
|
76
|
60
|
68
|
38
|
44
|
48
|
53
|
36
|
| 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. | 5732 |
93 |
| Dow Silicones Corporation | 1971 |
59 |
| Dow Toray Co., Ltd. | 575 |
36 |
| Dow Corning Toray Co., Ltd. | 481 |
23 |
| Dow Global Technologies LLC | 10494 |
22 |
| Wacker Chemie AG | 2111 |
22 |
| Citibank, N.A., AS Administrative Agent | 269 |
19 |
| Momentive Performance Materials Inc. | 910 |
19 |
| Evonik Operations GmbH | 4186 |
19 |
| LG Chem, Ltd. | 17674 |
16 |
| JSR Corporation | 2532 |
12 |
| Dow Corning Corporation | 953 |
12 |
| Henkel AG & Co. KGaA | 10647 |
11 |
| Sekisui Chemical Co., Ltd. | 3477 |
11 |
| The Procter & Gamble Company | 22003 |
10 |
| 3m Innovative Properties Company | 17749 |
10 |
| Kaneka Corporation | 4601 |
10 |
| Nippon Kayaku Kabushiki Kaisha | 1449 |
9 |
| International Business Machines Corporation | 61636 |
8 |
| Alcon, Inc. | 5492 |
8 |
| Other owners | 457 |