- All sections
- C - Chemistry; metallurgy
- 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: 815
10-year publication summary
|
62
|
66
|
72
|
81
|
62
|
80
|
40
|
44
|
47
|
17
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5132 |
75 |
| Dow Silicones Corporation | 1664 |
50 |
| Dow Toray Co., Ltd. | 494 |
32 |
| Dow Corning Toray Co., Ltd. | 562 |
25 |
| Wacker Chemie AG | 2091 |
23 |
| Evonik Operations GmbH | 3879 |
22 |
| Citibank, N.A., AS Administrative Agent | 295 |
19 |
| Momentive Performance Materials Inc. | 861 |
17 |
| Dow Global Technologies LLC | 10147 |
16 |
| Dow Corning Corporation | 1072 |
13 |
| LG Chem, Ltd. | 17205 |
12 |
| Henkel AG & Co. KGaA | 10129 |
12 |
| JSR Corporation | 2476 |
11 |
| The Procter & Gamble Company | 22178 |
10 |
| 3m Innovative Properties Company | 18406 |
10 |
| Kaneka Corporation | 4445 |
10 |
| Nippon Kayaku Kabushiki Kaisha | 1400 |
9 |
| International Business Machines Corporation | 60644 |
8 |
| Alcon, Inc. | 4899 |
8 |
| Evonik Degussa GmbH | 1574 |
7 |
| Other owners | 426 |