- 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 |