- All sections
- C - Chemistry; metallurgy
- C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C08G 77/388 - Polysiloxanes modified by chemical after-treatment containing atoms other than carbon, hydrogen, oxygen or silicon containing nitrogen
Patent holdings for IPC class C08G 77/388
Total number of patents in this class: 587
10-year publication summary
|
59
|
45
|
35
|
47
|
67
|
45
|
36
|
31
|
28
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wacker Chemie AG | 2091 |
51 |
| Dow Silicones Corporation | 1664 |
27 |
| The Procter & Gamble Company | 22178 |
26 |
| Alcon, Inc. | 4899 |
25 |
| Dow Corning Corporation | 1072 |
22 |
| Henkel AG & Co. KGaA | 10129 |
20 |
| 3m Innovative Properties Company | 18406 |
18 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
18 |
| Momentive Performance Materials Inc. | 861 |
15 |
| Momentive Performance Materials GmbH | 120 |
13 |
| Bausch & Lomb Incorporated | 1199 |
8 |
| BenQ Materials Corporation | 137 |
8 |
| Evonik Operations GmbH | 3879 |
8 |
| Dow Corning Toray Co., Ltd. | 562 |
7 |
| Evonik Goldschmidt Gmbh | 90 |
6 |
| Kao Corporation | 4843 |
6 |
| Dow Global Technologies LLC | 10147 |
6 |
| Citibank, N.A., AS Administrative Agent | 295 |
6 |
| Sika Technology AG | 2650 |
6 |
| Sumitomo Seika Chemicals Co., Ltd. | 1028 |
6 |
| Other owners | 285 |