- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 283/12 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polysiloxanes
Patent holdings for IPC class C08F 283/12
Total number of patents in this class: 522
10-year publication summary
|
28
|
33
|
31
|
31
|
47
|
19
|
24
|
18
|
25
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johnson & Johnson Vision Care, Inc. | 1157 |
38 |
| Dow Silicones Corporation | 2114 |
29 |
| Mitsubishi Chemical Corporation | 4724 |
21 |
| Shin-Etsu Chemical Co., Ltd. | 6096 |
17 |
| Alcon, Inc. | 5861 |
16 |
| Dow Global Technologies LLC | 10944 |
15 |
| Kaneka Corporation | 4703 |
15 |
| Dow Corning Corporation | 878 |
15 |
| Wacker Chemie AG | 2112 |
15 |
| Rohm and Haas Company | 2951 |
14 |
| 3m Innovative Properties Company | 17478 |
11 |
| Nissin Chemical Industry Co., Ltd. | 115 |
11 |
| Kao Corporation | 5076 |
11 |
| LG Chem, Ltd. | 17921 |
9 |
| FUJIFILM Corporation | 30514 |
9 |
| Daikin Industries, Ltd. | 10499 |
9 |
| Dow Toray Co., Ltd. | 623 |
9 |
| Novartis AG | 10262 |
8 |
| Mitsubishi Rayon Co., Ltd. | 855 |
6 |
| Citibank, N.A., AS Administrative Agent | 245 |
6 |
| Other owners | 238 |