- All sections
- C - Chemistry; metallurgy
- 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: 509
10-year publication summary
|
45
|
20
|
28
|
33
|
31
|
31
|
42
|
18
|
21
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Johnson & Johnson Vision Care, Inc. | 1255 |
36 |
| Dow Silicones Corporation | 1664 |
25 |
| Kaneka Corporation | 4445 |
23 |
| Mitsubishi Chemical Corporation | 4313 |
20 |
| Dow Corning Corporation | 1072 |
18 |
| Wacker Chemie AG | 2091 |
18 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
16 |
| Alcon, Inc. | 4899 |
15 |
| Rohm and Haas Company | 2805 |
14 |
| Dow Global Technologies LLC | 10147 |
14 |
| 3m Innovative Properties Company | 18406 |
13 |
| Kao Corporation | 4843 |
11 |
| Daikin Industries, Ltd. | 9495 |
10 |
| Nissin Chemical Industry Co., Ltd. | 94 |
9 |
| Novartis AG | 11238 |
8 |
| FUJIFILM Corporation | 27102 |
8 |
| LG Chem, Ltd. | 17205 |
7 |
| Mitsubishi Rayon Co., Ltd. | 1003 |
6 |
| Citibank, N.A., AS Administrative Agent | 295 |
6 |
| Techno-UMG Co., Ltd. | 169 |
5 |
| Other owners | 227 |