- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 83/07 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups
Patent holdings for IPC class C08L 83/07
Total number of patents in this class: 989
10-year publication summary
|
63
|
51
|
56
|
71
|
72
|
94
|
85
|
92
|
75
|
30
|
| 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 |
226 |
| Dow Toray Co., Ltd. | 494 |
90 |
| Dow Corning Toray Co., Ltd. | 562 |
86 |
| Momentive Performance Materials Japan LLC | 158 |
49 |
| Dow Silicones Corporation | 1664 |
38 |
| Daicel Corporation | 2128 |
26 |
| Dow Corning Corporation | 1072 |
18 |
| Fuji Polymer Industries Co., Ltd. | 107 |
16 |
| Dow Global Technologies LLC | 10147 |
14 |
| Denka Company Limited | 2189 |
14 |
| Sekisui Chemical Co., Ltd. | 3159 |
14 |
| Sekisui Polymatech Co., Ltd. | 192 |
14 |
| FUJIFILM Corporation | 27102 |
12 |
| Kaneka Corporation | 4445 |
10 |
| The Yokohama Rubber Co., Ltd. | 3929 |
10 |
| Adeka Corporation | 1333 |
10 |
| JNC Corporation | 1527 |
10 |
| Shengyi Technology Co., Ltd. | 255 |
10 |
| Toray Industries, Inc. | 6652 |
8 |
| Wacker Chemie AG | 2091 |
8 |
| Other owners | 306 |