- All sections
- C - Chemistrymetallurgy
- C08L - Compositions of macromolecular compounds
- C08L 83/04 - Polysiloxanes
Patent holdings for IPC class C08L 83/04
Total number of patents in this class: 6162
10-year publication summary
|
337
|
363
|
427
|
486
|
500
|
515
|
412
|
356
|
343
|
322
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Silicones Corporation | 1975 |
457 |
| Shin-Etsu Chemical Co., Ltd. | 5745 |
377 |
| Wacker Chemie AG | 2111 |
249 |
| Dow Corning Corporation | 951 |
160 |
| LG Chem, Ltd. | 17682 |
156 |
| Dow Toray Co., Ltd. | 575 |
156 |
| Dow Corning Toray Co., Ltd. | 479 |
139 |
| Dow Global Technologies LLC | 10509 |
135 |
| 3m Innovative Properties Company | 17752 |
75 |
| Momentive Performance Materials Inc. | 908 |
74 |
| Henkel AG & Co. KGaA | 10639 |
73 |
| Alcon, Inc. | 5507 |
55 |
| FUJIFILM Corporation | 29752 |
50 |
| Momentive Performance Materials Japan LLC | 166 |
47 |
| Elkem Silicones France SAS | 166 |
46 |
| Sumitomo Chemical Company, Limited | 9095 |
40 |
| Lintec Corporation | 1996 |
39 |
| Toray Industries, Inc. | 7004 |
38 |
| Sekisui Polymatech Co., Ltd. | 212 |
36 |
| Rohm and Haas Company | 2922 |
35 |
| Other owners | 3725 |