- All sections
- C - Chemistry; metallurgy
- C08L - Compositions of macromolecular compounds
- C08L 83/04 - Polysiloxanes
Patent holdings for IPC class C08L 83/04
Total number of patents in this class: 5901
10-year publication summary
|
356
|
383
|
444
|
505
|
515
|
540
|
415
|
360
|
344
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Silicones Corporation | 1797 |
420 |
| Shin-Etsu Chemical Co., Ltd. | 5437 |
352 |
| Wacker Chemie AG | 2097 |
240 |
| Dow Corning Corporation | 1021 |
175 |
| LG Chem, Ltd. | 17620 |
164 |
| Dow Corning Toray Co., Ltd. | 533 |
157 |
| Dow Toray Co., Ltd. | 532 |
142 |
| Dow Global Technologies LLC | 10139 |
115 |
| Henkel AG & Co. KGaA | 10337 |
76 |
| 3m Innovative Properties Company | 17968 |
69 |
| Momentive Performance Materials Inc. | 900 |
64 |
| Alcon, Inc. | 5163 |
50 |
| FUJIFILM Corporation | 28467 |
47 |
| Momentive Performance Materials Japan LLC | 163 |
45 |
| Elkem Silicones France SAS | 153 |
44 |
| Sumitomo Chemical Company, Limited | 8966 |
40 |
| Toray Industries, Inc. | 6843 |
40 |
| Lintec Corporation | 1938 |
38 |
| Bluestar Silicones France SAS | 97 |
36 |
| Rohm and Haas Company | 2845 |
34 |
| Other owners | 3553 |