- 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: 6353
10-year publication summary
|
383
|
444
|
506
|
516
|
549
|
427
|
387
|
356
|
368
|
226
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Silicones Corporation | 2129 |
502 |
| Shin-Etsu Chemical Co., Ltd. | 6127 |
397 |
| Wacker Chemie AG | 2111 |
255 |
| Dow Toray Co., Ltd. | 628 |
166 |
| LG Chem, Ltd. | 17956 |
159 |
| Dow Global Technologies LLC | 11008 |
153 |
| Dow Corning Corporation | 873 |
142 |
| Dow Corning Toray Co., Ltd. | 453 |
125 |
| Henkel AG & Co. KGaA | 10743 |
86 |
| 3m Innovative Properties Company | 17459 |
75 |
| Momentive Performance Materials Inc. | 891 |
67 |
| Alcon, Inc. | 5910 |
61 |
| FUJIFILM Corporation | 30628 |
50 |
| Momentive Performance Materials Japan LLC | 165 |
49 |
| Elkem Silicones France SAS | 174 |
47 |
| Lintec Corporation | 2025 |
41 |
| Sumitomo Chemical Company, Limited | 8969 |
40 |
| Toray Industries, Inc. | 7143 |
40 |
| Sekisui Chemical Co., Ltd. | 3638 |
40 |
| Fuji Polymer Industries Co., Ltd. | 131 |
38 |
| Other owners | 3820 |