- 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: 5718
10-year publication summary
|
365
|
356
|
383
|
442
|
505
|
509
|
534
|
407
|
356
|
102
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Silicones Corporation | 1664 |
387 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
330 |
| Wacker Chemie AG | 2091 |
241 |
| Dow Corning Corporation | 1072 |
183 |
| Dow Corning Toray Co., Ltd. | 562 |
168 |
| LG Chem, Ltd. | 17205 |
155 |
| Dow Toray Co., Ltd. | 494 |
136 |
| Dow Global Technologies LLC | 10147 |
109 |
| Henkel AG & Co. KGaA | 10129 |
72 |
| 3m Innovative Properties Company | 18406 |
69 |
| Momentive Performance Materials Inc. | 861 |
61 |
| Alcon, Inc. | 4899 |
48 |
| Momentive Performance Materials Japan LLC | 158 |
47 |
| FUJIFILM Corporation | 27102 |
43 |
| Elkem Silicones France SAS | 141 |
41 |
| Sumitomo Chemical Company, Limited | 8808 |
40 |
| Toray Industries, Inc. | 6652 |
39 |
| Lintec Corporation | 1915 |
38 |
| Bluestar Silicones France SAS | 103 |
37 |
| Rohm and Haas Company | 2805 |
33 |
| Other owners | 3441 |