- All sections
- C - Chemistrymetallurgy
- C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08F 12/30 - Sulfur
Patent holdings for IPC class C08F 12/30
Total number of patents in this class: 218
10-year publication summary
|
19
|
15
|
23
|
7
|
9
|
4
|
8
|
10
|
4
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 6157 |
16 |
| FUJIFILM Corporation | 30808 |
15 |
| JSR Corporation | 2562 |
9 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11137 |
5 |
| Nissan Chemical Industries, Ltd. | 1627 |
5 |
| Tokyo Ohka Kogyo Co., Ltd. | 1560 |
5 |
| Tosoh Finechem Corporation | 87 |
5 |
| The Boeing Company | 20217 |
4 |
| Centre National de La Recherche Scientifique | 11133 |
4 |
| KEMET Electronics Corporation | 319 |
4 |
| Canon Inc. | 44490 |
3 |
| Nikon Corporation | 7226 |
3 |
| Sumitomo Chemical Company, Limited | 8992 |
3 |
| Continental Reifen Deutschland GmbH | 2546 |
3 |
| Clariant International Ltd. | 892 |
3 |
| Construction Research & Technology GmbH | 598 |
3 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1627 |
3 |
| Shikoku Chemicals Corporation | 107 |
3 |
| Kasis Environmental Ltd. | 5 |
3 |
| USA Fortescue IP, Inc. | 50 |
3 |
| Other owners | 116 |