- 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: 214
10-year publication summary
|
19
|
19
|
15
|
23
|
7
|
9
|
4
|
8
|
10
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 29295 |
15 |
| Shin-Etsu Chemical Co., Ltd. | 5632 |
14 |
| JSR Corporation | 2514 |
7 |
| Nissan Chemical Industries, Ltd. | 1721 |
6 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10922 |
5 |
| The Boeing Company | 20031 |
4 |
| Centre National de La Recherche Scientifique | 10408 |
4 |
| KEMET Electronics Corporation | 330 |
4 |
| Tosoh Finechem Corporation | 88 |
4 |
| Canon Inc. | 39660 |
3 |
| Nikon Corporation | 7168 |
3 |
| Sumitomo Chemical Company, Limited | 9031 |
3 |
| Continental Reifen Deutschland GmbH | 2451 |
3 |
| Arkema Inc. | 1062 |
3 |
| Clariant International Ltd. | 940 |
3 |
| Construction Research & Technology GmbH | 643 |
3 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1536 |
3 |
| Shikoku Chemicals Corporation | 91 |
3 |
| Tokyo Ohka Kogyo Co., Ltd. | 1549 |
3 |
| Kasis Environmental Ltd. | 5 |
3 |
| Other owners | 118 |