- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 321/18 - Sulfides, hydropolysulfides, or polysulfides having thio groups bound to acyclic carbon atoms of an acyclic unsaturated carbon skeleton
Patent holdings for IPC class C07C 321/18
Total number of patents in this class: 63
10-year publication summary
|
9
|
1
|
8
|
7
|
3
|
7
|
3
|
1
|
1
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 25881 |
4 |
| Pronova Biopharma Norge AS | 64 |
4 |
| Signum Biosciences, Inc. | 42 |
4 |
| Wakunaga Pharmaceutical Co., Ltd. | 41 |
3 |
| Ecospray Limited | 8 |
2 |
| Essilor International (compagnie Generale D'optique) | 2996 |
2 |
| National University Corporation Yamagata University | 136 |
2 |
| NOK Corporation | 2221 |
2 |
| University of Prince Edward Island | 63 |
2 |
| BASF AS | 37 |
2 |
| 3m Innovative Properties Company | 17819 |
1 |
| BASF SE | 20915 |
1 |
| Bayer AG | 3331 |
1 |
| Huawei Technologies Co., Ltd. | 112690 |
1 |
| The Goodyear Tire & Rubber Company | 2504 |
1 |
| The Regents of the University of Michigan | 4697 |
1 |
| JSR Corporation | 2524 |
1 |
| Aventis Pharma S.A. | 55 |
1 |
| Avexxin AS | 46 |
1 |
| Chevron Phillips Chemical Company LP | 1830 |
1 |
| Other owners | 26 |