- 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: 65
10-year publication summary
|
1
|
8
|
7
|
3
|
8
|
3
|
1
|
2
|
5
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 25139 |
4 |
| Pronova Biopharma Norge AS | 63 |
4 |
| Wakunaga Pharmaceutical Co., Ltd. | 41 |
3 |
| BASF AS | 38 |
3 |
| Signum Dermalogix, Inc. | 13 |
3 |
| Ecospray Limited | 14 |
2 |
| Essilor International (compagnie Generale D'optique) | 3001 |
2 |
| Hydro-Quebec | 635 |
2 |
| National University Corporation Yamagata University | 154 |
2 |
| NOK Corporation | 2330 |
2 |
| University of Prince Edward Island | 63 |
2 |
| 3m Innovative Properties Company | 17455 |
1 |
| BASF SE | 21320 |
1 |
| Bayer AG | 3553 |
1 |
| Huawei Technologies Co., Ltd. | 124837 |
1 |
| The Goodyear Tire & Rubber Company | 2377 |
1 |
| The Regents of the University of Michigan | 5038 |
1 |
| JSR Corporation | 2553 |
1 |
| Aventis Pharma S.A. | 39 |
1 |
| Avexxin AS | 41 |
1 |
| Other owners | 27 |