- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 201/16 - Separation or purification
Patent holdings for IPC class C07D 201/16
Total number of patents in this class: 75
10-year publication summary
|
1
|
1
|
2
|
1
|
4
|
3
|
10
|
9
|
14
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21165 |
17 |
| Cap III B.V. | 55 |
10 |
| Sumitomo Chemical Company, Limited | 9015 |
8 |
| Hscc Sustainable Venturing B.V. | 7 |
6 |
| DSM IP Assets B.V. | 5422 |
4 |
| AquafilSLO d.o.o. | 10 |
3 |
| Sulzer Management AG | 699 |
2 |
| Technip Zimmer GmbH | 15 |
2 |
| China Tianchen Engineering Corporation | 26 |
2 |
| Hanwha Solutions Corporation | 1056 |
2 |
| Zhejiang Hengyi Petrochemical Research Institute Co., Ltd. | 6 |
2 |
| California Institute of Technology | 4023 |
1 |
| Toray Industries, Inc. | 7067 |
1 |
| China Petroleum & Chemical Corporation | 2095 |
1 |
| East China University of Science and Technology | 545 |
1 |
| Lurgi Zimmer GmbH | 15 |
1 |
| Nektar Therapeutics | 421 |
1 |
| Nissan Chemical Industries, Ltd. | 1661 |
1 |
| Nisshinbo Holdings Inc. | 374 |
1 |
| Refined Technologies, Inc. | 54 |
1 |
| Other owners | 8 |