- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 201/16 - Separation or purification
Patent holdings for IPC class C07D 201/16
Total number of patents in this class: 54
10-year publication summary
|
2
|
5
|
1
|
1
|
2
|
1
|
4
|
3
|
7
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cap III B.V. | 53 |
10 |
| Sumitomo Chemical Company, Limited | 8808 |
8 |
| BASF SE | 19740 |
4 |
| DSM IP Assets B.V. | 5856 |
4 |
| AquafilSLO d.o.o. | 10 |
3 |
| Technip Zimmer GmbH | 15 |
2 |
| China Tianchen Engineering Corporation | 7 |
2 |
| Hanwha Solutions Corporation | 572 |
2 |
| Zhejiang Hengyi Petrochemical Research Institute Co., Ltd. | 3 |
2 |
| BASF AG | 1258 |
1 |
| California Institute of Technology | 3884 |
1 |
| Toray Industries, Inc. | 6652 |
1 |
| China Petrochemical Development Corporation | 29 |
1 |
| China Petroleum & Chemical Corporation | 1623 |
1 |
| East China University of Science and Technology | 473 |
1 |
| Lurgi Zimmer GmbH | 39 |
1 |
| Nektar Therapeutics | 503 |
1 |
| Nippon Shokubai Co., Ltd. | 1487 |
1 |
| Nissan Chemical Industries, Ltd. | 1822 |
1 |
| Refined Technologies, Inc. | 51 |
1 |
| Other owners | 6 |