- All sections
- C - Chemistry; metallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 243/22 - Hydrazines having nitrogen atoms of hydrazine groups bound to carbon atoms of six-membered aromatic rings
Patent holdings for IPC class C07C 243/22
Total number of patents in this class: 34
10-year publication summary
|
8
|
6
|
6
|
4
|
3
|
2
|
1
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shanghai Hybrid-chem Technologies | 9 |
3 |
| BASF SE | 20432 |
2 |
| Sumitomo Chemical Company, Limited | 8988 |
2 |
| Shijiazhuang Chengzhi Yonghua Display Material Co., Ltd. | 196 |
2 |
| Simon Fraser University | 267 |
2 |
| The University of British Columbia | 1468 |
2 |
| University of Ottawa | 213 |
2 |
| Advitech Advisory and Technologies SA | 4 |
2 |
| Corteva Agriscience LLC | 2681 |
2 |
| The Regents of the University of California | 19517 |
1 |
| Bayer Cropscience AG | 2138 |
1 |
| Cellix Bio Private Limited | 51 |
1 |
| DIC Corporation | 3669 |
1 |
| GE Healthcare Limited | 693 |
1 |
| Ind-Swift Laboratories Limited | 57 |
1 |
| Korea Institute of Ocean Science and Technology | 30 |
1 |
| Medi-Physics, Inc. | 95 |
1 |
| Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences | 62 |
1 |
| Trustees of Dartmouth College | 1061 |
1 |
| ChemWerth, Inc. | 5 |
1 |
| Other owners | 4 |