- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 249/16 - Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton of hydrazones
Patent holdings for IPC class C07C 249/16
Total number of patents in this class: 60
10-year publication summary
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2
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2
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4
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10
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4
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5
|
2
|
3
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2
|
2
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Zeon Corporation | 4078 |
4 |
| LG Chem, Ltd. | 17643 |
3 |
| Dow AgroSciences LLC | 1223 |
3 |
| Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.L.A. China | 185 |
3 |
| Solvay SA | 985 |
3 |
| Seoul National University R&db Foundation | 3662 |
3 |
| Janssen Pharmaceutica N.V. | 3381 |
2 |
| Arkema France | 4162 |
2 |
| Council of Scientific & Industrial Research | 1433 |
2 |
| Id4pharma, LLC | 7 |
2 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2382 |
2 |
| Gujarat Alkalies and Chemicals Limited | 2 |
2 |
| Abrexa Pharmaceuticals, Inc. | 17 |
2 |
| BASF SE | 20961 |
1 |
| The Johns Hopkins University | 5700 |
1 |
| Mitsui Chemicals, Inc. | 3229 |
1 |
| ADAMA Makhteshim Ltd. | 513 |
1 |
| Asubio Pharma Co., Ltd. | 28 |
1 |
| City of Hope | 996 |
1 |
| Esteve Quimica, S.A. | 27 |
1 |
| Other owners | 20 |