- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 213/12 - Preparation by ring-closure involving the use of ammonia, amines, amine salts, or nitriles from unsaturated compounds
Patent holdings for IPC class C07D 213/12
Total number of patents in this class: 48
10-year publication summary
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1
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3
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1
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2
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3
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3
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4
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2
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1
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow AgroSciences LLC | 1224 |
3 |
| F. Hoffmann-La Roche AG | 7923 |
2 |
| Boehringer Ingelheim International GmbH | 4698 |
2 |
| Uop LLC | 4216 |
2 |
| Enanta Pharmaceuticals, Inc. | 428 |
2 |
| Ligand Pharmaceuticals Incorporated | 119 |
2 |
| Vettore, LLC | 14 |
2 |
| Chiral Quest (Suzhou) Co., Ltd. | 6 |
2 |
| Corteva Agriscience LLC | 2660 |
2 |
| Jiangxi Longlife Bio-Pharmaceutical Co., Ltd. | 3 |
2 |
| Bristol-myers Squibb Company | 4875 |
1 |
| Merck Sharp & Dohme Corp. | 2201 |
1 |
| Centre National de La Recherche Scientifique | 10350 |
1 |
| Bayer Cropscience AG | 2057 |
1 |
| Takeda Pharmaceutical Company Limited | 2708 |
1 |
| Arena Pharmaceuticals, Inc. | 367 |
1 |
| Arkema France | 4015 |
1 |
| Baylor University | 336 |
1 |
| China Petroleum & Chemical Corporation | 1874 |
1 |
| Grünenthal GmbH | 576 |
1 |
| Other owners | 17 |