- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 227/30 - Preparation of optical isomers
Patent holdings for IPC class C07C 227/30
Total number of patents in this class: 26
10-year publication summary
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0
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0
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1
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0
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1
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2
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0
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2
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hikal Limited | 55 |
2 |
| Indena S.p.A. | 624 |
2 |
| Carnitech LLC | 9 |
2 |
| Hubei Xujie Pharmaceutical Co., Ltd. | 8 |
2 |
| Janssen Pharmaceutica N.V. | 3349 |
1 |
| Mitsui Chemicals, Inc. | 3233 |
1 |
| Kaneka Corporation | 4600 |
1 |
| Central Glass Company, Limited | 1274 |
1 |
| Dainippon Sumitomo Pharma Co., Ltd. | 180 |
1 |
| Deretil, S.A. | 13 |
1 |
| Hamari Chemicals, Ltd. | 32 |
1 |
| Kowa Company, Ltd. | 1196 |
1 |
| Lundbeck NA Ltd. | 14 |
1 |
| Mitsubishi Gas Chemical Company, Inc. | 3494 |
1 |
| Nagase & Co., Ltd. | 225 |
1 |
| Okinawa Institute of Science and Technology School Corporation | 160 |
1 |
| Richmond Chemical Corporation | 6 |
1 |
| Teva Pharmaceutical Industries Ltd. | 760 |
1 |
| Teva Pharmaceuticals USA, Inc. | 846 |
1 |
| Universite de Bourgogne | 177 |
1 |
| Other owners | 2 |