- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 227/32 - Preparation of optical isomers by stereospecific synthesis
Patent holdings for IPC class C07C 227/32
Total number of patents in this class: 96
10-year publication summary
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5
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6
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2
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3
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3
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4
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5
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1
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3
|
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
|
|---|---|---|
| Novartis AG | 10726 |
6 |
| The Board of Trustees of the University of Illinois | 2711 |
4 |
| Hamari Chemicals, Ltd. | 32 |
4 |
| Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences | 174 |
4 |
| Kaneka Corporation | 4561 |
3 |
| Teva Pharmaceutical Industries Ltd. | 780 |
3 |
| Teva Pharmaceuticals USA, Inc. | 883 |
3 |
| API Corporation | 224 |
2 |
| Indena S.p.A. | 623 |
2 |
| Kanto Kagaku Kabushiki Kaisha | 87 |
2 |
| Lonza Ltd. | 613 |
2 |
| Piramal Enterprises Limited | 156 |
2 |
| Quimica Sintetica, S.A. | 35 |
2 |
| Sun Pharmaceutical Industries Inc | 218 |
2 |
| University of Louisiana at Lafayette | 138 |
2 |
| Vistagen Therapeutics, Inc. | 34 |
2 |
| Zhejiang Medicine Co., Ltd. Xinchang Pharmaceutical Factory | 99 |
2 |
| Zhejiang Changhai Pharmaceutical Co. Ltd. | 8 |
2 |
| Bausch Health Ireland Limited | 795 |
2 |
| INVISTA North America, LLC | 152 |
2 |
| Other owners | 43 |