- 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: 85
10-year publication summary
|
6
|
2
|
3
|
3
|
4
|
5
|
1
|
3
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 10263 |
6 |
| The Board of Trustees of the University of Illinois | 2750 |
4 |
| Hamari Chemicals, Ltd. | 33 |
4 |
| Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences | 193 |
4 |
| Kaneka Corporation | 4693 |
3 |
| Indena S.p.A. | 599 |
2 |
| Kanto Kagaku Kabushiki Kaisha | 93 |
2 |
| Lonza Ltd. | 584 |
2 |
| Piramal Enterprises Limited | 151 |
2 |
| Quimica Sintetica, S.A. | 36 |
2 |
| Sun Pharmaceutical Industries Inc | 232 |
2 |
| University of Louisiana at Lafayette | 136 |
2 |
| Vistagen Therapeutics, Inc. | 38 |
2 |
| Zhejiang Medicine Co., Ltd. Xinchang Pharmaceutical Factory | 101 |
2 |
| Bausch Health Ireland Limited | 801 |
2 |
| INVISTA North America, LLC | 148 |
2 |
| INV Nylon Chemicals Americas, LLC | 201 |
2 |
| Carnitech LLC | 9 |
2 |
| Hubei Xujie Pharmaceutical Co., Ltd. | 8 |
2 |
| Janssen Pharmaceutica N.V. | 3171 |
1 |
| Other owners | 35 |