- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 295/20 - Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms acylated on ring nitrogen atoms by radicals derived from carbonic acid, or sulfur or nitrogen analogues thereof
Patent holdings for IPC class C07D 295/20
Total number of patents in this class: 61
10-year publication summary
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2
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2
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0
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0
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0
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0
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0
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1
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1
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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
|
|---|---|---|
| Janssen Pharmaceutica N.V. | 3358 |
7 |
| FUJIFILM Corporation | 29839 |
3 |
| Astellas Pharma Inc. | 1057 |
3 |
| The Regents of the University of California | 20303 |
2 |
| Dainippon Sumitomo Pharma Co., Ltd. | 177 |
2 |
| Tosoh Corporation | 1340 |
2 |
| Vantage Biosciences Ltd. | 3 |
2 |
| Bristol-myers Squibb Company | 4826 |
1 |
| 3m Innovative Properties Company | 17719 |
1 |
| Boehringer Ingelheim International GmbH | 4636 |
1 |
| Boehringer Ingelheim Pharma GmbH & Co. Kg | 498 |
1 |
| The Board of Trustees of the Leland Stanford Junior University | 6541 |
1 |
| Dai Nippon Printing Co., Ltd. | 4145 |
1 |
| Showa Denko K.K. | 2174 |
1 |
| Mitsubishi Chemical Corporation | 4612 |
1 |
| Wako Pure Chemical Industries, Ltd. | 130 |
1 |
| Vertex Pharmaceuticals Incorporated | 1630 |
1 |
| Banyu Pharmaceutical Co., Ltd. | 52 |
1 |
| DAC S.r.l. | 11 |
1 |
| Daicel Corporation | 2411 |
1 |
| Other owners | 27 |