- All sections
- C - Chemistrymetallurgy
- C07F - Acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium
- C07F 9/6539 - Five-membered rings
Patent holdings for IPC class C07F 9/6539
Total number of patents in this class: 64
10-year publication summary
|
5
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8
|
1
|
5
|
2
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1
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1
|
3
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2
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4
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chevron Phillips Chemical Company LP | 1826 |
3 |
| Institute of Pharmacology and Toxicology Academy of Military Medical Sciences P.L.A. China | 185 |
3 |
| Samsung Display Co., Ltd. | 35171 |
2 |
| Sandoz AG | 1417 |
2 |
| Merck & Co., Inc. | 314 |
2 |
| Allergan, Inc. | 2337 |
2 |
| Centre National de La Recherche Scientifique | 10516 |
2 |
| Bayer Cropscience AG | 2018 |
2 |
| The Board of Trustees of the Leland Stanford Junior University | 6451 |
2 |
| Antecip Bioventures II LLC | 339 |
2 |
| College de France | 124 |
2 |
| Institut National de La Sante et de La Recherche Medicale (inserm) | 2886 |
2 |
| MethylGene Inc. | 40 |
2 |
| Nagasaki University | 205 |
2 |
| Navidea Biopharmaceuticals, Inc. | 64 |
2 |
| Quantum Genomics | 16 |
2 |
| The University of Sheffield | 328 |
2 |
| Auspherix Limited | 8 |
2 |
| The Regents of the University of Michigan | 4739 |
1 |
| The Johns Hopkins University | 5709 |
1 |
| Other owners | 24 |