- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 309/18 - Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member containing only hydrogen and carbon atoms in addition to the ring hetero atom
Patent holdings for IPC class C07D 309/18
Total number of patents in this class: 43
10-year publication summary
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2
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4
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2
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3
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5
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1
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5
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3
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1
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 4742 |
8 |
| BASF SE | 21303 |
4 |
| Givaudan SA | 1977 |
4 |
| International Flavors & Fragrances Inc. | 544 |
3 |
| V. Mane Fils | 175 |
3 |
| Bedoukian Research, Inc. | 99 |
2 |
| Lonza Ltd. | 586 |
2 |
| S H Kelkar and Company Limited | 28 |
2 |
| Massachusetts Institute of Technology | 10251 |
1 |
| The Trustees of Columbia University in the City of New York | 3644 |
1 |
| The Chinese University of Hong Kong | 764 |
1 |
| Jiangsu Hecheng Display Technology Co., Ltd. | 193 |
1 |
| The Lubrizol Corporation | 1249 |
1 |
| Oxford University Innovation Limited | 1663 |
1 |
| The Trustees of Boston College | 200 |
1 |
| University Court of The University of ST Andrews | 303 |
1 |
| The University of British Columbia | 1538 |
1 |
| Zeon Corporation | 4147 |
1 |
| Ecoxtraction, LLC | 1 |
1 |
| Taizhou University | 54 |
1 |
| Other owners | 3 |